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CVE-2026-74667 #18297
openeuler-ci-bot创建于  29 天前
openeuler-ci-bot
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29 天前 创建

一、漏洞信息
漏洞编号:CVE-2026-74667
漏洞归属组件:kernel
漏洞归属的版本:4.19.140,4.19.194,4.19.90,5.10.0,6.1.19,6.12.33,6.18.18,6.4.0,6.6.0
CVSS评分:
BaseScore:7.8 High
Vector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
漏洞简述:
In the Linux kernel, the following vulnerability has been resolved:net/packet: reset the MAC header on the packet-socket transmit pathpacket_parse_headers() resets the MAC header only for a SOCK_RAW framewhose socket did not bind a protocol. A protocol-bound SOCK_RAW socket,any SOCK_DGRAM frame, and the legacy SOCK_PACKET path therefore leaveskb->mac_header unset here.For frames sent via __dev_queue_xmit() this is harmless: it resets theMAC header unconditionally. But the packet-socket PACKET_QDISC_BYPASSpath uses dev_direct_xmit(), which does not, so the frame reachesndo_start_xmit() with the MAC header unset. A driver that readseth_hdr(skb) on transmit then dereferences skb->head + (u16)~0, anout-of-bounds access ~64 KiB past the head -- the same class fixed forone consumer in commit f5089008f90c ( macsec: do not read an unset MACheader in macsec_encrypt() ).packet_parse_headers() runs only on the transmit path, where skb->datapoints at the start of the L2 header for every packet-socket typeregardless of its length: SOCK_RAW and SOCK_PACKET carry a user-suppliedheader and SOCK_DGRAM has one built by dev_hard_header(). Reset the MACheader unconditionally, mirroring __dev_queue_xmit(), so the frame isanchored on the bypass path too.Found by 0sec (https://0sec.ai) using automated source analysis;verified against source and matched to the macsec KASAN report inf5089008f90c. Compile-tested.
漏洞公开时间:2026-08-23 00:16:40
漏洞创建时间:2026-08-23 02:36:56
漏洞详情参考链接:
https://nvd.nist.gov/vuln/detail/CVE-2026-74667

更多参考(点击展开)
参考来源 参考链接 来源链接
https://nvd.nist.gov/vuln/detail/CVE-2026-74667
https://lore.kernel.org/linux-cve-announce/2026082229-CVE-2026-74667-8fdf@gregkh/T
https://git.kernel.org/stable/c/b47ba8fe6e1d2df8c92048de5afafd059447dc30
https://git.kernel.org/stable/c/2610ed4e86a4590234a9d70518c469751c5af231
https://git.kernel.org/stable/c/1e43a1d66615f411d427f9df1f46dd049d9e3681
https://git.kernel.org/stable/c/284f3e7a3f1a743fdf89e304fd1f19d5ffcff46d
https://git.kernel.org/stable/c/fdd4d7d52358a58e351dd9d82530c04eba8ccd7a
https://git.kernel.org/stable/c/c2707480cfbf19c7619acc9c089d17f20869821f
https://bugzilla.redhat.com/show_bug.cgi?id=2521490
https://www.cve.org/CVERecord?id=CVE-2026-74667
https://lore.kernel.org/linux-cve-announce/2026082229-CVE-2026-74667-8fdf@gregkh/T/#u
https://git.kernel.org/stable/c/971aa7d99242bbf09513e27b7a243f0b29ff23ae
https://git.kernel.org/stable/c/4057853a91fb796c4f47c7d1baf1aa085394148e

漏洞分析指导链接:
https://atomgit.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
漏洞数据来源:
七彩瞬析开源风险感知平台
漏洞补丁信息:

详情(点击展开)
影响的包 修复版本 修复补丁 问题引入补丁 来源
gregkh/linux https://git.kernel.org/stable/c/1e43a1d66615f411d427f9df1f46dd049d9e3681 ljqc
gregkh/linux https://git.kernel.org/stable/c/4057853a91fb796c4f47c7d1baf1aa085394148e ljqc
gregkh/linux https://git.kernel.org/stable/c/2610ed4e86a4590234a9d70518c469751c5af231 ljqc
gregkh/linux https://git.kernel.org/stable/c/b47ba8fe6e1d2df8c92048de5afafd059447dc30 ljqc
gregkh/linux https://git.kernel.org/stable/c/284f3e7a3f1a743fdf89e304fd1f19d5ffcff46d ljqc
gregkh/linux https://git.kernel.org/stable/c/971aa7d99242bbf09513e27b7a243f0b29ff23ae ljqc
gregkh/linux https://git.kernel.org/stable/c/fdd4d7d52358a58e351dd9d82530c04eba8ccd7a ljqc
gregkh/linux https://git.kernel.org/stable/c/c2707480cfbf19c7619acc9c089d17f20869821f ljqc
https://git.kernel.org/stable/c/b47ba8fe6e1d2df8c92048de5afafd059447dc30 cvelistv5
https://git.kernel.org/stable/c/2610ed4e86a4590234a9d70518c469751c5af231 cvelistv5
https://git.kernel.org/stable/c/1e43a1d66615f411d427f9df1f46dd049d9e3681 cvelistv5
https://git.kernel.org/stable/c/284f3e7a3f1a743fdf89e304fd1f19d5ffcff46d cvelistv5
https://git.kernel.org/stable/c/fdd4d7d52358a58e351dd9d82530c04eba8ccd7a cvelistv5
https://git.kernel.org/stable/c/c2707480cfbf19c7619acc9c089d17f20869821f cvelistv5
https://git.kernel.org/stable/c/971aa7d99242bbf09513e27b7a243f0b29ff23ae cvelistv5
https://git.kernel.org/stable/c/4057853a91fb796c4f47c7d1baf1aa085394148e cvelistv5

二、漏洞分析结构反馈
影响性分析说明:
In the Linux kernel, the following vulnerability has been resolved:net/packet: reset the MAC header on the packet-socket transmit pathpacket_parse_headers() resets the MAC header only for a SOCK_RAW framewhose socket did not bind a protocol. A protocol-bound SOCK_RAW socket,any SOCK_DGRAM frame, and the legacy SOCK_PACKET path therefore leaveskb->mac_header unset here.For frames sent via __dev_queue_xmit() this is harmless: it resets theMAC header unconditionally. But the packet-socket PACKET_QDISC_BYPASSpath uses dev_direct_xmit(), which does not, so the frame reachesndo_start_xmit() with the MAC header unset. A driver that readseth_hdr(skb) on transmit then dereferences skb->head + (u16)~0, anout-of-bounds access ~64 KiB past the head -- the same class fixed forone consumer in commit f5089008f90c ("macsec: do not read an unset MACheader in macsec_encrypt()").packet_parse_headers() runs only on the transmit path, where skb->datapoints at the start of the L2 header for every packet-socket typeregardless of its length: SOCK_RAW and SOCK_PACKET carry a user-suppliedheader and SOCK_DGRAM has one built by dev_hard_header(). Reset the MACheader unconditionally, mirroring __dev_queue_xmit(), so the frame isanchored on the bypass path too.Found by 0sec (<ahref= https://0sec.ai >https://0sec.ai) using automated source analysis;verified against source and matched to the macsec KASAN report inf5089008f90c. Compile-tested.The Linux kernel CVE team has assigned CVE-2026-74667 to this issue.
openEuler评分:
7.8
Vector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
受影响版本排查(受影响/不受影响):
1.master(6.18.40):不受影响
2.openEuler-20.03-LTS-SP4(4.19.90):不受影响
3.openEuler-22.03-LTS-SP4(5.10.0):受影响
4.openEuler-24.03-LTS-Next(6.6.0):不受影响
5.openEuler-24.03-LTS-SP1(6.6.0):受影响
6.openEuler-24.03-LTS-SP3(6.6.0):受影响
7.openEuler-24.03-LTS-SP4(6.6.0):受影响
8.openEuler-22.03-LTS-SP3(5.10.0):受影响
9.openEuler-24.03-LTS(6.6.0):受影响
10.openEuler-24.03-LTS-SP2(6.6.0):受影响

修复是否涉及abi变化(是/否):
1.master(6.18.40):否
2.openEuler-20.03-LTS-SP4(4.19.90):否
3.openEuler-22.03-LTS-SP4(5.10.0):否
4.openEuler-24.03-LTS-Next(6.6.0):否
5.openEuler-24.03-LTS-SP1(6.6.0):否
6.openEuler-24.03-LTS-SP3(6.6.0):否
7.openEuler-24.03-LTS-SP4(6.6.0):否
8.openEuler-22.03-LTS-SP3(5.10.0):否
9.openEuler-24.03-LTS(6.6.0):否
10.openEuler-24.03-LTS-SP2(6.6.0):否

原因说明:
1.master(6.18.40):不受影响-漏洞代码不能被攻击者触发
2.openEuler-20.03-LTS-SP4(4.19.90):不受影响-漏洞代码不存在
3.openEuler-22.03-LTS-SP4(5.10.0):不修复-超出修复范围
4.openEuler-24.03-LTS-Next(6.6.0):不受影响-漏洞代码不能被攻击者触发
5.openEuler-24.03-LTS-SP1(6.6.0):正常修复
6.openEuler-24.03-LTS-SP3(6.6.0):正常修复
7.openEuler-24.03-LTS-SP4(6.6.0):正常修复
8.openEuler-22.03-LTS-SP3(5.10.0):不修复-超出修复范围
9.openEuler-24.03-LTS(6.6.0):不修复-超出修复范围
10.openEuler-24.03-LTS-SP2(6.6.0):不修复-超出修复范围

likedislike
openeuler-ci-botopeneuler-ci-bot成员
29 天前 添加了label:CVE/UNFIXED
openeuler-ci-bot
openeuler-ci-bot成员
29 天前 评论:

issue处理注意事项:
1. 提交正常修复分支的修复PR时,必须关联当前issue,否则无法关闭当前issue;
2. 模板内容需要填写完整, 无论是受影响或者不受影响都需要填写完整内容;
3. 以下为模板中需要填写完整的内容, 请复制到评论区回复;
注: 内容的关键词(影响性分析说明, openEuler评分, 受影响版本排查(受影响/不受影响), 修复是否涉及abi变化(是/否), 原因说明)不能省略,省略后cve-manager将无法正常解析填写内容.


影响性分析说明:

openEuler评分: (评分和向量)

受影响版本排查(受影响/不受影响):
1.master(6.18.40):
2.openEuler-20.03-LTS-SP4(4.19.90):
3.openEuler-22.03-LTS-SP4(5.10.0):
4.openEuler-24.03-LTS-Next(6.6.0):
5.openEuler-24.03-LTS-SP1(6.6.0):
6.openEuler-24.03-LTS-SP3(6.6.0):
7.openEuler-24.03-LTS-SP4(6.6.0):

修复是否涉及abi变化(是/否):
1.master(6.18.40):
2.openEuler-20.03-LTS-SP4(4.19.90):
3.openEuler-22.03-LTS-SP4(5.10.0):
4.openEuler-24.03-LTS-Next(6.6.0):
5.openEuler-24.03-LTS-SP1(6.6.0):
6.openEuler-24.03-LTS-SP3(6.6.0):
7.openEuler-24.03-LTS-SP4(6.6.0):

原因说明:
1.master(6.18.40):
2.openEuler-20.03-LTS-SP4(4.19.90):
3.openEuler-22.03-LTS-SP4(5.10.0):
4.openEuler-24.03-LTS-Next(6.6.0):
5.openEuler-24.03-LTS-SP1(6.6.0):
6.openEuler-24.03-LTS-SP3(6.6.0):
7.openEuler-24.03-LTS-SP4(6.6.0):


原因说明填写请参考下方表格(注意:版本是否受影响和版本的原因说明必须对应,例如master版本分支受影响,那原因说明只能是受影响对应的原因之一!):

分支状态
原因说明 使用场景
受影响 正常修复 受影响且需要修复(包含升级版本修复)的漏洞;
受影响且已经修复的漏洞(历史修复PR也需要关联issue);
若因特殊原因无法修复,应修改原因说明为【不修复-特殊原因】,并在安委会备案相关情况。
受影响 漏洞仍在分析中 已关注到相关漏洞,正在处理,未明确漏洞影响和修复方案。
受影响 暂不修复-暂无解决方案或补丁 当前没有可用的修复或补救措施。【影响性分析】中应包含有关为什么没有修复或补救措施的详细说明、上游相关PR等。
受影响 不修复-超出修复范围 没有漏洞的修复计划。当版本停维、软件包宣布生命周期终止或弃用使用。
受影响 不修复-特殊原因导致不再修复 如存在其他特殊情况不修复相关漏洞,或评估后无法升级修复,应在openEuler社区安全委员会例会进行说明备案。
【影响性分析】中应包含不发布修复的详细说明、特殊情况还应有安委会会议纪要。
不受影响 不受影响-组件不存在 软件不受影响,因为易受攻击的组件不在产品中。
不受影响 不受影响-已有内置的内联控制或缓解措施 内置的内联控制或缓解措施可防止攻击者利用漏洞
不受影响 不受影响-漏洞代码不能被攻击者触发 易受攻击的组件存在,并且该组件包含易受攻击的代码。但是,易受攻击的代码的使用方式使得攻击者无法进行任何预期的攻击。
不受影响 不受影响-漏洞代码不在执行路径 易受影响的代码在执行过程中不可访问,包括产品的非预期状态。产品不使用也不执行的组件。
不受影响 不受影响-漏洞代码不存在 产品不受影响,因为漏洞背后的代码在产品中不存在。与component_not_present不同的是,有问题的组件存在,但由于某种原因(例如安全的编译器选项)使漏洞的特定代码不存在于组件中。

issue处理具体操作请参考:
https://atomgit.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
pr关联issue具体操作请参考:
https://docs.atomgit.com/docs/help/home/org_project/pullrequests/pr-related-issue

likedislike
devstation-robot
devstation-robot
29 天前 评论:

检测到新建 CVE Issue,CVE-ID: CVE-2026-74667

你可以通过以下两种方式使用 CVE 修复服务:

  1. 分支影响分析

    • 在本 Issue 下评论:/analysis_branches
    • 系统将自动分析各个分支是否受影响,并在本 Issue 下给出表格形式的分析结果;
  2. 在指定分支上创建 PR(修复提交)

    • 在本 Issue 下按如下格式评论(branchnameemail 为必填字段,每个字段单独一行):
/create_pr

branch: OLK-6.6 OLK-5.10
name: dev
email: dev@devstation.com
backport-engine: opencode
  • 说明:
    • branch: 需要创建 PR 的目标分支列表,例如 OLK-6.6 OLK-5.10
    • name: PR 签名人姓名(如责任人或安全负责人);
    • email: PR 签名人邮箱;
    • backport-engine(可选):可选 portgptmystiqueopencode;不填时默认使用 portgpt,建议使用 opencode

系统会根据上述信息自动在指定分支上创建 PR,并在本 Issue 下反馈结果。

provided by DevStation.

likedislike
openeuler-ci-bot
openeuler-ci-bot成员
29 天前 评论:
参考网址 关联pr 状态 补丁链接
https://www.opencve.io/cve/CVE-2026-74667NoneNonehttps://git.kernel.org/stable/c/2610ed4e86a4590234a9d70518c469751c5af231
https://git.kernel.org/stable/c/284f3e7a3f1a743fdf89e304fd1f19d5ffcff46d
https://git.kernel.org/stable/c/1e43a1d66615f411d427f9df1f46dd049d9e3681
https://git.kernel.org/stable/c/971aa7d99242bbf09513e27b7a243f0b29ff23ae
https://git.kernel.org/stable/c/4057853a91fb796c4f47c7d1baf1aa085394148e
https://git.kernel.org/stable/c/fdd4d7d52358a58e351dd9d82530c04eba8ccd7a
https://git.kernel.org/stable/c/c2707480cfbf19c7619acc9c089d17f20869821f
https://git.kernel.org/stable/c/b47ba8fe6e1d2df8c92048de5afafd059447dc30
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2026-74667
https://security-tracker.debian.org/tracker/CVE-2026-74667
http://www.cnnvd.org.cn/web/vulnerability/queryLds.tag?qcvCnnvdid=CVE-2026-74667
https://nvd.nist.gov/vuln/detail/CVE-2026-74667NoneNonehttps://git.kernel.org/stable/c/2610ed4e86a4590234a9d70518c469751c5af231
https://git.kernel.org/stable/c/284f3e7a3f1a743fdf89e304fd1f19d5ffcff46d
https://git.kernel.org/stable/c/1e43a1d66615f411d427f9df1f46dd049d9e3681
https://git.kernel.org/stable/c/971aa7d99242bbf09513e27b7a243f0b29ff23ae
https://git.kernel.org/stable/c/4057853a91fb796c4f47c7d1baf1aa085394148e
https://git.kernel.org/stable/c/fdd4d7d52358a58e351dd9d82530c04eba8ccd7a
https://git.kernel.org/stable/c/c2707480cfbf19c7619acc9c089d17f20869821f
https://git.kernel.org/stable/c/b47ba8fe6e1d2df8c92048de5afafd059447dc30
https://ubuntu.com/security/CVE-2026-74667NoneNonehttps://discourse.ubuntu.com/c/project

说明:补丁链接仅供初步排查参考,实际可用性请人工再次确认,补丁下载验证可使用CVE补丁工具
若补丁不准确,烦请在此issue下评论 '/report-patch 参考网址 补丁链接1,补丁链接2' 反馈正确信息,便于我们不断优化工具,不胜感激。
如 /report-patch https://security-tracker.debian.org/tracker/CVE-2021-3997 https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1

likedislike
openeuler-ci-botopeneuler-ci-bot成员
29 天前 添加了label:sig/Kernel
openeuler-ci-bot
openeuler-ci-bot成员
29 天前 评论:

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likedislike
openeuler-ci-botopeneuler-ci-bot成员
29 天前 修改了issue 的描述
openeuler-ci-botopeneuler-ci-bot成员
28 天前 修改了issue 的描述
hulk-ci-bot成员
28 天前 评论:

CVE-2026-74667

影响性分析说明:
In the Linux kernel, the following vulnerability has been resolved:

net/packet: reset the MAC header on the packet-socket transmit path

packet_parse_headers() resets the MAC header only for a SOCK_RAW frame
whose socket did not bind a protocol. A protocol-bound SOCK_RAW socket,
any SOCK_DGRAM frame, and the legacy SOCK_PACKET path therefore leave
skb->mac_header unset here.

For frames sent via __dev_queue_xmit() this is harmless: it resets the
MAC header unconditionally. But the packet-socket PACKET_QDISC_BYPASS
path uses dev_direct_xmit(), which does not, so the frame reaches
ndo_start_xmit() with the MAC header unset. A driver that reads
eth_hdr(skb) on transmit then dereferences skb->head + (u16)~0, an
out-of-bounds access ~64 KiB past the head -- the same class fixed for
one consumer in commit f5089008f90c ("macsec: do not read an unset MAC
header in macsec_encrypt()").

packet_parse_headers() runs only on the transmit path, where skb->data
points at the start of the L2 header for every packet-socket type
regardless of its length: SOCK_RAW and SOCK_PACKET carry a user-supplied
header and SOCK_DGRAM has one built by dev_hard_header(). Reset the MAC
header unconditionally, mirroring __dev_queue_xmit(), so the frame is
anchored on the bypass path too.

Found by 0sec (https://0sec.ai) using automated source analysis;
verified against source and matched to the macsec KASAN report in
f5089008f90c. Compile-tested.

The Linux kernel CVE team has assigned CVE-2026-74667 to this issue.

openEuler评分:(评分和向量)
3.9
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L

受影响版本排查(受影响/不受影响):
1.master:不受影响
2.openEuler-20.03-LTS-SP4:受影响
3.openEuler-22.03-LTS-SP3:受影响
4.openEuler-22.03-LTS-SP4:受影响
5.openEuler-24.03-LTS:受影响
6.openEuler-24.03-LTS-Next:不受影响
7.openEuler-24.03-LTS-SP1:受影响
8.openEuler-24.03-LTS-SP2:受影响
9.openEuler-24.03-LTS-SP3:受影响
10.openEuler-24.03-LTS-SP4:受影响

修复是否涉及abi变化(是/否):
1.master:否
2.openEuler-20.03-LTS-SP4:否
3.openEuler-22.03-LTS-SP3:否
4.openEuler-22.03-LTS-SP4:否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-24.03-LTS-SP1:否
8.openEuler-24.03-LTS-SP2:否
9.openEuler-24.03-LTS-SP3:否
10.openEuler-24.03-LTS-SP4:否

原因说明:
1.master:不受影响-漏洞代码不能被攻击者触发
2.openEuler-20.03-LTS-SP4:暂不修复-漏洞仍在分析中
3.openEuler-22.03-LTS-SP3:不修复-超出修复范围
4.openEuler-22.03-LTS-SP4:暂不修复-漏洞仍在分析中
5.openEuler-24.03-LTS:不修复-超出修复范围
6.openEuler-24.03-LTS-Next:不受影响-漏洞代码不能被攻击者触发
7.openEuler-24.03-LTS-SP1:暂不修复-漏洞仍在分析中
8.openEuler-24.03-LTS-SP2:不修复-超出修复范围
9.openEuler-24.03-LTS-SP3:暂不修复-漏洞仍在分析中
10.openEuler-24.03-LTS-SP4:暂不修复-漏洞仍在分析中

likedislike
openeuler-ci-botopeneuler-ci-bot成员
28 天前 修改了issue 的描述
openeuler-ci-bot
openeuler-ci-bot成员
28 天前 评论:

@yeweihua999 经过 cve-manager 解析, 已分析的内容如下表所示:

状态 分析项目 内容
已分析 1.影响性分析说明 In the Linux kernel, the following vulnerability has been resolved:net/packet: reset the MAC header on the packet-socket transmit pathpacket_parse_headers() resets the MAC header only for a SOCK_RAW framewhose socket did not bind a protocol. A protocol-bound SOCK_RAW socket,any SOCK_DGRAM frame, and the legacy SOCK_PACKET path therefore leaveskb->mac_header unset here.For frames sent via __dev_queue_xmit() this is harmless: it resets theMAC header unconditionally. But the packet-socket PACKET_QDISC_BYPASSpath uses dev_direct_xmit(), which does not, so the frame reachesndo_start_xmit() with the MAC header unset. A driver that readseth_hdr(skb) on transmit then dereferences skb->head + (u16)~0, anout-of-bounds access ~64 KiB past the head -- the same class fixed forone consumer in commit f5089008f90c ("macsec: do not read an unset MACheader in macsec_encrypt()").packet_parse_headers() runs only on the transmit path, where skb->datapoints at the start of the L2 header for every packet-socket typeregardless of its length: SOCK_RAW and SOCK_PACKET carry a user-suppliedheader and SOCK_DGRAM has one built by dev_hard_header(). Reset the MACheader unconditionally, mirroring __dev_queue_xmit(), so the frame isanchored on the bypass path too.Found by 0sec (<ahref="https://0sec.ai">https://0sec.ai) using automated source analysis;verified against source and matched to the macsec KASAN report inf5089008f90c. Compile-tested.The Linux kernel CVE team has assigned CVE-2026-74667 to this issue.
已分析 2.openEulerScore 3.9
已分析 3.openEulerVector AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
已分析 4.受影响版本排查 master:不受影响,openEuler-20.03-LTS-SP4:受影响,openEuler-22.03-LTS-SP4:受影响,openEuler-24.03-LTS-Next:不受影响,openEuler-24.03-LTS-SP1:受影响,openEuler-24.03-LTS-SP3:受影响,openEuler-24.03-LTS-SP4:受影响,openEuler-22.03-LTS-SP3:受影响,openEuler-24.03-LTS:受影响,openEuler-24.03-LTS-SP2:受影响
已分析 5.是否涉及abi变化 master:否,openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP4:否,openEuler-24.03-LTS-Next:否,openEuler-24.03-LTS-SP1:否,openEuler-24.03-LTS-SP3:否,openEuler-24.03-LTS-SP4:否,openEuler-22.03-LTS-SP3:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-SP2:否
已分析 6.原因说明 master:不受影响-漏洞代码不能被攻击者触发,openEuler-20.03-LTS-SP4:漏洞仍在分析中,openEuler-22.03-LTS-SP4:漏洞仍在分析中,openEuler-24.03-LTS-Next:不受影响-漏洞代码不能被攻击者触发,openEuler-24.03-LTS-SP1:漏洞仍在分析中,openEuler-24.03-LTS-SP3:漏洞仍在分析中,openEuler-24.03-LTS-SP4:漏洞仍在分析中,openEuler-22.03-LTS-SP3:不修复-超出修复范围,openEuler-24.03-LTS:不修复-超出修复范围,openEuler-24.03-LTS-SP2:不修复-超出修复范围

请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.

likedislike
openeuler-ci-botopeneuler-ci-bot成员
28 天前 issue状态由 待办的 改变为 进行中
openeuler-ci-botopeneuler-ci-bot成员
28 天前 修改了issue 的描述
openeuler-ci-botopeneuler-ci-bot成员
26 天前 修改了issue 的描述
openeuler-ci-botopeneuler-ci-bot成员
26 天前 修改了issue 的描述
Zzhangxiaoxu
26 天前 关联了pull request:[OLK-6.6] Fix CVE-2026-74667
hulk-ci-bot成员
25 天前 评论:

openEuler评分:(评分和向量)
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

likedislike
openeuler-ci-botopeneuler-ci-bot成员
25 天前 修改了issue 的描述
openeuler-ci-bot
openeuler-ci-bot成员
25 天前 评论:

@yeweihua999 经过 cve-manager 解析, 已分析的内容如下表所示:

状态 分析项目 内容
已分析 1.影响性分析说明 In the Linux kernel, the following vulnerability has been resolved:net/packet: reset the MAC header on the packet-socket transmit pathpacket_parse_headers() resets the MAC header only for a SOCK_RAW framewhose socket did not bind a protocol. A protocol-bound SOCK_RAW socket,any SOCK_DGRAM frame, and the legacy SOCK_PACKET path therefore leaveskb->mac_header unset here.For frames sent via __dev_queue_xmit() this is harmless: it resets theMAC header unconditionally. But the packet-socket PACKET_QDISC_BYPASSpath uses dev_direct_xmit(), which does not, so the frame reachesndo_start_xmit() with the MAC header unset. A driver that readseth_hdr(skb) on transmit then dereferences skb->head + (u16)~0, anout-of-bounds access ~64 KiB past the head -- the same class fixed forone consumer in commit f5089008f90c ("macsec: do not read an unset MACheader in macsec_encrypt()").packet_parse_headers() runs only on the transmit path, where skb->datapoints at the start of the L2 header for every packet-socket typeregardless of its length: SOCK_RAW and SOCK_PACKET carry a user-suppliedheader and SOCK_DGRAM has one built by dev_hard_header(). Reset the MACheader unconditionally, mirroring __dev_queue_xmit(), so the frame isanchored on the bypass path too.Found by 0sec (<ahref="https://0sec.ai">https://0sec.ai) using automated source analysis;verified against source and matched to the macsec KASAN report inf5089008f90c. Compile-tested.The Linux kernel CVE team has assigned CVE-2026-74667 to this issue.
已分析 2.openEulerScore 7.8
已分析 3.openEulerVector AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
已分析 4.受影响版本排查 master:不受影响,openEuler-20.03-LTS-SP4:受影响,openEuler-22.03-LTS-SP4:受影响,openEuler-24.03-LTS-Next:不受影响,openEuler-24.03-LTS-SP1:受影响,openEuler-24.03-LTS-SP3:受影响,openEuler-24.03-LTS-SP4:受影响,openEuler-22.03-LTS-SP3:受影响,openEuler-24.03-LTS:受影响,openEuler-24.03-LTS-SP2:受影响
已分析 5.是否涉及abi变化 master:否,openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP4:否,openEuler-24.03-LTS-Next:否,openEuler-24.03-LTS-SP1:否,openEuler-24.03-LTS-SP3:否,openEuler-24.03-LTS-SP4:否,openEuler-22.03-LTS-SP3:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-SP2:否
已分析 6.原因说明 master:不受影响-漏洞代码不能被攻击者触发,openEuler-20.03-LTS-SP4:漏洞仍在分析中,openEuler-22.03-LTS-SP4:漏洞仍在分析中,openEuler-24.03-LTS-Next:不受影响-漏洞代码不能被攻击者触发,openEuler-24.03-LTS-SP1:漏洞仍在分析中,openEuler-24.03-LTS-SP3:漏洞仍在分析中,openEuler-24.03-LTS-SP4:漏洞仍在分析中,openEuler-22.03-LTS-SP3:不修复-超出修复范围,openEuler-24.03-LTS:不修复-超出修复范围,openEuler-24.03-LTS-SP2:不修复-超出修复范围

请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.

likedislike
hulk-ci-bot成员
25 天前 评论:

CVE-2026-74667

影响性分析说明:
In the Linux kernel, the following vulnerability has been resolved:

net/packet: reset the MAC header on the packet-socket transmit path

packet_parse_headers() resets the MAC header only for a SOCK_RAW frame
whose socket did not bind a protocol. A protocol-bound SOCK_RAW socket,
any SOCK_DGRAM frame, and the legacy SOCK_PACKET path therefore leave
skb->mac_header unset here.

For frames sent via __dev_queue_xmit() this is harmless: it resets the
MAC header unconditionally. But the packet-socket PACKET_QDISC_BYPASS
path uses dev_direct_xmit(), which does not, so the frame reaches
ndo_start_xmit() with the MAC header unset. A driver that reads
eth_hdr(skb) on transmit then dereferences skb->head + (u16)~0, an
out-of-bounds access ~64 KiB past the head -- the same class fixed for
one consumer in commit f5089008f90c ("macsec: do not read an unset MAC
header in macsec_encrypt()").

packet_parse_headers() runs only on the transmit path, where skb->data
points at the start of the L2 header for every packet-socket type
regardless of its length: SOCK_RAW and SOCK_PACKET carry a user-supplied
header and SOCK_DGRAM has one built by dev_hard_header(). Reset the MAC
header unconditionally, mirroring __dev_queue_xmit(), so the frame is
anchored on the bypass path too.

Found by 0sec (https://0sec.ai) using automated source analysis;
verified against source and matched to the macsec KASAN report in
f5089008f90c. Compile-tested.

The Linux kernel CVE team has assigned CVE-2026-74667 to this issue.

openEuler评分:(评分和向量)
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

受影响版本排查(受影响/不受影响):
1.master:不受影响
2.openEuler-20.03-LTS-SP4:不受影响
3.openEuler-22.03-LTS-SP3:受影响
4.openEuler-22.03-LTS-SP4:受影响
5.openEuler-24.03-LTS:受影响
6.openEuler-24.03-LTS-Next:不受影响
7.openEuler-24.03-LTS-SP1:受影响
8.openEuler-24.03-LTS-SP2:受影响
9.openEuler-24.03-LTS-SP3:受影响
10.openEuler-24.03-LTS-SP4:受影响

修复是否涉及abi变化(是/否):
1.master:否
2.openEuler-20.03-LTS-SP4:否
3.openEuler-22.03-LTS-SP3:否
4.openEuler-22.03-LTS-SP4:否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-24.03-LTS-SP1:否
8.openEuler-24.03-LTS-SP2:否
9.openEuler-24.03-LTS-SP3:否
10.openEuler-24.03-LTS-SP4:否

原因说明:
1.master:不受影响-漏洞代码不能被攻击者触发
2.openEuler-20.03-LTS-SP4:不受影响-漏洞代码不存在
3.openEuler-22.03-LTS-SP3:不修复-超出修复范围
4.openEuler-22.03-LTS-SP4:不修复-超出修复范围
5.openEuler-24.03-LTS:不修复-超出修复范围
6.openEuler-24.03-LTS-Next:不受影响-漏洞代码不能被攻击者触发
7.openEuler-24.03-LTS-SP1:暂不修复-漏洞仍在分析中
8.openEuler-24.03-LTS-SP2:不修复-超出修复范围
9.openEuler-24.03-LTS-SP3:暂不修复-漏洞仍在分析中
10.openEuler-24.03-LTS-SP4:暂不修复-漏洞仍在分析中

likedislike
openeuler-ci-botopeneuler-ci-bot成员
25 天前 修改了issue 的描述
openeuler-ci-bot
openeuler-ci-bot成员
25 天前 评论:

@gitee-cmd, @zhujianwei001, @luoyukai, @kylincuilei, @tanjingguo, @tangjie, @mailofzxf, @zeng-wei2000, @Sam-Luo The CVE score needs to be reviewed (the review instruction /approve or /reject means agreement and rejection).

likedislike
hulk-ci-bot成员
25 天前 评论:

CVE-2026-74667

影响性分析说明:
In the Linux kernel, the following vulnerability has been resolved:

net/packet: reset the MAC header on the packet-socket transmit path

packet_parse_headers() resets the MAC header only for a SOCK_RAW frame
whose socket did not bind a protocol. A protocol-bound SOCK_RAW socket,
any SOCK_DGRAM frame, and the legacy SOCK_PACKET path therefore leave
skb->mac_header unset here.

For frames sent via __dev_queue_xmit() this is harmless: it resets the
MAC header unconditionally. But the packet-socket PACKET_QDISC_BYPASS
path uses dev_direct_xmit(), which does not, so the frame reaches
ndo_start_xmit() with the MAC header unset. A driver that reads
eth_hdr(skb) on transmit then dereferences skb->head + (u16)~0, an
out-of-bounds access ~64 KiB past the head -- the same class fixed for
one consumer in commit f5089008f90c ("macsec: do not read an unset MAC
header in macsec_encrypt()").

packet_parse_headers() runs only on the transmit path, where skb->data
points at the start of the L2 header for every packet-socket type
regardless of its length: SOCK_RAW and SOCK_PACKET carry a user-supplied
header and SOCK_DGRAM has one built by dev_hard_header(). Reset the MAC
header unconditionally, mirroring __dev_queue_xmit(), so the frame is
anchored on the bypass path too.

Found by 0sec (https://0sec.ai) using automated source analysis;
verified against source and matched to the macsec KASAN report in
f5089008f90c. Compile-tested.

The Linux kernel CVE team has assigned CVE-2026-74667 to this issue.

openEuler评分:(评分和向量)
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

受影响版本排查(受影响/不受影响):
1.master:不受影响
2.openEuler-20.03-LTS-SP4:不受影响
3.openEuler-22.03-LTS-SP3:受影响
4.openEuler-22.03-LTS-SP4:受影响
5.openEuler-24.03-LTS:受影响
6.openEuler-24.03-LTS-Next:不受影响
7.openEuler-24.03-LTS-SP1:受影响
8.openEuler-24.03-LTS-SP2:受影响
9.openEuler-24.03-LTS-SP3:受影响
10.openEuler-24.03-LTS-SP4:受影响

修复是否涉及abi变化(是/否):
1.master:否
2.openEuler-20.03-LTS-SP4:否
3.openEuler-22.03-LTS-SP3:否
4.openEuler-22.03-LTS-SP4:否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-24.03-LTS-SP1:否
8.openEuler-24.03-LTS-SP2:否
9.openEuler-24.03-LTS-SP3:否
10.openEuler-24.03-LTS-SP4:否

原因说明:
1.master:不受影响-漏洞代码不能被攻击者触发
2.openEuler-20.03-LTS-SP4:不受影响-漏洞代码不存在
3.openEuler-22.03-LTS-SP3:不修复-超出修复范围
4.openEuler-22.03-LTS-SP4:不修复-超出修复范围
5.openEuler-24.03-LTS:不修复-超出修复范围
6.openEuler-24.03-LTS-Next:不受影响-漏洞代码不能被攻击者触发
7.openEuler-24.03-LTS-SP1:暂不修复-漏洞仍在分析中
8.openEuler-24.03-LTS-SP2:不修复-超出修复范围
9.openEuler-24.03-LTS-SP3:暂不修复-漏洞仍在分析中
10.openEuler-24.03-LTS-SP4:暂不修复-漏洞仍在分析中

likedislike
openeuler-ci-bot
openeuler-ci-bot成员
25 天前 评论:

@hulk-ci-bot ,请给出NVD评分和openEuler评分不一致的理由

likedislike
openeuler-ci-bot
openeuler-ci-bot成员
25 天前 评论:

@gitee-cmd, @zhujianwei001, @luoyukai, @kylincuilei, @tanjingguo, @tangjie, @mailofzxf, @zeng-wei2000, @Sam-Luo The CVE score needs to be reviewed (the review instruction /approve or /reject means agreement and rejection).

likedislike
openeuler-ci-bot
openeuler-ci-bot成员
25 天前 评论:

@hulk-ci-bot ,请给出NVD评分和openEuler评分不一致的理由

likedislike
hulk-ci-bot成员
23 天前 评论:

CVE-2026-74667

影响性分析说明:
In the Linux kernel, the following vulnerability has been resolved:

net/packet: reset the MAC header on the packet-socket transmit path

packet_parse_headers() resets the MAC header only for a SOCK_RAW frame
whose socket did not bind a protocol. A protocol-bound SOCK_RAW socket,
any SOCK_DGRAM frame, and the legacy SOCK_PACKET path therefore leave
skb->mac_header unset here.

For frames sent via __dev_queue_xmit() this is harmless: it resets the
MAC header unconditionally. But the packet-socket PACKET_QDISC_BYPASS
path uses dev_direct_xmit(), which does not, so the frame reaches
ndo_start_xmit() with the MAC header unset. A driver that reads
eth_hdr(skb) on transmit then dereferences skb->head + (u16)~0, an
out-of-bounds access ~64 KiB past the head -- the same class fixed for
one consumer in commit f5089008f90c ("macsec: do not read an unset MAC
header in macsec_encrypt()").

packet_parse_headers() runs only on the transmit path, where skb->data
points at the start of the L2 header for every packet-socket type
regardless of its length: SOCK_RAW and SOCK_PACKET carry a user-supplied
header and SOCK_DGRAM has one built by dev_hard_header(). Reset the MAC
header unconditionally, mirroring __dev_queue_xmit(), so the frame is
anchored on the bypass path too.

Found by 0sec (https://0sec.ai) using automated source analysis;
verified against source and matched to the macsec KASAN report in
f5089008f90c. Compile-tested.

The Linux kernel CVE team has assigned CVE-2026-74667 to this issue.

openEuler评分:(评分和向量)
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

受影响版本排查(受影响/不受影响):
1.master:不受影响
2.openEuler-20.03-LTS-SP4:不受影响
3.openEuler-22.03-LTS-SP3:受影响
4.openEuler-22.03-LTS-SP4:受影响
5.openEuler-24.03-LTS:受影响
6.openEuler-24.03-LTS-Next:不受影响
7.openEuler-24.03-LTS-SP1:受影响
8.openEuler-24.03-LTS-SP2:受影响
9.openEuler-24.03-LTS-SP3:受影响
10.openEuler-24.03-LTS-SP4:受影响

修复是否涉及abi变化(是/否):
1.master:否
2.openEuler-20.03-LTS-SP4:否
3.openEuler-22.03-LTS-SP3:否
4.openEuler-22.03-LTS-SP4:否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-24.03-LTS-SP1:否
8.openEuler-24.03-LTS-SP2:否
9.openEuler-24.03-LTS-SP3:否
10.openEuler-24.03-LTS-SP4:否

原因说明:
1.master:不受影响-漏洞代码不能被攻击者触发
2.openEuler-20.03-LTS-SP4:不受影响-漏洞代码不存在
3.openEuler-22.03-LTS-SP3:不修复-超出修复范围
4.openEuler-22.03-LTS-SP4:不修复-超出修复范围
5.openEuler-24.03-LTS:不修复-超出修复范围
6.openEuler-24.03-LTS-Next:不受影响-漏洞代码不能被攻击者触发
7.openEuler-24.03-LTS-SP1:暂不修复-漏洞仍在分析中
8.openEuler-24.03-LTS-SP2:不修复-超出修复范围
9.openEuler-24.03-LTS-SP3:暂不修复-漏洞仍在分析中
10.openEuler-24.03-LTS-SP4:暂不修复-漏洞仍在分析中

likedislike
openeuler-ci-botopeneuler-ci-bot成员
23 天前 修改了issue 的描述
openeuler-ci-bot
openeuler-ci-bot成员
23 天前 评论:

@yeweihua999 经过 cve-manager 解析, 已分析的内容如下表所示:

状态 分析项目 内容
已分析 1.影响性分析说明 In the Linux kernel, the following vulnerability has been resolved:net/packet: reset the MAC header on the packet-socket transmit pathpacket_parse_headers() resets the MAC header only for a SOCK_RAW framewhose socket did not bind a protocol. A protocol-bound SOCK_RAW socket,any SOCK_DGRAM frame, and the legacy SOCK_PACKET path therefore leaveskb->mac_header unset here.For frames sent via __dev_queue_xmit() this is harmless: it resets theMAC header unconditionally. But the packet-socket PACKET_QDISC_BYPASSpath uses dev_direct_xmit(), which does not, so the frame reachesndo_start_xmit() with the MAC header unset. A driver that readseth_hdr(skb) on transmit then dereferences skb->head + (u16)~0, anout-of-bounds access ~64 KiB past the head -- the same class fixed forone consumer in commit f5089008f90c ("macsec: do not read an unset MACheader in macsec_encrypt()").packet_parse_headers() runs only on the transmit path, where skb->datapoints at the start of the L2 header for every packet-socket typeregardless of its length: SOCK_RAW and SOCK_PACKET carry a user-suppliedheader and SOCK_DGRAM has one built by dev_hard_header(). Reset the MACheader unconditionally, mirroring __dev_queue_xmit(), so the frame isanchored on the bypass path too.Found by 0sec (<ahref="https://0sec.ai">https://0sec.ai) using automated source analysis;verified against source and matched to the macsec KASAN report inf5089008f90c. Compile-tested.The Linux kernel CVE team has assigned CVE-2026-74667 to this issue.
已分析 2.openEulerScore 7.8
已分析 3.openEulerVector AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
已分析 4.受影响版本排查 master:不受影响,openEuler-20.03-LTS-SP4:不受影响,openEuler-22.03-LTS-SP4:受影响,openEuler-24.03-LTS-Next:不受影响,openEuler-24.03-LTS-SP1:受影响,openEuler-24.03-LTS-SP3:受影响,openEuler-24.03-LTS-SP4:受影响,openEuler-22.03-LTS-SP3:受影响,openEuler-24.03-LTS:受影响,openEuler-24.03-LTS-SP2:受影响
已分析 5.是否涉及abi变化 master:否,openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP4:否,openEuler-24.03-LTS-Next:否,openEuler-24.03-LTS-SP1:否,openEuler-24.03-LTS-SP3:否,openEuler-24.03-LTS-SP4:否,openEuler-22.03-LTS-SP3:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-SP2:否
已分析 6.原因说明 master:不受影响-漏洞代码不能被攻击者触发,openEuler-20.03-LTS-SP4:不受影响-漏洞代码不存在,openEuler-22.03-LTS-SP4:不修复-超出修复范围,openEuler-24.03-LTS-Next:不受影响-漏洞代码不能被攻击者触发,openEuler-24.03-LTS-SP1:漏洞仍在分析中,openEuler-24.03-LTS-SP3:漏洞仍在分析中,openEuler-24.03-LTS-SP4:漏洞仍在分析中,openEuler-22.03-LTS-SP3:不修复-超出修复范围,openEuler-24.03-LTS:不修复-超出修复范围,openEuler-24.03-LTS-SP2:不修复-超出修复范围

请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.

likedislike
openeuler-ci-botopeneuler-ci-bot成员
23 天前 关闭了 issue
openeuler-ci-botopeneuler-ci-bot成员
23 天前 重新打开了 issue
hulk-ci-bot成员
23 天前 评论:

CVE-2026-74667

影响性分析说明:
In the Linux kernel, the following vulnerability has been resolved:

net/packet: reset the MAC header on the packet-socket transmit path

packet_parse_headers() resets the MAC header only for a SOCK_RAW frame
whose socket did not bind a protocol. A protocol-bound SOCK_RAW socket,
any SOCK_DGRAM frame, and the legacy SOCK_PACKET path therefore leave
skb->mac_header unset here.

For frames sent via __dev_queue_xmit() this is harmless: it resets the
MAC header unconditionally. But the packet-socket PACKET_QDISC_BYPASS
path uses dev_direct_xmit(), which does not, so the frame reaches
ndo_start_xmit() with the MAC header unset. A driver that reads
eth_hdr(skb) on transmit then dereferences skb->head + (u16)~0, an
out-of-bounds access ~64 KiB past the head -- the same class fixed for
one consumer in commit f5089008f90c ("macsec: do not read an unset MAC
header in macsec_encrypt()").

packet_parse_headers() runs only on the transmit path, where skb->data
points at the start of the L2 header for every packet-socket type
regardless of its length: SOCK_RAW and SOCK_PACKET carry a user-supplied
header and SOCK_DGRAM has one built by dev_hard_header(). Reset the MAC
header unconditionally, mirroring __dev_queue_xmit(), so the frame is
anchored on the bypass path too.

Found by 0sec (https://0sec.ai) using automated source analysis;
verified against source and matched to the macsec KASAN report in
f5089008f90c. Compile-tested.

The Linux kernel CVE team has assigned CVE-2026-74667 to this issue.

openEuler评分:(评分和向量)
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

受影响版本排查(受影响/不受影响):
1.master:不受影响
2.openEuler-20.03-LTS-SP4:不受影响
3.openEuler-22.03-LTS-SP3:受影响
4.openEuler-22.03-LTS-SP4:受影响
5.openEuler-24.03-LTS:受影响
6.openEuler-24.03-LTS-Next:不受影响
7.openEuler-24.03-LTS-SP1:受影响
8.openEuler-24.03-LTS-SP2:受影响
9.openEuler-24.03-LTS-SP3:受影响
10.openEuler-24.03-LTS-SP4:受影响

修复是否涉及abi变化(是/否):
1.master:否
2.openEuler-20.03-LTS-SP4:否
3.openEuler-22.03-LTS-SP3:否
4.openEuler-22.03-LTS-SP4:否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-24.03-LTS-SP1:否
8.openEuler-24.03-LTS-SP2:否
9.openEuler-24.03-LTS-SP3:否
10.openEuler-24.03-LTS-SP4:否

原因说明:
1.master:不受影响-漏洞代码不能被攻击者触发
2.openEuler-20.03-LTS-SP4:不受影响-漏洞代码不存在
3.openEuler-22.03-LTS-SP3:不修复-超出修复范围
4.openEuler-22.03-LTS-SP4:不修复-超出修复范围
5.openEuler-24.03-LTS:不修复-超出修复范围
6.openEuler-24.03-LTS-Next:不受影响-漏洞代码不能被攻击者触发
7.openEuler-24.03-LTS-SP1:正常修复
8.openEuler-24.03-LTS-SP2:不修复-超出修复范围
9.openEuler-24.03-LTS-SP3:正常修复
10.openEuler-24.03-LTS-SP4:正常修复

likedislike
openeuler-ci-botopeneuler-ci-bot成员
23 天前 修改了issue 的描述
openeuler-ci-botopeneuler-ci-bot成员
23 天前 issue状态由 进行中 改变为 待办的
openeuler-ci-bot
openeuler-ci-bot成员
23 天前 评论:

@yeweihua999 经过 cve-manager 解析, 已分析的内容如下表所示:

状态 分析项目 内容
已分析 1.影响性分析说明 In the Linux kernel, the following vulnerability has been resolved:net/packet: reset the MAC header on the packet-socket transmit pathpacket_parse_headers() resets the MAC header only for a SOCK_RAW framewhose socket did not bind a protocol. A protocol-bound SOCK_RAW socket,any SOCK_DGRAM frame, and the legacy SOCK_PACKET path therefore leaveskb->mac_header unset here.For frames sent via __dev_queue_xmit() this is harmless: it resets theMAC header unconditionally. But the packet-socket PACKET_QDISC_BYPASSpath uses dev_direct_xmit(), which does not, so the frame reachesndo_start_xmit() with the MAC header unset. A driver that readseth_hdr(skb) on transmit then dereferences skb->head + (u16)~0, anout-of-bounds access ~64 KiB past the head -- the same class fixed forone consumer in commit f5089008f90c ("macsec: do not read an unset MACheader in macsec_encrypt()").packet_parse_headers() runs only on the transmit path, where skb->datapoints at the start of the L2 header for every packet-socket typeregardless of its length: SOCK_RAW and SOCK_PACKET carry a user-suppliedheader and SOCK_DGRAM has one built by dev_hard_header(). Reset the MACheader unconditionally, mirroring __dev_queue_xmit(), so the frame isanchored on the bypass path too.Found by 0sec (<ahref="https://0sec.ai">https://0sec.ai) using automated source analysis;verified against source and matched to the macsec KASAN report inf5089008f90c. Compile-tested.The Linux kernel CVE team has assigned CVE-2026-74667 to this issue.
已分析 2.openEulerScore 7.8
已分析 3.openEulerVector AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
已分析 4.受影响版本排查 master:不受影响,openEuler-20.03-LTS-SP4:不受影响,openEuler-22.03-LTS-SP4:受影响,openEuler-24.03-LTS-Next:不受影响,openEuler-24.03-LTS-SP1:受影响,openEuler-24.03-LTS-SP3:受影响,openEuler-24.03-LTS-SP4:受影响,openEuler-22.03-LTS-SP3:受影响,openEuler-24.03-LTS:受影响,openEuler-24.03-LTS-SP2:受影响
已分析 5.是否涉及abi变化 master:否,openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP4:否,openEuler-24.03-LTS-Next:否,openEuler-24.03-LTS-SP1:否,openEuler-24.03-LTS-SP3:否,openEuler-24.03-LTS-SP4:否,openEuler-22.03-LTS-SP3:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-SP2:否
已分析 6.原因说明 master:不受影响-漏洞代码不能被攻击者触发,openEuler-20.03-LTS-SP4:不受影响-漏洞代码不存在,openEuler-22.03-LTS-SP4:不修复-超出修复范围,openEuler-24.03-LTS-Next:不受影响-漏洞代码不能被攻击者触发,openEuler-24.03-LTS-SP1:正常修复,openEuler-24.03-LTS-SP3:正常修复,openEuler-24.03-LTS-SP4:正常修复,openEuler-22.03-LTS-SP3:不修复-超出修复范围,openEuler-24.03-LTS:不修复-超出修复范围,openEuler-24.03-LTS-SP2:不修复-超出修复范围

请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.

likedislike
openeuler-ci-bot
openeuler-ci-bot成员
23 天前 评论:

经过cve-manager解析,部分分支PR未合入,如红色字体所示:

原因说明:
1.master:不受影响-漏洞代码不能被攻击者触发
2.openEuler-20.03-LTS-SP4:不受影响-漏洞代码不存在
3.openEuler-22.03-LTS-SP4:不修复-超出修复范围
4.openEuler-24.03-LTS-Next:不受影响-漏洞代码不能被攻击者触发
5.openEuler-24.03-LTS-SP1:正常修复(PR未合入)
6.openEuler-24.03-LTS-SP3:正常修复(PR未合入)
7.openEuler-24.03-LTS-SP4:正常修复(PR未合入)
8.openEuler-22.03-LTS-SP3:不修复-超出修复范围
9.openEuler-24.03-LTS:不修复-超出修复范围
10.openEuler-24.03-LTS-SP2:不修复-超出修复范围

likedislike
openeuler-ci-botopeneuler-ci-bot成员
22 天前 关闭了 issue
openeuler-ci-bot
openeuler-ci-bot成员
22 天前 评论:

经过cve-manager解析,部分分支PR未合入,如红色字体所示:

原因说明:
1.master:不受影响-漏洞代码不能被攻击者触发
2.openEuler-20.03-LTS-SP4:不受影响-漏洞代码不存在
3.openEuler-22.03-LTS-SP4:不修复-超出修复范围
4.openEuler-24.03-LTS-Next:不受影响-漏洞代码不能被攻击者触发
5.openEuler-24.03-LTS-SP1:正常修复(PR未合入)
6.openEuler-24.03-LTS-SP3:正常修复(PR未合入)
7.openEuler-24.03-LTS-SP4:正常修复(PR未合入)
8.openEuler-22.03-LTS-SP3:不修复-超出修复范围
9.openEuler-24.03-LTS:不修复-超出修复范围
10.openEuler-24.03-LTS-SP2:不修复-超出修复范围

likedislike
openeuler-ci-botopeneuler-ci-bot成员
22 天前 重新打开了 issue
openeuler-ci-botopeneuler-ci-bot成员
22 天前 issue状态由 待办的 改变为 进行中
openeuler-ci-botopeneuler-ci-bot成员
5 天前 修改了issue 的描述