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CVE-2025-39931 #8202
openeuler-ci-bot创建于  2025年10月7日关闭于  2025年11月27日
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2025年10月7日 创建

一、漏洞信息
漏洞编号:CVE-2025-39931
漏洞归属组件:kernel
漏洞归属的版本:4.19.140,4.19.194,4.19.90,5.10.0,6.1.19,6.4.0,6.6.0
CVSS V4.0分值:
BaseScore:N/A None
Vector:
漏洞简述:
In the Linux kernel, the following vulnerability has been resolved:crypto: af_alg - Set merge to zero early in af_alg_sendmsgIf an error causes af_alg_sendmsg to abort, ctx->merge may containa garbage value from the previous loop. This may then trigger acrash on the next entry into af_alg_sendmsg when it attempts to doa merge that can t be done.Fix this by setting ctx->merge to zero near the start of the loop.
漏洞公开时间:2025-10-04 16:15:45
漏洞创建时间:2025-10-07 00:35:04
漏洞详情参考链接:
https://nvd.nist.gov/vuln/detail/CVE-2025-39931

更多参考(点击展开)
参考来源 参考链接 来源链接
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.115
https://git.kernel.org/stable/c/9574b2330dbd2b5459b74d3b5e9619d39299fc6f
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.111
https://git.kernel.org/stable/c/2374c11189ef704a3e4863646369f1b8e6a27d71
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.109
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-39931
https://bugs.mageia.org/show_bug.cgi?id=34721
https://lore.kernel.org/linux-cve-announce/2025100416-CVE-2025-39931-8ff7@gregkh/T
https://lore.kernel.org/linux-cve-announce/2025100416-CVE-2025-39931-8ff7@gregkh/T/#u
https://security-tracker.debian.org/tracker/CVE-2025-39931
https://advisories.mageia.org/MGASA-2025-0309.html
https://docs.bell-sw.com/security/cves/CVE-2025-39931
https://www.cve.org/CVERecord?id=CVE-2025-39931
https://git.kernel.org/stable/c/6241b9e2809b12da9130894cf5beddf088dc1b8a
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.108
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.110
https://bugzilla.redhat.com/show_bug.cgi?id=2401423
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.114
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.106
https://linux.oracle.com/cve/CVE-2025-39931.html
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.116
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.112
https://nvd.nist.gov/vuln/detail/CVE-2025-39931
https://linux.oracle.com/errata/ELSA-2025-25754.html
https://advisories.mageia.org/MGASA-2025-0310.html
https://git.kernel.org/stable/c/24c1106504c625fabd3b7229611af617b4c27ac7
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.113
https://bugs.mageia.org/show_bug.cgi?id=34713
https://git.kernel.org/stable/c/045ee26aa3920a47ec46d7fcb302420bf01fd753
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.107

漏洞分析指导链接:
https://gitee.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/6241b9e2809b12da9130894cf5beddf088dc1b8a ljqc
gregkh/linux https://git.kernel.org/stable/c/2374c11189ef704a3e4863646369f1b8e6a27d71 ljqc
gregkh/linux https://git.kernel.org/stable/c/24c1106504c625fabd3b7229611af617b4c27ac7 ljqc
gregkh/linux https://git.kernel.org/stable/c/045ee26aa3920a47ec46d7fcb302420bf01fd753 ljqc
gregkh/linux https://git.kernel.org/stable/c/9574b2330dbd2b5459b74d3b5e9619d39299fc6f ljqc
https://git.kernel.org/stable/c/9574b2330dbd2b5459b74d3b5e9619d39299fc6f cvelistv5
https://git.kernel.org/stable/c/2374c11189ef704a3e4863646369f1b8e6a27d71 cvelistv5
https://git.kernel.org/stable/c/6241b9e2809b12da9130894cf5beddf088dc1b8a cvelistv5
https://git.kernel.org/stable/c/24c1106504c625fabd3b7229611af617b4c27ac7 cvelistv5
https://git.kernel.org/stable/c/045ee26aa3920a47ec46d7fcb302420bf01fd753 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:crypto: af_alg - Set merge to zero early in af_alg_sendmsgIf an error causes af_alg_sendmsg to abort, ctx->merge may containa garbage value from the previous loop. This may then trigger acrash on the next entry into af_alg_sendmsg when it attempts to doa merge that can t be done.Fix this by setting ctx->merge to zero near the start of the loop.The Linux kernel CVE team has assigned CVE-2025-39931 to this issue.
openEuler评分:
7.0
Vector:CVSS:3.1/AV:L/AC:H/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.openEuler-20.03-LTS-SP4(4.19.90):受影响
2.openEuler-22.03-LTS-SP3(5.10.0):受影响
3.openEuler-22.03-LTS-SP4(5.10.0):受影响
4.openEuler-24.03-LTS(6.6.0):受影响
5.openEuler-24.03-LTS-SP1(6.6.0):受影响
6.openEuler-24.03-LTS-SP2(6.6.0):受影响
7.openEuler-24.03-LTS-SP3(6.6.0):受影响
8.master(6.12.33):不受影响
9.openEuler-24.03-LTS-Next(6.6.0):不受影响

修复是否涉及abi变化(是/否):
1.master(6.12.33):否
2.openEuler-20.03-LTS-SP4(4.19.90):否
3.openEuler-22.03-LTS-SP3(5.10.0):否
4.openEuler-22.03-LTS-SP4(5.10.0):否
5.openEuler-24.03-LTS(6.6.0):否
6.openEuler-24.03-LTS-Next(6.6.0):否
7.openEuler-24.03-LTS-SP1(6.6.0):否
8.openEuler-24.03-LTS-SP2(6.6.0):否
9.openEuler-24.03-LTS-SP3(6.6.0):否

原因说明:
1.openEuler-24.03-LTS(6.6.0):正常修复
2.openEuler-24.03-LTS-SP1(6.6.0):正常修复
3.openEuler-24.03-LTS-SP2(6.6.0):正常修复
4.openEuler-24.03-LTS-SP3(6.6.0):正常修复
5.openEuler-20.03-LTS-SP4(4.19.90):不修复-超出修复范围
6.openEuler-22.03-LTS-SP3(5.10.0):不修复-超出修复范围
7.openEuler-22.03-LTS-SP4(5.10.0):不修复-超出修复范围
8.master(6.12.33):不受影响-漏洞代码不能被攻击者触发
9.openEuler-24.03-LTS-Next(6.6.0):不受影响-漏洞代码不能被攻击者触发

三、漏洞修复
安全公告链接:https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2025-2767

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issue处理注意事项:
1. 当前issue受影响的分支提交pr时, 须在pr描述中填写当前issue编号进行关联, 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,未引入的分支不需要填写, 否则无法关闭当前issue;
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: 内容的标题名称(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:
2.openEuler-20.03-LTS-SP4(4.19.90):
3.openEuler-22.03-LTS-SP3(5.10.0):
4.openEuler-22.03-LTS-SP4(5.10.0):
5.openEuler-24.03-LTS(6.6.0):
6.openEuler-24.03-LTS-Next(6.6.0):
7.openEuler-24.03-LTS-SP1(6.6.0):
8.openEuler-24.03-LTS-SP2(6.6.0):

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

原因说明:
1.master:
2.openEuler-20.03-LTS-SP4(4.19.90):
3.openEuler-22.03-LTS-SP3(5.10.0):
4.openEuler-22.03-LTS-SP4(5.10.0):
5.openEuler-24.03-LTS(6.6.0):
6.openEuler-24.03-LTS-Next(6.6.0):
7.openEuler-24.03-LTS-SP1(6.6.0):
8.openEuler-24.03-LTS-SP2(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
受影响 正常修复
受影响 暂不修复-漏洞仍在分析中
受影响 暂不修复-暂无解决方案或补丁
受影响 暂不修复-待升级版本修复
受影响 不修复-超出修复范围
受影响 不修复-特殊原因导致不再修复
不受影响 不受影响-组件不存在
不受影响 不受影响-已有内置的内联控制或缓解措施
不受影响 不受影响-漏洞代码不能被攻击者触发
不受影响 不受影响-漏洞代码不在执行路径
不受影响 不受影响-漏洞代码不存在

issue处理具体操作请参考:
https://gitee.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://gitee.com/help/articles/4142

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openeuler-ci-bot
openeuler-ci-bot成员
2025年10月7日 评论:
参考网址 关联pr 状态 补丁链接
https://nvd.nist.gov/vuln/detail/CVE-2025-39931NoneNonehttps://git.kernel.org/stable/c/24c1106504c625fabd3b7229611af617b4c27ac7
https://git.kernel.org/stable/c/6241b9e2809b12da9130894cf5beddf088dc1b8a
https://git.kernel.org/stable/c/2374c11189ef704a3e4863646369f1b8e6a27d71
https://git.kernel.org/stable/c/045ee26aa3920a47ec46d7fcb302420bf01fd753
https://git.kernel.org/stable/c/9574b2330dbd2b5459b74d3b5e9619d39299fc6f
https://ubuntu.com/security/CVE-2025-39931NoneNonehttps://discourse.ubuntu.com/c/project
https://www.opencve.io/cve/CVE-2025-39931NoneNonehttps://git.kernel.org/stable/c/24c1106504c625fabd3b7229611af617b4c27ac7
https://git.kernel.org/stable/c/6241b9e2809b12da9130894cf5beddf088dc1b8a
https://git.kernel.org/stable/c/2374c11189ef704a3e4863646369f1b8e6a27d71
https://git.kernel.org/stable/c/045ee26aa3920a47ec46d7fcb302420bf01fd753
https://git.kernel.org/stable/c/9574b2330dbd2b5459b74d3b5e9619d39299fc6f
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2025-39931
https://security-tracker.debian.org/tracker/CVE-2025-39931NoneNonehttps://git.kernel.org/linus/9574b2330dbd2b5459b74d3b5e9619d39299fc6f
http://www.cnnvd.org.cn/web/vulnerability/queryLds.tag?qcvCnnvdid=CVE-2025-39931

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

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2025年10月7日 修改了描述
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2025年10月7日 修改了描述
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2025年11月26日 通过合并 Pull Request !2307: release 6.6.0-121.0.0 将状态从 进行中 修改为已完成
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2025年11月26日 通过合并 Pull Request !2308: release 6.6.0-121.0.0 将状态从 进行中 修改为已完成
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2025年11月27日 修改了描述
2025年11月27日 评论:

CVE-2025-39931

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

crypto: af_alg - Set merge to zero early in af_alg_sendmsg

If an error causes af_alg_sendmsg to abort, ctx->merge may contain
a garbage value from the previous loop. This may then trigger a
crash on the next entry into af_alg_sendmsg when it attempts to do
a merge that can't be done.

Fix this by setting ctx->merge to zero near the start of the loop.

The Linux kernel CVE team has assigned CVE-2025-39931 to this issue.

openEuler评分:(评分和向量)
6.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

受影响版本排查(受影响/不受影响):
1.master(6.1.0):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

修复是否涉及abi变化(是/否):
1.master(6.1.0):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

原因说明:
1.master(23.08.5):不受影响-漏洞代码不能被攻击者触发
2.openEuler-20.03-LTS-SP4:不修复-超出修复范围
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:正常修复
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:正常修复
9.openEuler-24.03-LTS-SP3:正常修复

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1月12日 关联了pull request: crypto: af_alg - Set merge to zero early in af_alg_sendmsg