CVE-2024-40940

一、漏洞信息
漏洞编号：CVE-2024-40940
漏洞归属组件：kernel
漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.0,6.1.14,6.1.19,6.1.5,6.1.6,6.1.8,6.4.0,6.6.0
CVSS V2.0分值：
BaseScore：0.0 Medium
Vector：CVSS：2.0/
漏洞简述：
In the Linux kernel, the following vulnerability has been resolved:net/mlx5: Fix tainted pointer delete is case of flow rules creation failIn case of flow rule creation fail in mlx5_lag_create_port_sel_table(),instead of previously created rules, the tainted pointer is deleteddeveral times.Fix this bug by using correct flow rules pointers.Found by Linux Verification Center (linuxtesting.org) with SVACE.
漏洞公开时间：2024-07-12 21:15:16
漏洞创建时间：2024-07-13 16:16:27
漏洞详情参考链接：
https://nvd.nist.gov/vuln/detail/CVE-2024-40940

更多参考(点击展开)

参考来源	参考链接	来源链接
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/229bedbf62b13af5aba6525ad10b62ad38d9ccb5
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/531eab2da27dd42d68dfb841d82e987f4a6738b8
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/a03a3fa12769e25f4385bee587afe1445aee7f7a
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/d857df86837ac1c30592e8a068204d16feac9930
suse_bugzilla	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-40940	https://bugzilla.suse.com/show_bug.cgi?id=1227800
suse_bugzilla	https://www.cve.org/CVERecord?id=CVE-2024-40940	https://bugzilla.suse.com/show_bug.cgi?id=1227800
suse_bugzilla	https://git.kernel.org/stable/c/229bedbf62b13af5aba6525ad10b62ad38d9ccb5	https://bugzilla.suse.com/show_bug.cgi?id=1227800
suse_bugzilla	https://git.kernel.org/stable/c/531eab2da27dd42d68dfb841d82e987f4a6738b8	https://bugzilla.suse.com/show_bug.cgi?id=1227800
suse_bugzilla	https://git.kernel.org/stable/c/a03a3fa12769e25f4385bee587afe1445aee7f7a	https://bugzilla.suse.com/show_bug.cgi?id=1227800
suse_bugzilla	https://git.kernel.org/stable/c/d857df86837ac1c30592e8a068204d16feac9930	https://bugzilla.suse.com/show_bug.cgi?id=1227800
suse_bugzilla	https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-40940.mbox	https://bugzilla.suse.com/show_bug.cgi?id=1227800
ubuntu	https://www.cve.org/CVERecord?id=CVE-2024-40940	https://ubuntu.com/security/CVE-2024-40940
ubuntu	https://git.kernel.org/linus/229bedbf62b13af5aba6525ad10b62ad38d9ccb5 (6.10-rc3)	https://ubuntu.com/security/CVE-2024-40940
ubuntu	https://git.kernel.org/stable/c/531eab2da27dd42d68dfb841d82e987f4a6738b8	https://ubuntu.com/security/CVE-2024-40940
ubuntu	https://git.kernel.org/stable/c/d857df86837ac1c30592e8a068204d16feac9930	https://ubuntu.com/security/CVE-2024-40940
ubuntu	https://git.kernel.org/stable/c/a03a3fa12769e25f4385bee587afe1445aee7f7a	https://ubuntu.com/security/CVE-2024-40940
ubuntu	https://git.kernel.org/stable/c/229bedbf62b13af5aba6525ad10b62ad38d9ccb5	https://ubuntu.com/security/CVE-2024-40940
ubuntu	https://nvd.nist.gov/vuln/detail/CVE-2024-40940	https://ubuntu.com/security/CVE-2024-40940
ubuntu	https://launchpad.net/bugs/cve/CVE-2024-40940	https://ubuntu.com/security/CVE-2024-40940
ubuntu	https://security-tracker.debian.org/tracker/CVE-2024-40940	https://ubuntu.com/security/CVE-2024-40940
debian		https://security-tracker.debian.org/tracker/CVE-2024-40940
cve_search		https://git.kernel.org/stable/c/531eab2da27dd42d68dfb841d82e987f4a6738b8
cve_search		https://git.kernel.org/stable/c/d857df86837ac1c30592e8a068204d16feac9930
cve_search		https://git.kernel.org/stable/c/a03a3fa12769e25f4385bee587afe1445aee7f7a
cve_search		https://git.kernel.org/stable/c/229bedbf62b13af5aba6525ad10b62ad38d9ccb5

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:
openBrain开源漏洞感知系统
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
linux		https://git.kernel.org/linus/229bedbf62b13af5aba6525ad10b62ad38d9ccb5	https://git.kernel.org/linus/352899f384d4aefa77ede6310d08c1b515612a8f	ubuntu

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/mlx5: Fix tainted pointer delete is case of flow rules creation failIn case of flow rule creation fail in mlx5_lag_create_port_sel_table(),instead of previously created rules, the tainted pointer is deleteddeveral times.Fix this bug by using correct flow rules pointers.Found by Linux Verification Center (linuxtesting.org) with SVACE.
openEuler评分：
5.5
Vector：CVSS：3.0/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.openEuler-24.03-LTS(6.6.0):受影响
2.openEuler-20.03-LTS-SP4(4.19.90):不受影响
3.openEuler-22.03-LTS-SP1(5.10.0):不受影响
4.openEuler-22.03-LTS-SP3(5.10.0):不受影响
5.openEuler-22.03-LTS-SP4(5.10.0):不受影响
6.master(6.1.0):不受影响
7.openEuler-24.03-LTS-Next(6.6.0):不受影响

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP4(4.19.90):否
2.openEuler-22.03-LTS-SP1(5.10.0):否
3.openEuler-22.03-LTS-SP3(5.10.0):否
4.master(6.1.0):否
5.openEuler-24.03-LTS(6.6.0):否
6.openEuler-24.03-LTS-Next(6.6.0):否
7.openEuler-22.03-LTS-SP4(5.10.0):否

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2024-2076

Hi openeuler-ci-bot, welcome to the openEuler Community.
I'm the Bot here serving you. You can find the instructions on how to interact with me at Here.
If you have any questions, please contact the SIG: Kernel, and any of the maintainers.

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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))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(6.1.0):
2.openEuler-20.03-LTS-SP4(4.19.90):
3.openEuler-22.03-LTS-SP1(5.10.0):
4.openEuler-22.03-LTS-SP3(5.10.0):
5.openEuler-22.03-LTS-SP4(5.10.0):
6.openEuler-24.03-LTS(6.6.0):
7.openEuler-24.03-LTS-Next(6.6.0):

修复是否涉及abi变化(是/否)：
1.master(6.1.0):
2.openEuler-20.03-LTS-SP4(4.19.90):
3.openEuler-22.03-LTS-SP1(5.10.0):
4.openEuler-22.03-LTS-SP3(5.10.0):
5.openEuler-22.03-LTS-SP4(5.10.0):
6.openEuler-24.03-LTS(6.6.0):
7.openEuler-24.03-LTS-Next(6.6.0):

-----------------------------------------------------------------------
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

参考网址	关联pr	状态	补丁链接
https://nvd.nist.gov/vuln/detail/CVE-2024-40940	None	None	https://git.kernel.org/stable/c/229bedbf62b13af5aba6525ad10b62ad38d9ccb5 https://git.kernel.org/stable/c/531eab2da27dd42d68dfb841d82e987f4a6738b8 https://git.kernel.org/stable/c/d857df86837ac1c30592e8a068204d16feac9930 https://git.kernel.org/stable/c/a03a3fa12769e25f4385bee587afe1445aee7f7a
https://ubuntu.com/security/CVE-2024-40940	None	None	https://discourse.ubuntu.com/c/ubuntu-pro
https://www.opencve.io/cve/CVE-2024-40940	None	None	https://git.kernel.org/stable/c/229bedbf62b13af5aba6525ad10b62ad38d9ccb5 https://git.kernel.org/stable/c/531eab2da27dd42d68dfb841d82e987f4a6738b8 https://git.kernel.org/stable/c/d857df86837ac1c30592e8a068204d16feac9930 https://git.kernel.org/stable/c/a03a3fa12769e25f4385bee587afe1445aee7f7a
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2024-40940
https://security-tracker.debian.org/tracker/CVE-2024-40940	None	None	https://git.kernel.org/linus/229bedbf62b13af5aba6525ad10b62ad38d9ccb5

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

CVE-2024-40940

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

net/mlx5: Fix tainted pointer delete is case of flow rules creation fail

In case of flow rule creation fail in mlx5_lag_create_port_sel_table(),
instead of previously created rules, the tainted pointer is deleted
deveral times.
Fix this bug by using correct flow rules pointers.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

The Linux kernel CVE team has assigned CVE-2024-40940 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.openEuler-20.03-LTS-SP4:不受影响
2.openEuler-22.03-LTS-SP1:不受影响
3.openEuler-22.03-LTS-SP3:不受影响
4.openEuler-22.03-LTS-SP4:不受影响
5.master(6.1.0):不受影响
6.openEuler-24.03-LTS:受影响
7.openEuler-24.03-LTS-Next:不受影响

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP4:否
2.openEuler-22.03-LTS-SP1:否
3.openEuler-22.03-LTS-SP3:否
4.master(6.1.0):否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-22.03-LTS-SP4:否

@ 经过 cve-manager 解析, 已分析的内容如下表所示:

状态	需分析	内容
已分析	1.影响性分析说明	In the Linux kernel, the following vulnerability has been resolved:net/mlx5: Fix tainted pointer delete is case of flow rules creation failIn case of flow rule creation fail in mlx5_lag_create_port_sel_table(),instead of previously created rules, the tainted pointer is deleteddeveral times.Fix this bug by using correct flow rules pointers.Found by Linux Verification Center (linuxtesting.org) with SVACE.The Linux kernel CVE team has assigned CVE-2024-40940 to this issue.
已分析	2.openEulerScore	5.5
已分析	3.openEulerVector	AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
已分析	4.受影响版本排查	openEuler-24.03-LTS:受影响,openEuler-20.03-LTS-SP4:不受影响,openEuler-22.03-LTS-SP1:不受影响,openEuler-22.03-LTS-SP3:不受影响,openEuler-22.03-LTS-SP4:不受影响,master:不受影响,openEuler-24.03-LTS-Next:不受影响
已分析	5.修复是否涉及abi变化	openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP1:否,openEuler-22.03-LTS-SP3:否,master:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否,openEuler-22.03-LTS-SP4:否

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.