CVE-2023-2176

一、漏洞信息
漏洞编号：CVE-2023-2176
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
CVSS V3.0分值：
BaseScore：7.8 High
Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
漏洞简述：
A vulnerability was found in compare_netdev_and_ip in drivers/infiniband/core/cma.c in RDMA in the Linux Kernel. The improper cleanup results in out-of-boundary read, where a local user can utilize this problem to crash the system or escalation of privilege.
漏洞公开时间：2023-04-21 05:15:00
漏洞创建时间：2023-04-19 18:23:42
漏洞详情参考链接：
https://nvd.nist.gov/vuln/detail/CVE-2023-2176

更多参考(点击展开)

参考来源	参考链接	来源链接
nvd	https://www.spinics.net/lists/linux-rdma/msg114749.html
redhat	https://access.redhat.com/security/cve/CVE-2023-2176
suse_bugzilla	https://lkml.org/lkml/2022/12/9/178	https://bugzilla.suse.com/show_bug.cgi?id=1210629
suse_bugzilla	https://www.spinics.net/lists/linux-rdma/msg114749.html	https://bugzilla.suse.com/show_bug.cgi?id=1210629
suse_bugzilla	https://patchwork.kernel.org/project/linux-rdma/patch/3d0e9a2fd62bc10ba02fed1c7c48a48638952320.1672819273.git.leonro@nvidia.com/	https://bugzilla.suse.com/show_bug.cgi?id=1210629
suse_bugzilla	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-2176	https://bugzilla.suse.com/show_bug.cgi?id=1210629
suse_bugzilla	https://bugzilla.redhat.com/show_bug.cgi?id=2187931	https://bugzilla.suse.com/show_bug.cgi?id=1210629
redhat_bugzilla	https://lkml.org/lkml/2022/12/9/178	https://bugzilla.redhat.com/show_bug.cgi?id=2187931
redhat_bugzilla	https://www.spinics.net/lists/linux-rdma/msg114749.html	https://bugzilla.redhat.com/show_bug.cgi?id=2187931
redhat_bugzilla	https://patchwork.kernel.org/project/linux-rdma/patch/3d0e9a2fd62bc10ba02fed1c7c48a48638952320.1672819273.git.leonro@nvidia.com/	https://bugzilla.redhat.com/show_bug.cgi?id=2187931
debian		https://security-tracker.debian.org/tracker/CVE-2023-2176
anolis		https://anas.openanolis.cn/cves/detail/CVE-2023-2176
cve_search		https://www.spinics.net/lists/linux-rdma/msg114749.html
nvd	https://www.spinics.net/lists/linux-rdma/msg114749.html

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)

无

二、漏洞分析结构反馈
影响性分析说明：
A vulnerability was found in compare_netdev_and_ip in drivers/infiniband/core/cma.c in RDMA in the Linux Kernel. The improper cleanup results in out-of-boundary read, where a local user can utilize this problem to crash the systemor escalation of privilege.
openEuler评分：
7.8
Vector：CVSS：3.0/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.openEuler-22.03-LTS:受影响
2.openEuler-20.03-LTS-SP1(4.19.90):受影响
3.openEuler-20.03-LTS-SP3(4.19.90):受影响
4.openEuler-22.03-LTS-SP1:受影响

修复是否涉及abi变化(是/否)：
1.openEuler-22.03-LTS:否
2.openEuler-20.03-LTS-SP1(4.19.90):否
3.openEuler-20.03-LTS-SP3(4.19.90):否
4.openEuler-22.03-LTS-SP1:否

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2023-1277

@yangyingliang ,@gatieme ,@jiaoff ,@guohaocs2c ,@hanjun-guo ,@woqidaideshi ,@newbeats ,@zhangyi089 ,@colyli ,@thundertown ,@htforge ,@chiqijun ,@lengchao ,@zhujianwei001 ,@kylin-mayukun ,@wangxiongfeng ,@wkfxxx ,@SuperSix173 ,@jentlestea ,@oskernel0719 
**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.openEuler-20.03-LTS-SP1(4.19.90):
2.openEuler-20.03-LTS-SP3(4.19.90):
3.openEuler-22.03-LTS:
4.openEuler-22.03-LTS-SP1:

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP1(4.19.90):
2.openEuler-20.03-LTS-SP3(4.19.90):
3.openEuler-22.03-LTS:
4.openEuler-22.03-LTS-SP1:

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

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参考网址	关联pr	状态	补丁链接
https://nvd.nist.gov/vuln/detail/CVE-2023-2176
https://ubuntu.com/security/CVE-2023-2176	None	None	https://discourse.ubuntu.com/c/ubuntu-pro
https://www.opencve.io/cve/CVE-2023-2176
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2023-2176
https://security-tracker.debian.org/tracker/CVE-2023-2176
http://www.cnnvd.org.cn/web/vulnerability/queryLds.tag?qcvCnnvdid=CVE-2023-2176

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-2023-2176
I6X49E

影响性分析说明：
A vulnerability was found in compare_netdev_and_ip in drivers/infiniband/core/cma.c in RDMA in the Linux Kernel. The improper cleanup results in out-of-boundary read, where a local user can utilize this problem to crash the system
or escalation of privilege.

openEuler评分:(评分和向量)
7.8
CVSS：3.0/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.openEuler-22.03-LTS(5.10.0):受影响
2.openEuler-20.03-LTS-SP1(4.19.90):受影响
3.openEuler-20.03-LTS-SP3(4.19.194):受影响
4.openEuler-22.03-LTS-SP1:受影响

修复是否涉及abi变化(是/否)：
1.openEuler-22.03-LTS(5.10.0):否
2.openEuler-20.03-LTS-SP1(4.19.90):否
3.openEuler-20.03-LTS-SP3(4.19.194):否
4.openEuler-22.03-LTS-SP1:否

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