一、漏洞信息
漏洞编号:CVE-2025-22063
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 V3.0分值:
BaseScore:5.5 Medium
Vector:CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
漏洞简述:
In the Linux kernel, the following vulnerability has been resolved:netlabel: Fix NULL pointer exception caused by CALIPSO on IPv4 socketsWhen calling netlbl_conn_setattr(), addr->sa_family is usedto determine the function behavior. If sk is an IPv4 socket,but the connect function is called with an IPv6 address,the function calipso_sock_setattr() is triggered.Inside this function, the following code is executed:sk_fullsock(__sk) ? inet_sk(__sk)->pinet6 : NULL;Since sk is an IPv4 socket, pinet6 is NULL, leading to anull pointer dereference.This patch fixes the issue by checking if inet6_sk(sk)returns a NULL pointer before accessing pinet6.
漏洞公开时间:2025-04-16 23:15:59
漏洞创建时间:2025-04-17 00:23:29
漏洞详情参考链接:
https://nvd.nist.gov/vuln/detail/CVE-2025-22063
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:
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:netlabel: Fix NULL pointer exception caused by CALIPSO on IPv4 socketsWhen calling netlbl_conn_setattr(), addr->sa_family is usedto determine the function behavior. If sk is an IPv4 socket,but the connect function is called with an IPv6 address,the function calipso_sock_setattr() is triggered.Inside this function, the following code is executed:sk_fullsock(__sk) ? inet_sk(__sk)->pinet6 : NULL;Since sk is an IPv4 socket, pinet6 is NULL, leading to anull pointer dereference.This patch fixes the issue by checking if inet6_sk(sk)returns a NULL pointer before accessing pinet6.The Linux kernel CVE team has assigned CVE-2025-22063 to this issue.
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-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.master(6.6.0):不受影响
8.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(6.6.0):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
原因说明:
1.openEuler-20.03-LTS-SP4(4.19.90):正常修复
2.openEuler-24.03-LTS(6.6.0):正常修复
3.openEuler-24.03-LTS-SP1(6.6.0):正常修复
4.openEuler-24.03-LTS-SP2(6.6.0):正常修复
5.openEuler-22.03-LTS-SP3(5.10.0):不修复-超出修复范围
6.openEuler-22.03-LTS-SP4(5.10.0):不修复-超出修复范围
7.master(6.6.0):不受影响-漏洞代码不能被攻击者触发
8.openEuler-24.03-LTS-Next(6.6.0):不受影响-漏洞代码不能被攻击者触发
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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-2025-22063
影响性分析说明:
In the Linux kernel, the following vulnerability has been resolved:
netlabel: Fix NULL pointer exception caused by CALIPSO on IPv4 sockets
When calling netlbl_conn_setattr(), addr->sa_family is used
to determine the function behavior. If sk is an IPv4 socket,
but the connect function is called with an IPv6 address,
the function calipso_sock_setattr() is triggered.
Inside this function, the following code is executed:
sk_fullsock(__sk) ? inet_sk(__sk)->pinet6 : NULL;
Since sk is an IPv4 socket, pinet6 is NULL, leading to a
null pointer dereference.
This patch fixes the issue by checking if inet6_sk(sk)
returns a NULL pointer before accessing pinet6.
The Linux kernel CVE team has assigned CVE-2025-22063 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(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
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
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:正常修复
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
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