安全公告/【CVE-2021-39686】

基本信息

漏洞名称:
受影响操作系统:Asianux
危险等级:高危
影响源码包:kernel-4.19
CVSS评分:7
发现日期:2023-09-14
修复版本:4.19.0-91.77.101

漏洞描述

In several functions of binder.c, there is a possible way to represent the wrong domain to SELinux due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-200688826References: Upstream kernel

修复方式

yum update PackageName

漏洞判定

执行命令yum info PackageName获取软件包版本号，版本小于修复版本，则受此漏洞影响，版本大于等于修复版本，则此漏洞已修复

补丁

参考

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39686
https://nvd.nist.gov/vuln/detail/CVE-2021-39686