安全公告/【CVE-2021-39686】

基本信息

系统版本:服务器
危险等级:高
影响源码包:kernel-4.19
CVSS_v3评分:7
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