安全公告/【CVE-2022-4269】
基本信息
受影响操作系统:Asianux
危险等级:中危
影响源码包:kernel-5.10
CVSS评分:5.5
发现日期:2023-06-30
修复版本:5.10.0-37.4
漏洞描述
A flaw was found in the Linux kernel Traffic Control (TC) subsystem. Using a specific networking configuration (redirecting egress packets to ingress using TC action "mirred") a local unprivileged user could trigger a CPU soft lockup (ABBA deadlock) when the transport protocol in use (TCP or SCTP) does a retransmission, resulting in a denial of service condition.
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
修复方式
yum update PackageName