安全公告/【CVE-2020-25669】

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:7.8
修复版本:4.19.0-91.77.101

漏洞描述

A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free.

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