安全公告/【CVE-2021-20269】

基本信息

漏洞名称:
受影响操作系统:Asianux
危险等级:中危
影响源码包:kexec-tools
CVSS评分:5.5
发现日期:2022-08-13
修复版本:2.0.21-1.3.07

漏洞描述

A flaw was found in the permissions of a log file created by kexec-tools. This flaw allows a local unprivileged user to read this file and leak kernel internal information from a previous panic. The highest threat from this vulnerability is to confidentiality. This flaw affects kexec-tools shipped by Fedora versions prior to 2.0.21-8 and RHEL versions prior to 2.0.20-47.

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-2021-20269
https://nvd.nist.gov/vuln/detail/CVE-2021-20269