安全公告/【CVE-2023-3161】

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:kernel-4.19
CVSS评分:5.5
发现日期:2023-09-28
修复版本:4.19.90-5069

漏洞描述

A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing font->width and font->height greater than 32 to fbcon_set_font, since there are no checks in place, a shift-out-of-bounds occurs leading to undefined behavior and possible denial of service.

修复方式

sudo apt update && sudo apt dist-upgrade

漏洞判定

执行命令apt policy 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-2023-3161
https://nvd.nist.gov/vuln/detail/CVE-2023-3161