安全公告/【CVE-2023-31084】

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:2023-08-30
修复版本:4.19.90-2305.1.0.0199.57

漏洞描述

An issue was discovered in drivers/media/dvb-core/dvb_frontend.c in the Linux kernel 6.2. There is a blocking operation when a task is in !TASK_RUNNING. In dvb_frontend_get_event, wait_event_interruptible is called; the condition is dvb_frontend_test_event(fepriv,events). In dvb_frontend_test_event, down(&fepriv->sem) is called. However, wait_event_interruptible would put the process to sleep, and down(&fepriv->sem) may block the process.

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-2023-31084
https://nvd.nist.gov/vuln/detail/CVE-2023-31084