Linux kernel privilege enhancement vulnerability

Summary

Linux is a set of free use and free dissemination of unix-like operating system, is a POSIX and unix-based multi-user, multi-task, support multi-threading and multi-cpu operating system

There is a privilege promotion vulnerability in Linux kernel, which originates from the failure of ptrace_link in kernel/ptrace.c file to properly process records of credentials.Attackers can use this vulnerability to obtain root access.


Solution

At present, the manufacturer has issued an update patch to fix the vulnerability, and the patch gets the link:

HTTPS: / / security-tracker.debian.org/tracker/linux