Remote No

Type Privilege escalation

Description

Race condition in kernel/events/core.c in the Linux kernel before 4.9.7 allows local users to gain privileges via a crafted application that makes concurrent perf_event_open system calls for moving a software group into a hardware context. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-6786.

AVG-188 linux-lts 4.4.50-1 4.9.13-1 High Fixed

AVG-187 linux 4.9.6-1 4.9.7-1 High Fixed

https://github.com/torvalds/linux/commit/321027c1fe77f892f4ea07846aeae08cefbbb290
http://seclists.org/oss-sec/2017/q1/446