SB2019121222 - Use-after-free in Linux kernel



SB2019121222 - Use-after-free in Linux kernel

Published: December 12, 2019 Updated: June 1, 2020

Security Bulletin ID SB2019121222
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2019-19769)

The vulnerability allows a local privileged user to execute arbitrary code.

In the Linux kernel 5.3.10, there is a use-after-free (read) in the perf_trace_lock_acquire function (related to include/trace/events/lock.h).


Remediation

Install update from vendor's website.