SB2022090210 - Privilege escalation in Linux kernel watch queue



SB2022090210 - Privilege escalation in Linux kernel watch queue

Published: September 2, 2022

Security Bulletin ID SB2022090210
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) Race condition (CVE-ID: CVE-2022-2959)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a missing lock in the pipe_resize_ring() function within the watch queue when performing operations on an object. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.


Remediation

Install update from vendor's website.