SB2022120130 - Denial of service in Linux kernel BPF



SB2022120130 - Denial of service in Linux kernel BPF

Published: December 1, 2022

Security Bulletin ID SB2022120130
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Memory leak (CVE-ID: CVE-2022-3543)

The vulnerability allows a local user to perform a DoS attack.

The vulnerability exists due memory leak within the unix_sock_destructor/unix_release_sock() function in net/unix/af_unix.c. A local user can force the system to leak memory and perform denial of service attack.


Remediation

Install update from vendor's website.