SB20250226174 - Memory leak in Linux kernel cachefiles



SB20250226174 - Memory leak in Linux kernel cachefiles

Published: February 26, 2025 Updated: May 11, 2025

Security Bulletin ID SB20250226174
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-2022-49064)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the __cachefiles_unmark_inode_in_use(), cachefiles_unmark_inode_in_use(), cachefiles_create_tmpfile() and cachefiles_open_file() functions in fs/cachefiles/namei.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.