SB20250226598 - Improper error handling in Linux kernel mm
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226598
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper error handling (CVE-ID: CVE-2022-49049)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the secretmem_setattr() and secretmem_file_create() functions in mm/secretmem.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/9d3b877daf805fed29be8f61aa3d0ea37df82c7b
- https://git.kernel.org/stable/c/b6d17c67885a5624e96eb30c4178c65eea8374bf
- https://git.kernel.org/stable/c/f9b141f93659e09a52e28791ccbaf69c273b8e92
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.35
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18