SB20240603120 - Input validation error in Linux kernel fs
Published: June 3, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240603120
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) Input validation error (CVE-ID: CVE-2024-36881)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the userfaultfd_release() function in fs/userfaultfd.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/377f3a9a3d032a52325a5b110379a25dd1ab1931
- https://git.kernel.org/stable/c/8d8b68a5b0c9fb23d37df06bb273ead38fd5a29d
- https://git.kernel.org/stable/c/c88033efe9a391e72ba6b5df4b01d6e628f4e734
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.31
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.10