SB20250402108 - Buffer overflow in Linux kernel md driver
Published: April 2, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250402108
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2025-21966)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the clone_bio() function in drivers/md/dm-flakey.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/57e9417f69839cb10f7ffca684c38acd28ceb57b
- https://git.kernel.org/stable/c/5a87e46da2418c57b445371f5ca0958d5779ba5f
- https://git.kernel.org/stable/c/818330f756f3800c37d738bd36bce60eac949938
- https://git.kernel.org/stable/c/da070843e153471be4297a12fdaa64023276f40e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.8