SB20250117110 - Improper locking in Linux kernel dma
Published: January 17, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250117110
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 locking (CVE-ID: CVE-2024-47143)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the check_unmap() function in kernel/dma/debug.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/3ccce34a5c3f5c9541108a451657ade621524b32
- https://git.kernel.org/stable/c/7543c3e3b9b88212fcd0aaf5cab5588797bdc7de
- https://git.kernel.org/stable/c/8c1b4fea8d62285f5e1a8194889b39661608bd8a
- https://git.kernel.org/stable/c/c212d91070beca0d03fef7bf988baf4ff4b3eee4
- https://git.kernel.org/stable/c/efe1b9bbf356357fdff0399af361133d6e3ba18e
- https://git.kernel.org/stable/c/f2b95248a16c5186d1c658fc0aeb2f3bd95e5259
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.5