SB20240603104 - Improper locking in Linux kernel dma
Published: June 3, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240603104
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-2023-52516)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the __dma_entry_alloc(), __dma_entry_alloc_check_leak() and dma_entry_alloc() functions 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/c79300599923daaa30f417c75555d5566b3d31ae
- https://git.kernel.org/stable/c/ac0d068099349cbca3d93f2e3b15bb329364b08c
- https://git.kernel.org/stable/c/be8f49029eca3efbad0d74dbff3cb9129994ffab
- https://git.kernel.org/stable/c/fe2b811a02c3244ebf6059039e4a9e715e26a9e3
- https://git.kernel.org/stable/c/fb5a4315591dae307a65fc246ca80b5159d296e1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.198
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.134
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.56
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6