Improper locking in Linux kernel - CVE-2023-52516
Published: June 3, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90804
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-52516
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2023-52516
Install update from vendor's website.
Sources
- 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