#VU116559 Improper locking in Linux kernel - CVE-2023-53563
Published: October 5, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116559
Vulnerability risk: Low
CVSSv4.0: 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-2023-53563
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the amd_pstate_ut_check_perf() and amd_pstate_ut_check_freq() functions in drivers/cpufreq/amd-pstate-ut.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/0f74f12ee042fd72e45f0e8700e063c84ef3883b
- https://git.kernel.org/stable/c/60dd283804479c4a52f995b713f448e2cd65b8c8
- https://git.kernel.org/stable/c/84857640c67405eed258c461b3ef909002f1e201
- https://git.kernel.org/stable/c/fcf78a17bbb94bebaa912f0460a1848f7d374c94
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.53