Improper locking in Linux kernel - CVE-2023-52632
Published: June 8, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91534
CSH Severity: 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-2023-52632
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 mutex_unlock() function in drivers/gpu/drm/amd/amdkfd/kfd_svm.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/b602f098f716723fa5c6c96a486e0afba83b7b94
- https://git.kernel.org/stable/c/752312f6a79440086ac0f9b08d7776870037323c
- https://git.kernel.org/stable/c/1556c242e64cdffe58736aa650b0b395854fe4d4
- https://git.kernel.org/stable/c/2a9de42e8d3c82c6990d226198602be44f43f340
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.77
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8