Improper locking in Linux kernel - CVE-2023-53067
Published: May 4, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108474
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2023-53067
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the get_timer_irq() function in arch/loongarch/kernel/time.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
How to mitigate CVE-2023-53067
Install update from vendor's website.
Linux kernel - addressed in versions 6.1.21, 6.2.8, 6.3
External References
- https://git.kernel.org/stable/c/acadbd058fa12b510fbecca11eae22bd6f654250
- https://git.kernel.org/stable/c/b9c379e1d7e141b102f41858c9b8f6f36e7c89a4
- https://git.kernel.org/stable/c/bb7a78e343468873bf00b2b181fcfd3c02d8cb56
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3