SB2025050457 - Improper locking in Linux kernel loongarch kernel
Published: May 4, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025050457
CSH 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 vulnerability.
1) Improper locking (CVE-ID: CVE-2023-53067)
CWE-ID: CWE-667 - Improper Locking
CVSSv4: 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
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.
Remediation
Install update from vendor's website.
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