Improper locking in Linux kernel loongarch kernel



| Updated: 2025-05-10
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-53067
CWE-ID CWE-667
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper locking

EUVDB-ID: #VU108474

Risk: Low

CVSSv4.0: 4.3 [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-2023-53067

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.1 - 6.3 rc6

CPE2.3 External links

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


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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