#VU92045 Improper locking in Linux kernel - CVE-2023-52635
Published: June 13, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU92045
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-2023-52635
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 devfreq_monitor(), devfreq_monitor_start() and devfreq_monitor_stop() functions in drivers/devfreq/devfreq.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/3399cc7013e761fee9d6eec795e9b31ab0cbe475
- https://git.kernel.org/stable/c/099f6a9edbe30b142c1d97fe9a4748601d995675
- https://git.kernel.org/stable/c/31569995fc65007b73a3fff605ec2b3401b435e9
- https://git.kernel.org/stable/c/0aedb319ef3ed39e9e5a7b7726c8264ca627bbd9
- https://git.kernel.org/stable/c/ae815e2fdc284ab31651d52460698bd89c0fce22
- https://git.kernel.org/stable/c/aed5ed595960c6d301dcd4ed31aeaa7a8054c0c6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.210
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.149
- 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