#VU97807 Improper locking in Linux kernel - CVE-2024-46839
Published: September 30, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU97807
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-2024-46839
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 wq_watchdog_timer_fn() function in kernel/workqueue.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/9d08fce64dd77f42e2361a4818dbc4b50f3c7dad
- https://git.kernel.org/stable/c/a2abd35e7dc55bf9ed01e2b3481fa78e086d3bf4
- https://git.kernel.org/stable/c/241bce1c757d0587721512296952e6bba69631ed
- https://git.kernel.org/stable/c/da5f374103a1e0881bbd35847dc57b04ac155eb0
- https://git.kernel.org/stable/c/98f887f820c993e05a12e8aa816c80b8661d4c87
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.167
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.110
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.51