SB2024093059 - Improper locking in Linux kernel
Published: September 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024093059
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 security vulnerability.
1) Improper locking (CVE-ID: CVE-2024-46839)
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.
References
- 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