SB2024073179 - Improper locking in Linux kernel fs
Published: July 31, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024073179
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-2024-41020)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the fcntl_setlk64() function in fs/locks.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/a561145f3ae973ebf3e0aee41624e92a6c5cb38d
- https://git.kernel.org/stable/c/4c43ad4ab41602201d34c66ac62130fe339d686f
- https://git.kernel.org/stable/c/911cc83e56a2de5a40758766c6a70d6998248860
- https://git.kernel.org/stable/c/53e21cfa68a7d12de378b7116c75571f73e0dfa2
- https://git.kernel.org/stable/c/f4d0775c6e2f1340ca0725f0337de149aaa989ca
- https://git.kernel.org/stable/c/73ae349534ebc377328e7d21891e589626c6e82c
- https://git.kernel.org/stable/c/5b0af8e4c70e4b884bb94ff5f0cd49ecf1273c02
- https://git.kernel.org/stable/c/ed898f9ca3fa32c56c858b463ceb9d9936cc69c4
- https://git.kernel.org/stable/c/f8138f2ad2f745b9a1c696a05b749eabe44337ea
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.319
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.223
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.164
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.281
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.102
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.43