SB20241022129 - Improper locking in Linux kernel jbd2
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022129
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-2024-49959)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the __releases() function in fs/jbd2/checkpoint.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/481e8f18a290e39e04ddb7feb2bb2a2cc3b213ed
- https://git.kernel.org/stable/c/ec7f8337c98ad281020ad1f11ba492462d80737a
- https://git.kernel.org/stable/c/70bae48377a2c4296fd3caf4caf8f11079111019
- https://git.kernel.org/stable/c/1c62dc0d82c62f0dc8fcdc4843208e522acccaf5
- https://git.kernel.org/stable/c/3ced0fe6c0eff032733ea8b38778b34707270138
- https://git.kernel.org/stable/c/c6bf043b210eac67d35a114e345c4e5585672913
- https://git.kernel.org/stable/c/f5cacdc6f2bb2a9bf214469dd7112b43dd2dd68a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.323
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.227
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.168
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.285
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.113
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.55