SB2025050464 - Improper locking in Linux kernel ext4
Published: May 4, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025050464
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-2023-53129)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the ext4_rename() and ext4_journal_stop() functions in fs/ext4/namei.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/2ef7f829214fa8f428d953b49557b89b2b02db66
- https://git.kernel.org/stable/c/352c728653a1179ce7bb37a4c8aa8404d83914a2
- https://git.kernel.org/stable/c/3c92792da8506a295afb6d032b4476e46f979725
- https://git.kernel.org/stable/c/6b06c4ae64e3557a19b3bb0b6dbf641bc41fc218
- https://git.kernel.org/stable/c/a2bc806e95bde8de3a0d675051d9ae78dcf6c691
- https://git.kernel.org/stable/c/b113f90204479f55a17295bedf0cc966a60c7a56
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.175