SB20251001202 - Input validation error in Linux kernel jfs
Published: October 1, 2025 Updated: October 27, 2025
Security Bulletin ID
SB20251001202
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) Input validation error (CVE-ID: CVE-2023-53457)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the jfs_link() function in fs/jfs/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/1b4c144767736221cad92c132f72b3c6ed06a0ea
- https://git.kernel.org/stable/c/2a3f20efe6c901d4c0871cfd1d8c65e2ade71fc1
- https://git.kernel.org/stable/c/3e5eb6c5ecd8ddb9cfea751cf30f9e23eac97ca3
- https://git.kernel.org/stable/c/3e94d0d378d2754b26fc54b429582553f7b53e15
- https://git.kernel.org/stable/c/47cfdc338d674d38f4b2f22b7612cc6a2763ba27
- https://git.kernel.org/stable/c/a7225e9e09519deb7e0c42eb6070029cc456e84d
- https://git.kernel.org/stable/c/a7d17d6bd7cd4f6940b335ea7a6fce5b6d22adc2
- https://git.kernel.org/stable/c/fd2db13fb72ff18c633a48229589d42ceb89d1f8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.7