SB2026011471 - Improper error handling in Linux kernel ocfs2
Published: January 14, 2026
Security Bulletin ID
SB2026011471
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 error handling (CVE-ID: CVE-2025-68771)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the ocfs2_claim_suballoc_bits() function in fs/ocfs2/suballoc.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/039bef30e320827bac8990c9f29d2a68cd8adb5f
- https://git.kernel.org/stable/c/7acc0390e0dd7474c4451d05465a677d55ad4268
- https://git.kernel.org/stable/c/96f1b074c98c20f55a3b23d2ab44d9fb0f619869
- https://git.kernel.org/stable/c/b08a33d5f80efe6979a6e8f905c1a898910c21dd
- https://git.kernel.org/stable/c/e24aedae71652d4119049f1fbef6532ccbe3966d