SB2026011435 - Use-after-free in Linux kernel xfs scrub
Published: January 14, 2026
Security Bulletin ID
SB2026011435
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2025-68784)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the xrep_xattr_salvage_remote_attr() function in fs/xfs/scrub/attr_repair.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.