SB2026011429 - Use-after-free in Linux kernel fuse



SB2026011429 - Use-after-free in Linux kernel fuse

Published: January 14, 2026

Security Bulletin ID SB2026011429
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2025-68805)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the fuse_uring_req_end() function in fs/fuse/dev_uring.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.