SB2026020268 - Improper locking in Linux kernel android binder driver



SB2026020268 - Improper locking in Linux kernel android binder driver

Published: February 2, 2026

Security Bulletin ID SB2026020268
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper locking (CVE-ID: CVE-2025-71181)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the rust_shrink_free_page() function in drivers/android/binder/page_range.rs. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.