SB20260216136 - Input validation error in Linux kernel btrfs



SB20260216136 - Input validation error in Linux kernel btrfs

Published: February 16, 2026

Security Bulletin ID SB20260216136
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) Input validation error (CVE-ID: CVE-2026-23141)

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

The vulnerability exists due to improper input validation within the range_is_hole_in_parent() function in fs/btrfs/send.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.