What the vulnerability does

01Description

A flaw was found in the Linux kernel’s futex implementation. This flaw allows a local attacker to corrupt system memory or escalate their privileges when creating a futex on a filesystem that is about to be unmounted. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Key dates

02Disclosure timeline

December 3, 2020 CVE published
February 25, 2026 Record updated