Linux Kernel Privilege Escalation Vulnerability

Added to KEV
2022-05-25
Federal due date
2022-06-15
Vendor
Linux
Product
Kernel
EPSS
98.9th percentile (score 0.753, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2014-3153

CISA short description

The futex_requeue function in kernel/futex.c in Linux kernel does not ensure that calls have two different futex addresses, which allows local users to gain privileges.

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.