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CVE-2014-3153

High 7.8 Exploited in the wild (KEV)

Confirmed active exploitation — CISA KEV catalog

Name
Linux Kernel Privilege Escalation Vulnerability
Added to catalog
Remediation due date (US federal)
Required action
Apply updates per vendor instructions.

Description

The futex_requeue function in kernel/futex.c in the Linux kernel through 3.14.5 does not ensure that calls have two different futex addresses, which allows local users to gain privileges via a crafted FUTEX_REQUEUE command that facilitates unsafe waiter modification.

Metrics

CVSS 3.1
7.8 (HIGH) Score source: NVD CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS — exploit probability
37% (percentile: 99) as of 1 November 2026

Affected products

linux: linux kernel; redhat: enterprise linux server aus; opensuse: opensuse; suse: linux enterprise desktop; suse: linux enterprise high availability extension; suse: linux enterprise real time extension; suse: linux enterprise server; canonical: ubuntu linux; oracle: linux

References