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HIGH KEV

kernel: futex: pi futexes requeue issue

Published Jun 7, 2014 ·Due Jun 15, 2022

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.

Affected products

Remediation

Red Hat statement

This issue did not affect the versions of the Linux kernel packages as shipped with Red Hat Enterprise Linux 5. This issue requires local system access to be exploited. We are currently not aware of any working exploit for Red Hat Enterprise Linux 6 or Red Hat Enterprise MRG 2.

Metrics

Weaknesses (0)

No CWE recorded.

References (44)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner Chrome
Published Jun 7, 2014
Updated Oct 22, 2025
Reserved May 3, 2014
CISA Vulnrichment
Updated Feb 3, 2025
NVD
Status Analyzed
Modified Jun 17, 2026
Red Hat
Severity Important
Public date Jun 4, 2014