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[ CVE-2014-3153 · Published 7 Jun 2014 ]

Linux Kernel Privilege Escalation Vulnerability

Exploited · CISA KEV CVSS 7.8 EPSS 37%Fix available

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-05-25
  • EPSS: 37% chance of exploitation in the next 30 days (higher than 99% of CVEs)

[ Description ]Official 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.

CISA: 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.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 15 Jun 2022): Apply updates per vendor instructions.

[ References ]References