CVE DATABASE / CVE-2014-3153
CVE-2014-3153
Linux Kernel Privilege Escalation Vulnerability
CVSS 7.8 · HIGH
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2022-05-25.
Federal remediation due 2022-06-15.
Required action: Apply updates per vendor instructions.
Summary
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.
CVSS 3.1 breakdown
| Base score | 7.8 (HIGH) |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Affected products
Linux linux kernelRedhat enterprise linux server ausOpensuse opensuseSuse linux enterprise desktopSuse linux enterprise high availability extensionSuse linux enterprise real time extensionSuse linux enterprise serverCanonical ubuntu linuxOracle linux
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References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e9c243a5a6de0be8e584c604d353412584b592f8
- http://linux.oracle.com/errata/ELSA-2014-0771.html
- http://linux.oracle.com/errata/ELSA-2014-3037.html
- http://linux.oracle.com/errata/ELSA-2014-3038.html
- http://linux.oracle.com/errata/ELSA-2014-3039.html
- http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00025.html
- http://lists.opensuse.org/opensuse-security-announce/2014-07/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html
- http://openwall.com/lists/oss-security/2014/06/05/24
- http://openwall.com/lists/oss-security/2014/06/06/20
- http://rhn.redhat.com/errata/RHSA-2014-0800.html
- http://secunia.com/advisories/58500
Data: NIST NVD + CISA KEV. NVD last modified 2026-04-21. Always verify against the vendor advisory before acting.