{"id":"CVE-2014-3153","published":"2014-06-07T14:55:27Z","modified":"2026-06-17T00:07:40Z","title":"Linux Kernel Privilege Escalation Vulnerability","vendor":"Linux","product":"Kernel","tier":"core","eol":null,"description":{"text":"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.","provenance":"source","from":"NVD"},"summary":{"text":"The futex_requeue function in kernel/futex.c of the Linux kernel, through version 3.14.5, fails to ensure that its two futex addresses differ, a flaw in the Kernel product's futex handling. A local user with low privileges and no user interaction can send a crafted FUTEX_REQUEUE command to cause unsafe waiter modification and thereby gain elevated privileges.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:11:03Z"},"cvss":{"score":7.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.37233,"percentile":0.98519,"date":"2026-10-28","provenance":"source"},"kev":{"dateAdded":"2022-05-25","dueDate":"2022-06-15","ransomware":false,"requiredAction":"Apply updates per vendor instructions.","notes":"https://nvd.nist.gov/vuln/detail/CVE-2014-3153","provenance":"source"},"vulncheckKev":{"dateAdded":"2015-07-21","exploitedFirstSeen":"2015-07-21","ransomware":true,"evidence":[{"url":"https://resources.infosecinstitute.com/topic/the-hacking-team-hack-when-hackers-have-become-the-target/","date":"2015-07-21"},{"url":"https://threatpost.com/android-ransomware-attacks-using-towelroot-hacking-team-exploits/117655/","date":"2016-04-25"},{"url":"https://securelist.com/skygofree-following-in-the-footsteps-of-hackingteam/83603/","date":"2018-01-16"},{"url":"https://cybersecurityworks.com/pdf/ransomware/Spotlight_Ransomware2021.pdf","date":"2021-02-11"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2022-05-25"}],"evidenceTotal":5,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 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2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-269","name":"Improper Privilege Management"}],"references":[{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e9c243a5a6de0be8e584c604d353412584b592f8","tags":["Broken Link"]},{"url":"http://linux.oracle.com/errata/ELSA-2014-0771.html","tags":["Third Party Advisory"]},{"url":"http://linux.oracle.com/errata/ELSA-2014-3037.html","tags":["Third Party Advisory"]},{"url":"http://linux.oracle.com/errata/ELSA-2014-3038.html","tags":["Third Party Advisory"]},{"url":"http://linux.oracle.com/errata/ELSA-2014-3039.html","tags":["Third Party 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command","start":149,"end":222}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1548","name":"Abuse Elevation Control Mechanism","tactics":["privilege-escalation"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: unsafe waiter modification abuses privilege mechanism","mappingType":"primary_impact","evidence":[{"from":"description","quote":"does not ensure that calls have two different futex addresses","start":80,"end":141}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2014-3171","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2014-3171","exploited":true,"exploitedSince":"2022-05-25","provenance":"source"},"exploits":[{"id":35370,"url":"https://www.exploit-db.com/exploits/35370","title":"Linux Kernel 3.14.5 (CentOS 7 / RHEL) - 'libfutex' Local Privilege Escalation","type":"local","platform":"linux","date":"2014-11-25","verified":false,"provenance":"source"}],"exploitSources":{"exploitdb":{"count":1,"earliest":"2014-11-25"},"pocGithub":{"count":10,"skipped":0,"earliest":"2014-07-24","earliestUrl":"https://github.com/timwr/CVE-2014-3153","repos":[{"name":"timwr/CVE-2014-3153","url":"https://github.com/timwr/CVE-2014-3153","stars":124,"created":"2014-07-24"},{"name":"geekben/towelroot","url":"https://github.com/geekben/towelroot","stars":46,"created":"2014-09-20"},{"name":"dangtunguyen/TowelRoot","url":"https://github.com/dangtunguyen/TowelRoot","stars":21,"created":"2018-09-27"},{"name":"android-rooting-tools/libfutex_exploit","url":"https://github.com/android-rooting-tools/libfutex_exploit","stars":19,"created":"2014-09-13"},{"name":"lieanu/CVE-2014-3153","url":"https://github.com/lieanu/CVE-2014-3153","stars":18,"created":"2015-01-12"}]},"metasploit":[{"name":"Android 'Towelroot' Futex Requeue Kernel Exploit","module":"exploit/android/local/futex_requeue","type":"exploit","disclosureDate":"2014-05-03","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/android/local/futex_requeue.rb"}],"first":{"date":"2014-05-03","source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/android/local/futex_requeue.rb"},"provenance":"source"},"exploitRefs":["http://www.debian.org/security/2014/dsa-2949","https://elongl.github.io/exploitation/2021/01/08/cve-2014-3153.html","http://www.exploit-db.com/exploits/35370"],"flow":[{"stage":"exploitation","techniques":["T1068"],"provenance":"ai"},{"stage":"primary","techniques":["T1548"],"provenance":"ai"}],"timeline":[{"date":"2014-05-03","kind":"exploit-public","label":"First public exploit: Metasploit; later: PoC-in-GitHub 2014-07-24, Exploit-DB 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KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 4118 days ago"},{"name":"Known ransomware use","points":10.0,"detail":"CISA KEV and VulnCheck KEV: Known"},{"name":"EPSS percentile","points":19.7,"detail":"percentile 0.9852"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"2 NVD references tagged Exploit; 1 Exploit-DB entry; 1 NVD exploit link; 10 PoC-in-GitHub repos; 1 Metasploit module"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":5.46,"detail":"base score 7.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}