{"id":"CVE-2014-3153","kind":"vulnerability","aliases":["CVE-2014-3153"],"related":[],"title":"Linux Kernel: Linux Kernel Privilege Escalation Vulnerability","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.","summary":"The Linux kernel futex_requeue function does not check that its two futex addresses differ, letting a local user corrupt kernel state. A local attacker who can run code on the machine can gain root privileges.","severity":"high","cvss":7.8,"epss":0.37233,"exploited":true,"exploited_at":"2022-05-25T00:00:00+00:00","products":[{"name":"Linux Kernel","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","kubernetes","linux","self-hosted"],"not_affected_if":["no-local-untrusted-users","patched-kernel"],"how_to_check":null,"fix":"Update to a patched Linux kernel version per your distribution's vendor instructions, as CISA requires.","status":"open","published_at":"2014-06-07T14:55:27+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:13:03+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"infrastructure","confidence":0.7,"triage":{"at":"2026-10-23T21:13:03Z","model":"claude-haiku-5-5","output":{"fix":"Update to a patched Linux kernel version per your distribution's vendor instructions, as CISA requires.","reach":"local","impact":"high","summary":"The Linux kernel futex_requeue function does not check that its two futex addresses differ, letting a local user corrupt kernel state. A local attacker who can run code on the machine can gain root privileges.","category":"infrastructure","who_cares":["linux","self-hosted","kubernetes"],"confidence":0.7,"needs_auth":"yes","worst_case":"Local user gains root privileges on the kernel host.","analyst_note":"Find the fixed kernel versions per distro in the vendor advisories linked from the NVD entry for CVE-2014-3153; the sources give no version.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["patched-kernel","no-local-untrusted-users"],"user_interaction":"no","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.00045,"input_tokens":2828,"output_tokens":334,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2014':9A,12A '-3153':10A,13A '3.14.5':70C 'address':36B,80C 'allow':82C 'attack':47B 'call':75C 'check':31B 'code':51B 'command':93C 'corrupt':42B 'craft':90C 'cve':8A,11A 'differ':37B,78C 'ensur':73C 'escal':6A 'exploit':16B 'facilit':95C 'function':28B,62C 'futex':26B,35B,60C,79C,91C 'gain':56B,86C 'host':22B 'infrastructur':17B 'kernel':2A,4A,15A,25B,43B,68C 'kernel/futex.c':64C 'kubernet':18B 'let':38B 'linux':1A,3A,14A,19B,24B,67C 'local':40B,46B,83C 'machin':54B 'modif':98C 'privileg':5A,58B,87C 'requeu':27B,61C,92C 'root':57B 'run':50B 'self':21B 'self-host':20B 'state':44B 'two':34B,77C 'unsaf':96C 'user':41B,84C 'via':88C 'vulner':7A 'waiter':97C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2014-06-07T14:55:27+00:00","kev":{"dateAdded":"2022-05-25","dueDate":"2022-06-15","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2014-3153","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2014-3153","severity":null,"published_at":"2022-05-25T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T17:39:57+00:00","note":null},{"source":"epss","external_id":"CVE-2014-3153","url":"https://api.first.org/data/v1/epss?cve=CVE-2014-3153","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:45+00:00","fetched_at":"2026-10-23T19:13:45+00:00","note":null},{"source":"nvd","external_id":"CVE-2014-3153","url":"https://nvd.nist.gov/vuln/detail/CVE-2014-3153","severity":null,"published_at":"2014-06-07T14:55:27+00:00","modified_at":"2026-06-17T00:07:40+00:00","first_seen_at":"2026-10-23T21:57:35+00:00","fetched_at":"2026-10-23T21:57:35+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}