{"id":"CVE-2012-3375","url":"https://www.cyber-defence.io/tools/cve/CVE-2012-3375","generatedAt":"2026-10-27T18:46:43.089Z","title":"The epoll_ctl system call in fs/eventpoll.c in the Linux kernel before 3.2.24 does not properly handle ELOOP errors in EPOLL_CTL_ADD operations, which allows local users to cause a denial of service (file-descriptor consumption and system crash) via a…","description":"The epoll_ctl system call in fs/eventpoll.c in the Linux kernel before 3.2.24 does not properly handle ELOOP errors in EPOLL_CTL_ADD operations, which allows local users to cause a denial of service (file-descriptor consumption and system crash) via a crafted application that attempts to create a circular epoll dependency.  NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-1083.","published":"2012-10-03T11:02:56.000Z","lastModified":"2026-06-16T23:43:06.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":4.9,"severity":"MEDIUM","vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C"},"cwe":[],"affected":["linux/linux kernel"],"epss":{"score":0.01017,"percentile":0.6308,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2012-07-05","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":19605,"kind":"exploit","title":"Linux Kernel 3.2.24 - 'fs/eventpoll.c' Local Denial of Service","url":"https://www.exploit-db.com/exploits/19605","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/19605.c","file":"exploits/linux/dos/19605.c","published":"2012-07-05","added":"2012-07-05","updated":"2016-09-04","author":"Yurij M. Plotnikov","type":"dos","platform":"linux","port":null,"verified":true,"codes":["CVE-2012-3375","OSVDB-83687"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"high","text":"A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 1.0%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=13d518074a952d33d47c428419693f63389547e9","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/51164","source":"secalert@redhat.com"},{"url":"http://ubuntu.com/usn/usn-1529-1","source":"secalert@redhat.com"},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.24","source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2012/07/04/2","source":"secalert@redhat.com"},{"url":"http://www.securitytracker.com/id?1027237","source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=837502","source":"secalert@redhat.com"},{"url":"https://downloads.avaya.com/css/P8/documents/100165733","source":"secalert@redhat.com"},{"url":"https://github.com/torvalds/linux/commit/13d518074a952d33d47c428419693f63389547e9","tags":["Exploit"],"source":"secalert@redhat.com"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=13d518074a952d33d47c428419693f63389547e9","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/51164","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://ubuntu.com/usn/usn-1529-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.24","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2012/07/04/2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1027237","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=837502","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://downloads.avaya.com/css/P8/documents/100165733","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/torvalds/linux/commit/13d518074a952d33d47c428419693f63389547e9","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-3375","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}