{"id":"CVE-2012-2136","details":"The sock_alloc_send_pskb function in net/core/sock.c in the Linux kernel before 3.4.5 does not properly validate a certain length value, which allows local users to cause a denial of service (heap-based buffer overflow and system crash) or possibly gain privileges by leveraging access to a TUN/TAP device.","modified":"2026-02-04T22:27:13.335761Z","published":"2012-08-09T10:29:46Z","related":["SUSE-SU-2015:0481-1"],"references":[{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2012-0743.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2012-1087.html"},{"type":"ADVISORY","url":"http://secunia.com/advisories/50807"},{"type":"ADVISORY","url":"http://ubuntu.com/usn/usn-1529-1"},{"type":"ADVISORY","url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/53721"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-1535-1"},{"type":"EVIDENCE","url":"https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=816289"},{"type":"WEB","url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc"}],"schema_version":"1.7.3"}