{"id":"CVE-2015-3636","details":"The ping_unhash function in net/ipv4/ping.c in the Linux kernel before 4.0.3 does not initialize a certain list data structure during an unhash operation, which allows local users to gain privileges or cause a denial of service (use-after-free and system crash) by leveraging the ability to make a SOCK_DGRAM socket system call for the IPPROTO_ICMP or IPPROTO_ICMPV6 protocol, and then making a connect system call after a disconnect.","modified":"2026-01-27T04:15:01.146220Z","published":"2015-08-06T01:59:00Z","withdrawn":"2026-01-27T04:15:01.146220Z","related":["MGASA-2015-0210","MGASA-2015-0219","MGASA-2015-0221","SUSE-RU-2015:0621-1","SUSE-SU-2015:0581-1","SUSE-SU-2015:0736-1","SUSE-SU-2015:1071-1","SUSE-SU-2015:1174-1","SUSE-SU-2015:1224-1","SUSE-SU-2015:1376-1","SUSE-SU-2015:1478-1","SUSE-SU-2015:1487-1","SUSE-SU-2015:1488-1","SUSE-SU-2015:1489-1","SUSE-SU-2015:1491-1"],"references":[{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2015-1221.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2015-1534.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2015-1564.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2015-1583.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2015-1643.html"},{"type":"ADVISORY","url":"http://www.debian.org/security/2015/dsa-3290"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2631-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2632-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2633-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2634-1"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/a134f083e79fb4c3d0a925691e732c56911b4326"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1218074"},{"type":"WEB","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a134f083e79fb4c3d0a925691e732c56911b4326"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157788.html"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/157897.html"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158804.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00007.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00008.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00009.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00011.html"},{"type":"WEB","url":"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.3"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2015/05/02/5"},{"type":"WEB","url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html"},{"type":"WEB","url":"http://www.securityfocus.com/bid/74450"},{"type":"WEB","url":"http://www.securitytracker.com/id/1033186"}],"schema_version":"1.7.3"}