{"id":"CVE-2016-2543","details":"The snd_seq_ioctl_remove_events function in sound/core/seq/seq_clientmgr.c in the Linux kernel before 4.4.1 does not verify FIFO assignment before proceeding with FIFO clearing, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted ioctl call.","modified":"2026-03-15T22:05:59.668003Z","published":"2016-04-27T17:59:12.913Z","related":["SUSE-SU-2016:0911-1","SUSE-SU-2016:1102-1","SUSE-SU-2016:1203-1","SUSE-SU-2016:2074-1"],"references":[{"type":"WEB","url":"http://www.securitytracker.com/id/1035304"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html"},{"type":"WEB","url":"http://www.securityfocus.com/bid/83377"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2016/01/19/1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2929-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2967-2"},{"type":"ADVISORY","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=030e2c78d3a91dd0d27fef37e91950dde333eba1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2967-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2929-2"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2930-3"},{"type":"ADVISORY","url":"http://www.debian.org/security/2016/dsa-3503"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2930-2"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2931-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2932-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2930-1"},{"type":"ADVISORY","url":"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1311554"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/030e2c78d3a91dd0d27fef37e91950dde333eba1"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.4"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-2543.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}