{"id":"CVE-2016-4578","details":"sound/core/timer.c in the Linux kernel through 4.6 does not initialize certain r1 data structures, which allows local users to obtain sensitive information from kernel stack memory via crafted use of the ALSA timer interface, related to the (1) snd_timer_user_ccallback and (2) snd_timer_user_tinterrupt functions.","modified":"2026-03-15T22:22:14.660027Z","published":"2016-05-23T10:59:09.050Z","related":["MGASA-2016-0345","MGASA-2016-0364","SUSE-SU-2016:1672-1","SUSE-SU-2016:1690-1","SUSE-SU-2016:1937-1","SUSE-SU-2016:1985-1","SUSE-SU-2016:2105-1","SUSE-SU-2016:2245-1","SUSE-SU-2017:0333-1","openSUSE-SU-2024:10128-1"],"references":[{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3021-1"},{"type":"ADVISORY","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-2574.html"},{"type":"ADVISORY","url":"http://www.debian.org/security/2016/dsa-3607"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3016-4"},{"type":"ADVISORY","url":"https://github.com/torvalds/linux/commit/9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3018-2"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3021-2"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3017-1"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3016-2"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3017-2"},{"type":"ADVISORY","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e4ec8cc8039a7063e24204299b462bd1383184a5"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3016-1"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3020-1"},{"type":"ADVISORY","url":"https://github.com/torvalds/linux/commit/e4ec8cc8039a7063e24204299b462bd1383184a5"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-2584.html"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3017-3"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3018-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3019-1"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/90535"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-3016-3"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1335215"},{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2016/05/11/5"},{"type":"EVIDENCE","url":"https://www.exploit-db.com/exploits/46529/"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.6"}]},{"events":[{"introduced":"0"},{"last_affected":"12.04"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"15.10"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.3"}]},{"events":[{"introduced":"0"},{"last_affected":"7.4"}]},{"events":[{"introduced":"0"},{"last_affected":"7.6"}]},{"events":[{"introduced":"0"},{"last_affected":"7.3"}]},{"events":[{"introduced":"0"},{"last_affected":"7.4"}]},{"events":[{"introduced":"0"},{"last_affected":"7.5"}]},{"events":[{"introduced":"0"},{"last_affected":"7.6"}]},{"events":[{"introduced":"0"},{"last_affected":"7.3"}]},{"events":[{"introduced":"0"},{"last_affected":"7.6"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"42.1"}]},{"events":[{"introduced":"0"},{"last_affected":"13.1"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-4578.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}