Detections
Analytics
CVE-2016-4578
medium
Description
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.
References
https://github.com/torvalds/linux/commit/e4ec8cc8039a7063e24204299b462bd1383184a5
https://github.com/torvalds/linux/commit/9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6
https://bugzilla.redhat.com/show_bug.cgi?id=1335215
http://www.ubuntu.com/usn/USN-3021-2
http://www.ubuntu.com/usn/USN-3021-1
http://www.ubuntu.com/usn/USN-3020-1
http://www.ubuntu.com/usn/USN-3019-1
http://www.ubuntu.com/usn/USN-3018-2
http://www.ubuntu.com/usn/USN-3018-1
http://www.ubuntu.com/usn/USN-3017-3
http://www.ubuntu.com/usn/USN-3017-2
http://www.ubuntu.com/usn/USN-3017-1
http://www.ubuntu.com/usn/USN-3016-4
http://www.ubuntu.com/usn/USN-3016-3
http://www.ubuntu.com/usn/USN-3016-2
http://www.ubuntu.com/usn/USN-3016-1
http://www.securityfocus.com/bid/90535
http://www.openwall.com/lists/oss-security/2016/05/11/5
http://www.debian.org/security/2016/dsa-3607
http://rhn.redhat.com/errata/RHSA-2016-2584.html
http://rhn.redhat.com/errata/RHSA-2016-2574.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html