CVE-2016-4578 | BDVDB-2026-76139 Detail
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.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e4ec8cc8039a7063e24204299b462bd1383184a5
- http://www.ubuntu.com/usn/USN-3017-1
- https://www.exploit-db.com/exploits/46529/
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
- http://www.ubuntu.com/usn/USN-3017-3
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
- http://www.ubuntu.com/usn/USN-3018-2
- https://github.com/torvalds/linux/commit/e4ec8cc8039a7063e24204299b462bd1383184a5
- http://www.ubuntu.com/usn/USN-3021-2
- http://www.ubuntu.com/usn/USN-3017-2
- https://bugzilla.redhat.com/show_bug.cgi?id=1335215
- http://rhn.redhat.com/errata/RHSA-2016-2584.html
- http://rhn.redhat.com/errata/RHSA-2016-2574.html
- http://www.ubuntu.com/usn/USN-3019-1
Show all 31
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
- http://www.debian.org/security/2016/dsa-3607
- http://www.securityfocus.com/bid/90535
- http://www.ubuntu.com/usn/USN-3016-2
- http://www.ubuntu.com/usn/USN-3016-1
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
- http://www.ubuntu.com/usn/USN-3021-1
- http://www.ubuntu.com/usn/USN-3018-1
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6
- http://www.openwall.com/lists/oss-security/2016/05/11/5
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
- http://www.ubuntu.com/usn/USN-3016-3
- https://github.com/torvalds/linux/commit/9a47e9cff994f37f7f0dbd9ae23740d0f64f9fe6
- http://www.ubuntu.com/usn/USN-3016-4
- http://www.ubuntu.com/usn/USN-3020-1
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
Exploit#
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.