CVE-2016-2547 | BDVDB-2026-75556 Detail
Description#
sound/core/timer.c in the Linux kernel before 4.4.1 employs a locking approach that does not consider slave timer instances, which allows local users to cause a denial of service (race condition, use-after-free, and system crash) via a crafted ioctl call.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- http://www.ubuntu.com/usn/USN-2930-1
- http://www.ubuntu.com/usn/USN-2967-1
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1
- https://bugzilla.redhat.com/show_bug.cgi?id=1311566
- http://www.ubuntu.com/usn/USN-2930-2
- https://github.com/torvalds/linux/commit/b5a663aa426f4884c71cd8580adae73f33570f0d
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b5a663aa426f4884c71cd8580adae73f33570f0d
- http://www.debian.org/security/2016/dsa-3503
- http://www.securityfocus.com/bid/83378
- http://www.ubuntu.com/usn/USN-2967-2
- http://www.openwall.com/lists/oss-security/2016/01/19/1
- http://www.ubuntu.com/usn/USN-2930-3
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
- http://www.ubuntu.com/usn/USN-2929-1
- http://www.ubuntu.com/usn/USN-2932-1
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.