CVE-2016-2547 (NVD)

2016-04-27

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.

Products Linux_kernel
Type Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (CWE-362)
First patch https://github.com/torvalds/linux/commit/b5a663aa426f4884c71cd8580adae73f33570f0d
Relevant file/s ./sound/core/timer.c (modified, +14, -4)
Links • http://www.ubuntu.com/usn/USN-2930-3
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
• http://www.ubuntu.com/usn/USN-2967-2
• http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
• http://www.ubuntu.com/usn/USN-2932-1

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