CVE-2016-2546

Published: Apr 27, 2016Modified: May 6, 2026

5.1

Vector

CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 1.4 / Impact: 3.6

Source: NVD

Description

sound/core/timer.c in the Linux kernel before 4.4.1 uses an incorrect type of mutex, which allows local users to cause a denial of service (race condition, use-after-free, and system crash) via a crafted ioctl call.

Affected (1)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	Up to 4.4

Related CWEs

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (40)

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=af368027a49a751d6ff4ee9e3f9961f35bb4fede

Source: cve@mitre.org

Patch

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html

Source: cve@mitre.org

http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html

Source: cve@mitre.org

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html

Source: cve@mitre.org

http://www.debian.org/security/2016/dsa-3503

Source: cve@mitre.org

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1

Source: cve@mitre.org

PatchVendor Advisory

http://www.openwall.com/lists/oss-security/2016/01/19/1

Source: cve@mitre.org

Patch

http://www.securityfocus.com/bid/83384

Source: cve@mitre.org

http://www.securitytracker.com/id/1035301

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2929-1

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2929-2

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2930-1

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2930-2

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2930-3

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2931-1

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2932-1

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2967-1

Source: cve@mitre.org

http://www.ubuntu.com/usn/USN-2967-2

Source: cve@mitre.org

https://bugzilla.redhat.com/show_bug.cgi?id=1311564

Source: cve@mitre.org

https://github.com/torvalds/linux/commit/af368027a49a751d6ff4ee9e3f9961f35bb4fede

Source: cve@mitre.org

Patch

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=af368027a49a751d6ff4ee9e3f9961f35bb4fede