CVE-2016-2549

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

6.2

Vector

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

Exploitability: 2.5 / Impact: 3.6

Source: NVD

Description

sound/core/hrtimer.c in the Linux kernel before 4.4.1 does not prevent recursive callback access, which allows local users to cause a denial of service (deadlock) 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-20

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (38)

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2ba1fe7a06d3624f9a7586d672b55f08f7c670f3

Source: cve@mitre.org

Vendor Advisory

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

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

Source: cve@mitre.org

http://www.securityfocus.com/bid/83382

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=1311570

Source: cve@mitre.org

https://github.com/torvalds/linux/commit/2ba1fe7a06d3624f9a7586d672b55f08f7c670f3

Source: cve@mitre.org

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2ba1fe7a06d3624f9a7586d672b55f08f7c670f3