CVE-2016-2549

MEDIUM

Linux Kernel < 4.4 - Denial of Service via Recursive Callback in hrtimer.c

Title source: llm

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.

References (19)

Core 19

Core References

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

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

Vendor Advisory vendor-advisory x_refsource_ubuntu

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

Vendor Advisory x_refsource_confirm

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

Vendor Advisory vendor-advisory x_refsource_ubuntu

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

Patch x_refsource_confirm

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

Third Party Advisory vendor-advisory x_refsource_debian

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

Issue Tracking x_refsource_confirm

https://bugzilla.redhat.com/show_bug.cgi?id=1311570

Vendor Advisory vendor-advisory x_refsource_ubuntu

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

Mailing List mailing-list x_refsource_mlist

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

Vendor Advisory vendor-advisory x_refsource_ubuntu

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

Vendor Advisory x_refsource_confirm

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

Mailing List vendor-advisory x_refsource_suse

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

Vendor Advisory vendor-advisory x_refsource_ubuntu

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

Vendor Advisory vendor-advisory x_refsource_ubuntu

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

Mailing List vendor-advisory x_refsource_suse

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

Vendor Advisory vendor-advisory x_refsource_ubuntu

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

Vendor Advisory vendor-advisory x_refsource_ubuntu

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

Mailing List vendor-advisory x_refsource_suse

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

Vendor Advisory vendor-advisory x_refsource_ubuntu

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

Scores

CVSS v3 6.2

EPSS 0.0048

EPSS Percentile 38.0%

Attack Vector LOCAL

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

Details

CWE

CWE-20

Status published

Products (1)

linux/linux_kernel < 4.4

Published Apr 27, 2016

Tracked Since Feb 18, 2026