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CVE-2016-2549 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.2 MEDIUMVector:CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2ba1fe7a06d3624f9a7586d672b55f08f7c670f3	CVE	Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html	CVE
https://bugzilla.redhat.com/show_bug.cgi?id=1311570	CVE
https://github.com/torvalds/linux/commit/2ba1fe7a06d3624f9a7586d672b55f08f7c670f3	CVE
http://www.debian.org/security/2016/dsa-3503	CVE
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1	CVE
http://www.openwall.com/lists/oss-security/2016/01/19/1	CVE
http://www.securityfocus.com/bid/83382	CVE
http://www.ubuntu.com/usn/USN-2929-1	CVE
http://www.ubuntu.com/usn/USN-2929-2	CVE
http://www.ubuntu.com/usn/USN-2930-1	CVE
http://www.ubuntu.com/usn/USN-2930-2	CVE
http://www.ubuntu.com/usn/USN-2930-3	CVE
http://www.ubuntu.com/usn/USN-2931-1	CVE
http://www.ubuntu.com/usn/USN-2932-1	CVE
http://www.ubuntu.com/usn/USN-2967-1	CVE
http://www.ubuntu.com/usn/USN-2967-2	CVE
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2ba1fe7a06d3624f9a7586d672b55f08f7c670f3	[email protected]	Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html	[email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1311570	[email protected]
https://github.com/torvalds/linux/commit/2ba1fe7a06d3624f9a7586d672b55f08f7c670f3	[email protected]
http://www.debian.org/security/2016/dsa-3503	[email protected]
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1	[email protected]
http://www.openwall.com/lists/oss-security/2016/01/19/1	[email protected]
http://www.securityfocus.com/bid/83382	[email protected]
http://www.ubuntu.com/usn/USN-2929-1	[email protected]
http://www.ubuntu.com/usn/USN-2929-2	[email protected]
http://www.ubuntu.com/usn/USN-2930-1	[email protected]
http://www.ubuntu.com/usn/USN-2930-2	[email protected]
http://www.ubuntu.com/usn/USN-2930-3	[email protected]
http://www.ubuntu.com/usn/USN-2931-1	[email protected]
http://www.ubuntu.com/usn/USN-2932-1	[email protected]
http://www.ubuntu.com/usn/USN-2967-1	[email protected]
http://www.ubuntu.com/usn/USN-2967-2	[email protected]

see all 38 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-20	Improper Input Validation	[email protected]

Affected Products

Product	Versions
linux linux kernel	<= 4.4
CPE cpe:2.3:o:linux:linux_kernel:::::::: Remediation No remediation found in references.

Change History

9 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 6, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Dec 3, 2016	CVE Modified	[email protected]
Dec 1, 2016	CVE Modified	[email protected]
Nov 28, 2016	CVE Modified	[email protected]
May 4, 2016	Modified Analysis	[email protected]
May 3, 2016	Initial Analysis	[email protected]