CVE-2016-2547

5.1 MEDIUM
Published: April 27, 2016 Modified: May 06, 2026
View on NVD

Description

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b5a663aa426f4884c71cd8580adae73f33570f0d
Source: cve@mitre.org
Patch 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
Patch
http://www.securityfocus.com/bid/83378
Source: cve@mitre.org
http://www.securitytracker.com/id/1035298
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=1311566
Source: cve@mitre.org
https://github.com/torvalds/linux/commit/b5a663aa426f4884c71cd8580adae73f33570f0d
Source: cve@mitre.org
Patch Vendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b5a663aa426f4884c71cd8580adae73f33570f0d
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2016/dsa-3503
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2016/01/19/1
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://www.securityfocus.com/bid/83378
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1035298
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2929-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2929-2
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2930-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2930-2
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2930-3
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2931-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2932-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2967-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2967-2
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/show_bug.cgi?id=1311566
Source: af854a3a-2127-422b-91ae-364da2661108
https://github.com/torvalds/linux/commit/b5a663aa426f4884c71cd8580adae73f33570f0d
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory

40 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.1 / 10.0
EPSS (Exploit Probability)
0.1%
20th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-362

Affected Vendors

linux

Related CVEs

CVE-2026-8086 5.3
CVE-2026-8084 3.3
CVE-2026-8083 7.3
CVE-2026-44742 7.2
CVE-2026-44244 7.8