CVE-2016-2543

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

Description

The snd_seq_ioctl_remove_events function in sound/core/seq/seq_clientmgr.c in the Linux kernel before 4.4.1 does not verify FIFO assignment before proceeding with FIFO clearing, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted ioctl call.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
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

Patch Vendor Advisory Exploit Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=030e2c78d3a91dd0d27fef37e91950dde333eba1
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
Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/01/19/1
Source: cve@mitre.org
http://www.securityfocus.com/bid/83377
Source: cve@mitre.org
http://www.securitytracker.com/id/1035304
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=1311554
Source: cve@mitre.org
https://github.com/torvalds/linux/commit/030e2c78d3a91dd0d27fef37e91950dde333eba1
Source: cve@mitre.org
Patch Vendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=030e2c78d3a91dd0d27fef37e91950dde333eba1
Source: af854a3a-2127-422b-91ae-364da2661108
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
Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/01/19/1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/83377
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1035304
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=1311554
Source: af854a3a-2127-422b-91ae-364da2661108
https://github.com/torvalds/linux/commit/030e2c78d3a91dd0d27fef37e91950dde333eba1
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory

40 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.2 / 10.0
EPSS (Exploit Probability)
0.0%
13th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

linux