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CVE-2016-2543 Details

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.

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

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=030e2c78d3a91dd0d27fef37e91950dde333eba1	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=1311554	CVE
https://github.com/torvalds/linux/commit/030e2c78d3a91dd0d27fef37e91950dde333eba1	CVE	PatchVendor Advisory
http://www.debian.org/security/2016/dsa-3503	CVE
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1	CVE	Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/01/19/1	CVE
http://www.securityfocus.com/bid/83377	CVE
http://www.securitytracker.com/id/1035304	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=030e2c78d3a91dd0d27fef37e91950dde333eba1	[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=1311554	[email protected]
https://github.com/torvalds/linux/commit/030e2c78d3a91dd0d27fef37e91950dde333eba1	[email protected]	PatchVendor Advisory
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]	Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/01/19/1	[email protected]
http://www.securityfocus.com/bid/83377	[email protected]
http://www.securitytracker.com/id/1035304	[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 40 references

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-Other	Weakness Not in a Standard CWE Category	[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

10 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]
Sep 7, 2017	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 6, 2016	Modified Analysis	[email protected]
May 4, 2016	Initial Analysis	[email protected]