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Mend.io Vulnerability Database

CVE-2016-2543

Date: April 27, 2016

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.

Language: C

Severity Score

6.2

Related Resources (25)

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

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

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

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

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

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-2543

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

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

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

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

Url: https://security-tracker.debian.org/tracker/CVE-2016-2543

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

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

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

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

Url: https://github.com/torvalds/linux/commit/030e2c78d3a91dd0d27fef37e91950dde333eba1

Url: http://www.securityfocus.com/bid/83377

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

Url: https://access.redhat.com/security/cve/CVE-2016-2543

Url: http://www.securitytracker.com/id/1035304

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

Url: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=030e2c78d3a91dd0d27fef37e91950dde333eba1

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1311554

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-2543

Url: https://www.mend.io/vulnerability-database/CVE-2016-2543

Severity Score

6.2

CVSS v3.1

Base Score:	6.2
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.9
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	COMPLETE
Additional information:

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CVE-2016-2543

Date: April 27, 2016

Language: C

Severity Score

Related Resources (25)

Severity Score

CVSS v3.1

CVSS v2

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