National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-2548 Detail

Current Description

sound/core/timer.c in the Linux kernel before 4.4.1 retains certain linked lists after a close or stop action, which allows local users to cause a denial of service (system crash) via a crafted ioctl call, related to the (1) snd_timer_close and (2) _snd_timer_stop functions.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.2 MEDIUM
Vector: AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 2.5


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 v2.0 Severity and Metrics:

Base Score: 4.9 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b5a663aa426f4884c71cd8580adae73f33570f0d Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
http://www.debian.org/security/2016/dsa-3503
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1
http://www.openwall.com/lists/oss-security/2016/01/19/1
http://www.securityfocus.com/bid/83383
http://www.securitytracker.com/id/1035306
http://www.ubuntu.com/usn/USN-2929-1
http://www.ubuntu.com/usn/USN-2929-2
http://www.ubuntu.com/usn/USN-2930-1
http://www.ubuntu.com/usn/USN-2930-2
http://www.ubuntu.com/usn/USN-2930-3
http://www.ubuntu.com/usn/USN-2931-1
http://www.ubuntu.com/usn/USN-2932-1
http://www.ubuntu.com/usn/USN-2967-1
http://www.ubuntu.com/usn/USN-2967-2
https://bugzilla.redhat.com/show_bug.cgi?id=1311568
https://github.com/torvalds/linux/commit/b5a663aa426f4884c71cd8580adae73f33570f0d Patch Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Improper Input Validation (CWE-20)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
4.4


Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-2548
NVD Published Date:
04/27/2016
NVD Last Modified:
09/06/2017