What is CVE-2014-4656?

CVE-2014-4656 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.6 out of 10, classified as a Integer Overflow flaw (CWE-190). CVE-2014-4656 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2014-4656?

CVE-2014-4656 has a CVSS score of 4.6 out of 10, rated Medium severity. The vector string is AV:L/AC:L/Au:N/C:P/I:P/A:P.

Is there a patch available for CVE-2014-4656?

No patch is currently available for CVE-2014-4656. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2014-4656 actively exploited?

CVE-2014-4656 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Integer Overflow (CWE-190)?

The product performs a calculation that can produce an integer overflow, leading to unexpected values. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/190.html

CVE-2014-4656

Medium

Multiple integer overflows in sound/core/control.c in the ALSA control implementation in the Linux kernel before 3.15.2 allow local users to cause a denial of service by leveraging /dev/snd/controlCX access, related to (1) index values in the snd_ctl_add function and (2) numid values in the snd_ctl_remove_numid_conflict function.

Package Linux Kernel

Published 2014-07-03

Last modified 2026-05-06

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

4.6

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

Availability

Vector string

AV:L/AC:L/Au:N/C:P/I:P/A:P

Weakness type

CWE-190

CVE-2014-4656 is a Integer Overflow vulnerability

What is Integer Overflow?

The product performs a calculation that can produce an integer overflow, leading to unexpected values. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2014-4656 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html

Mailing List Third Party Advisory
Red Hat
http://rhn.redhat.com/errata/RHSA-2014-1083.html

Third Party Advisory
Red Hat
http://rhn.redhat.com/errata/RHSA-2015-0087.html

Third Party Advisory
Secunia
http://secunia.com/advisories/59434

Third Party Advisory
Secunia
http://secunia.com/advisories/59777

Third Party Advisory
Secunia
http://secunia.com/advisories/60545

Third Party Advisory
Secunia
http://secunia.com/advisories/60564

Third Party Advisory
Kernel.org
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2

Release Notes Vendor Advisory
Openwall
http://www.openwall.com/lists/oss-security/2014/06/26/6

Mailing List Third Party Advisory
Securitytracker
http://www.securitytracker.com/id/1038201

Third Party Advisory VDB Entry
Ubuntu Security
http://www.ubuntu.com/usn/USN-2334-1

Third Party Advisory
Ubuntu Security
http://www.ubuntu.com/usn/USN-2335-1

Third Party Advisory
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1113470

Issue Tracking Third Party Advisory
Source
https://source.android.com/security/bulletin/2017-04-01

Third Party Advisory
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=883a1d49f0d77d30012f114b2e19fc141beb3e8e
Patch
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ac902c112d90a89e59916f751c2745f4dbdbb4bd
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/883a1d49f0d77d30012f114b2e19fc141beb3e8e
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2014-4656

Severity Medium

CVSS score 4.6 / 10

CVSS version 2.0

Published 2014-07-03

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2014-4656?

CVE-2014-4656 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.6 out of 10 , classified as an Integer Overflow flaw (CWE-190) . CVE-2014-4656 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2014-4656?

CVE-2014-4656 has a CVSS score of 4.6 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:P/I:P/A:P.
Is there a patch available for CVE-2014-4656?

No patch is currently available for CVE-2014-4656. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2014-4656 actively exploited?

No — CVE-2014-4656 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Integer Overflow (CWE-190)?

The product performs a calculation that can produce an integer overflow, leading to unexpected values. View CWE-190 on MITRE CWE →