Is CVE-2014-4656 in the CISA KEV catalog?

No. CVE-2014-4656 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-4656?

CVE-2014-4656 has a CVSS v2 base score of 4.6 (MEDIUM).

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

CVE-2014-4656 has an EPSS score of 0.50% (39th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2014-4656?

Upgrade linux on debian 11 to 3.14.9-1 or later. Fixes are available for 10 affected products.

CVE & CISA-KEV Catalog

CVE-2014-4656

MEDIUM

4.6

CVSS v2

NVD

Description

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.

CWE-190Integer Overflow

How to fix

Remediation Available

linuxDebian

Fixed in:3.14.9-1CVE-2014-4656

linuxUbuntu

Fixed in:3.13.0-35.62USN-2337-1

linux-image-3.13.0-35-genericUbuntu

Fixed in:3.13.0-35.62USN-2337-1

linux-image-3.13.0-35-generic-lpaeUbuntu

Fixed in:3.13.0-35.62USN-2337-1

linux-image-3.13.0-35-lowlatencyUbuntu

Fixed in:3.13.0-35.62USN-2337-1

linux-image-3.13.0-35-powerpc-e500Ubuntu

Fixed in:3.13.0-35.62USN-2337-1

linux-image-3.13.0-35-powerpc-e500mcUbuntu

Fixed in:3.13.0-35.62USN-2337-1

linux-image-3.13.0-35-powerpc-smpUbuntu

Fixed in:3.13.0-35.62USN-2337-1

linux-image-3.13.0-35-powerpc64-embUbuntu

Fixed in:3.13.0-35.62USN-2337-1

linux-image-3.13.0-35-powerpc64-smpUbuntu

Fixed in:3.13.0-35.62USN-2337-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

0.50%probability of exploitation in 30 days

39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

Patch2

Vendor Advisory1

kernel.org

Third-Party Advisory13

Other references2

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.