Is CVE-2014-4656 being actively exploited?

CVE-2014-4656 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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

CVE-2014-4656 has a CVSS 2.0 base score of 4.6 (MEDIUM).

CVE-2014-4656

MEDIUM · CVSS 4.6EPSS 0.5%EU EUVD

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.

Key facts

CVSS score: 4.6 (v2.0)
Severity: MEDIUM
CVSS vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
Weakness (CWE): CWE-190
EPSS score: 0.5% (43th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-4582)
Published: July 3, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-4582 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
linux / linux kernel
redhat / enterprise linux desktop
redhat / enterprise linux eus
redhat / enterprise linux server
redhat / enterprise linux server aus
redhat / enterprise linux server tus
redhat / enterprise linux workstation
suse / linux enterprise server

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=883a1d49f0d77d30012f114b2e19fc141beb3e8e
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ac902c112d90a89e59916f751c2745f4dbdbb4bd
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html(Mailing List, Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2014-1083.html(Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2015-0087.html(Third Party Advisory)
http://secunia.com/advisories/59434(Third Party Advisory)
http://secunia.com/advisories/59777(Third Party Advisory)
http://secunia.com/advisories/60545(Third Party Advisory)
http://secunia.com/advisories/60564(Third Party Advisory)
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2(Release Notes, Vendor Advisory)
http://www.openwall.com/lists/oss-security/2014/06/26/6(Mailing List, Third Party Advisory)
http://www.securitytracker.com/id/1038201(Third Party Advisory, VDB Entry)
http://www.ubuntu.com/usn/USN-2334-1(Third Party Advisory)
http://www.ubuntu.com/usn/USN-2335-1(Third Party Advisory)
https://bugzilla.redhat.com/show_bug.cgi?id=1113470(Issue Tracking, Third Party Advisory)
https://github.com/torvalds/linux/commit/883a1d49f0d77d30012f114b2e19fc141beb3e8e(Patch, Third Party Advisory)
https://github.com/torvalds/linux/commit/ac902c112d90a89e59916f751c2745f4dbdbb4bd(Patch, Third Party Advisory)
https://source.android.com/security/bulletin/2017-04-01(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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