CVE-2014-4655

Home/CVE/The snd_ctl_elem_add function in sound/core/control.c in the ALSA control implementation in the Linux kernel before 3.15

CVE

The snd_ctl_elem_add function in sound/core/control.c in the ALSA control implementation in the Linux kernel before 3.15

The snd_ctl_elem_add function in sound/core/control.c in the ALSA control implementation in the Linux kernel before 3.15.2 does not properly maintain the user_ctl_count value, which allows local users to cause a denial of service (integer overflow and limit bypass) by leveraging /dev/snd/controlCX access for a large number of SNDRV_CTL_IOCTL_ELEM_REPLACE ioctl calls.

MEDIUM · CVSS 4.9 EPSS 0.00038

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-190Integer Overflow or Wraparound

▤

Affected Products & Versions

linux kernel< 3.15.2
suse linux enterprise serverall versions
canonical ubuntu linuxall versions

▣

Scoring & Timeline

4.9

MEDIUM · CVSS v2 (legacy) · cve@mitre.org

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

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

Published to NVD03 Jul 2014 · 04:22 AM

⚑

Vendor Advisories

android-securityANDROID-2016-09-01High
rhsaRHSA-2014:1392Moderate
rhsaRHSA-2014:1971Important
suse-csafSUSE-SU-2015:0736-1
suse-csafSUSE-SU-2015:1376-1
Show all 17 vendor advisoriessuse-csafsuse-ru-2015_0621-1
suse-csafSUSE-SU-2015:0581-1
suse-csafSUSE-SU-2015:1174-1
usnUSN-2337-1
usnUSN-2336-1
usnUSN-2335-1
usnUSN-2334-1
usnUSN-2333-1
usnUSN-2332-1
rhsaRHSA-2014:1083Important
suse-csafSUSE-SU-2015:0481-1
suse-csafSUSE-SU-2015:0652-1

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git

http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.htmlMailing ListThird Party Advisory

http://rhn.redhat.com/errata/RHSA-2014-1083.htmlThird Party Advisory

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

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

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

Show all 15 references

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

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2Release NotesVendor Advisory

http://www.openwall.com/lists/oss-security/2014/06/26/6Mailing ListThird Party Advisory

http://www.securityfocus.com/bid/68162Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1036763Third Party AdvisoryVDB Entry

http://www.ubuntu.com/usn/USN-2334-1Third Party Advisory

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

https://bugzilla.redhat.com/show_bug.cgi?id=1113445Issue TrackingThird Party Advisory

https://github.com/torvalds/linux/commit/82262a46627bebb0febcc26664746c25cef08563PatchThird Party Advisory

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