CVE-2014-4655
MediumThe 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.
CVSS 2.0 score
4.9
AV:L/AC:L/Au:N/C:N/I:N/A:C
Weakness type
CWE-190CVE-2014-4655 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-2014-4655 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
-
Mailing List Third Party Advisory
-
Third Party Advisory
-
Third Party Advisory
-
Third Party Advisory
-
Third Party Advisory
-
Third Party Advisory
-
Release Notes Vendor Advisory
-
Mailing List Third Party Advisory
-
Securityfocushttp://www.securityfocus.com/bid/68162Third Party Advisory VDB Entry
-
Securitytrackerhttp://www.securitytracker.com/id/1036763Third Party Advisory VDB Entry
-
Ubuntu Securityhttp://www.ubuntu.com/usn/USN-2334-1Third Party Advisory
-
Ubuntu Securityhttp://www.ubuntu.com/usn/USN-2335-1Third Party Advisory
-
Issue Tracking Third Party Advisory
-
PatchKernel patch commithttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=82262a46627bebb0febcc26664746c25cef08563
-
PatchKernel patch commithttps://github.com/torvalds/linux/commit/82262a46627bebb0febcc26664746c25cef08563
Frequently asked questions
-
What is CVE-2014-4655?
CVE-2014-4655 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.9 out of 10 , classified as an Integer Overflow flaw (CWE-190) . CVE-2014-4655 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
-
What is the CVSS score for CVE-2014-4655?
CVE-2014-4655 has a CVSS score of 4.9 out of 10, rated Medium severity (CVSS 2.0). The vector string is
AV:L/AC:L/Au:N/C:N/I:N/A:C. -
Is there a patch available for CVE-2014-4655?
No patch is currently available for CVE-2014-4655. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
-
Is CVE-2014-4655 actively exploited?
No — CVE-2014-4655 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 →