CVE-2014-4655

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.

• CWE-190

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=82262a46627bebb0febcc26664746c25cef08563
• http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.htmlMailing List, Third 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
• http://secunia.com/advisories/60564Third Party Advisory
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2Release Notes, Vendor Advisory
• http://www.openwall.com/lists/oss-security/2014/06/26/6Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/68162Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1036763Third Party Advisory, VDB 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 Tracking, Third Party Advisory
• https://github.com/torvalds/linux/commit/82262a46627bebb0febcc26664746c25cef08563Patch, Third Party Advisory
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=82262a46627bebb0febcc26664746c25cef08563
• http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.htmlMailing List, Third 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
• http://secunia.com/advisories/60564Third Party Advisory
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2Release Notes, Vendor Advisory
• http://www.openwall.com/lists/oss-security/2014/06/26/6Mailing List, Third Party Advisory
• http://www.securityfocus.com/bid/68162Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1036763Third Party Advisory, VDB 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 Tracking, Third Party Advisory
• https://github.com/torvalds/linux/commit/82262a46627bebb0febcc26664746c25cef08563Patch, Third Party Advisory

Published

Jul 3, 2014

Last Modified

Jun 17, 2026

Status

Modified

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