Public Date:
677881: CVE-2011-0712 kernel: ALSA: caiaq - Fix possible string-buffer overflow

The MITRE CVE dictionary describes this issue as:

Multiple buffer overflows in the caiaq Native Instruments USB audio functionality in the Linux kernel before 2.6.38-rc4-next-20110215 might allow attackers to cause a denial of service or possibly have unspecified other impact via a long USB device name, related to (1) the snd_usb_caiaq_audio_init function in sound/usb/caiaq/audio.c and (2) the snd_usb_caiaq_midi_init function in sound/usb/caiaq/midi.c.

Find out more about CVE-2011-0712 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue did not affect the Linux kernel as shipped with Red Hat Enterprise Linux 4 and 5 as they did not backport the driver for Native Instruments USB audio devices. It did not affect the Linux kernel as shipped with Red Hat Enterprise MRG as it did not enable support for this driver. This has been addressed in Red Hat Enterprise Linux 6 via

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 6.2
Base Metrics AV:L/AC:H/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity High
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux version 6 (kernel) RHSA-2011:0498 2011-05-10


Red Hat would like to thank Rafael Dominguez Vega for reporting this issue.