Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 5.0 | linux-2.6 | 2.6.26-26lenny4 | DSA-2310-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | perf +13 | 2.6.32-71.29.1.el6 | RHSA-2011:0498 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | kernel-source | 4.8.13-1.1 | openSUSE-SU-2024:10128-1 |
Advisories 3
- RHSA-2011:0498 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2310-1 linux-2.6 - several issues Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10128-1 kernel-debug-4.8.13-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- USN-1146-1 vendor-advisory
- [oss-security] 20110216 Re: kernel: ALSA: caiaq - Fix possible string-buffer overflow mailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=677881
- kernel-usbdevice-bo(65461) vdb-entry
- 46419 vdb-entry
- [oss-security] 20110216 kernel: ALSA: caiaq - Fix possible string-buffer overflow mailing-list
- http://git.kernel.org/?p=linux/kernel/git/tiwai/sound-2.6.git%3Ba=commit%3Bh=eaae55dac6b64c0616046436b294e69fc5311581
- http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.38-rc4-next-20110215.bz2
- [oss-security] 20110216 Re: kernel: ALSA: caiaq - Fix possible string-buffer overflow mailing-list