EUVD-2026-71279

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: fix OOB write in sndusbmidinovationoutput sndusbmidinovationoutput lays out a two-byte header at transferbuffer0..1 and passes &transferbuffer2 together with a length of ep-maxtransfer - 2 to sndrawmiditransmit:...

CVE-2026-80829

CVE-2026-80829 is an out-of-bounds write in the Linux kernel 's ALSA usb-audio subsystem, specifically in snd_usbmidi_novation_output(). A malformed or malicious USB device can advertise a bulk OUT endpoint with a wMaxPacketSize of 1, causing the length passed to snd_rawmidi_transmit() to become ...

EUVD-2026-71278

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Complete cleanup after system-resume errors A failed system resume can leave the card unusable until reboot. usbaudioresume jumps to errout when sndusbpcmresume or sndusbmixerresume fails. The error path skips th...

CVE-2026-80828

CVE-2026-80828 affects the Linux kernel ALSA usb-audio subsystem. When usb_audio_resume() encounters a failure in snd_usb_pcm_resume() or snd_usb_mixer_resume() during system resume, it jumps to err_out, skipping the out: block that restores D0 power state and decrements chip->num_suspended_in...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098690)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098690 advisory. In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Kill timer properly at removal The USB-audio MIDI code initializes the timer, bu...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-099002)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099002 advisory. In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Add sanity check for OOB writes at silencing At silencing the playback URB packe...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098948)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098948 advisory. In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: stop parsing UAC2 rates at MAXNRRATES parseuac2sampleraterange caps the number o...

The vulnerabilities of the functions usb6fire_chip_abort() and usb6fire_chip_disconnect() in the sound/usb/6fire/chip.c module of the Linux kernel’s sound subsystem allow attackers to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the functions usb6firechipabort and usb6firechipdisconnect in the sound subsystem of the Linux operating system’s kernel lies in the repeated use of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, an...

The vulnerability of the `prepare_playback_urb()` function in the sound/usb/pcm.c module, which supports USB audio devices in Linux operating systems, allows a hacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the prepareplaybackurb function in the sound/usb/pcm.c module, which supports USB audio devices in Linux operating systems, is related to the execution of operations outside of the buffer in memory. Exploiting this vulnerability could allow an attacker to compromise the...

CVE-2026-74682

A flaw was found in the Linux kernel's ALSA Advanced Linux Sound Architecture USB audio driver. This vulnerability involves an out-of-bounds write, where the system attempts to write data beyond the allocated memory buffer. This occurs due to incorrect buffer sizing when processing data from...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Validating UAC3 cluster segment descriptors UAC3 class segment descriptors need to be verified to ensure that their sizes match the declared lengths, and that they fit within the allocated buffer sizes as well...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Remove sndBUGON from sndusbmidioutputopen The function sndusbmidioutputopen includes a check for the NULL port, which involves calling sndBUGON. The use of sndBUGON was intended to prevent such issues from...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Validating UAC3 power domain descriptors as well. The UAC3 power domain descriptors also need to be verified using their variable bLength, in order to avoid unexpected out-of-band OOB accesses by malicious firmwa...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fixed potential overflow of PCM transfer buffer The PCM stream data in the USB-audio driver is transferred via USB URB packet buffers, and the size of each packet is determined dynamically. The packet sizes are...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fixed potential out-of-bounds accesses for Extigy and Mbox devices A bogus device can provide a bNumConfigurations value that exceeds the initial value used in usbgetconfiguration for allocating dev-config. This...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fixed a NULL pointer dereference in sndusbmixercontrolsbadd In sndusbcreatestreams, for UAC version 3 devices, the Interface Association Descriptor IAD is retrieved via usbifnumtoif. If this call fails, a fallbac...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Properly terminating the timer upon removal The USB-audio MIDI code initializes the timer, but in a rare case, the driver might be freed without the disconnect call being made. This leaves the timer in an active...

Astra Linux – Vulnerabilities in Linux-6.1, Linux-5.15, Linux-5.10

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fixed an out-of-bounds read in sndusbgetaudioformatuac3 In sndusbgetaudioformatuac3, the length value returned from sndusbctlmsg is used directly for memory allocation without validation. This length is controlle...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Use the correct version for UAC3 header validation The entry of the validators table for the UAC3 AC header descriptor was defined with the wrong protocol version, UACVERSION2, whereas it should have been...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Stop parsing channel bits when all channels are found. If a USB audio device sets more bits than the number of channels it supports, it may write data outside of the map array...