EUVD-2026-26510

In the Linux kernel, the following vulnerability has been resolved: ALSA: caiaq: take a reference on the USB device in createcard The caiaq driver stores a pointer to the parent USB device in cdev-chip.dev but never takes a reference on it. The card's privatefree callback, sndusbcaiaqcardfree, ca...

PT-2026-36410

In the Linux kernel, the following vulnerability has been resolved: ALSA: ctxfi: Don't enumerate SPDIF1 at DAIO initialization The recent refactoring of xfi driver changed the assignment of atc-daios at atc get resources; now it loops over all enum DAIOTYP entries while it looped formerly only a...

ALSA: fireworks: bound device-supplied status before string array lookup

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Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013068)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013068 advisory. In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix potential overflow of PCM transfer buffer The PCM stream data in USB-audio...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011080)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011080 advisory. In the Linux kernel, the following vulnerability has been resolved: ALSA: hda/ca0132: fixup buffer overrun at tuningctlset tuningctlset might have buffer overrun at...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-012968)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-012968 advisory. In the Linux kernel, the following vulnerability has been resolved: ALSA: sh: aica: reorder cleanup operations to avoid UAF bugs The dreamcastcard-timer could schedu...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007481)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007481 advisory. In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: oss: Fix races at processing SysEx messages OSS sequencer handles the SysEx messages...

kernel: ALSA: aloop: Fix racy access at PCM trigger

In the Linux kernel, the following vulnerability has been resolved: ALSA: aloop: Fix racy access at PCM trigger The PCM trigger callback of aloop driver tries to check the PCM state and stop the stream of the tied substream in the corresponding cable. Since both check and stop operations are...

CVE-2026-23318

A flaw was found in the Linux kernel's ALSA Advanced Linux Sound Architecture USB audio driver. A malicious USB Audio Class 3 UAC3 device could exploit an incorrect protocol version used for UAC3 header validation. This error causes the device's header descriptors to bypass validation, allowing a...

CVE-2026-23208 ALSA: usb-audio: Prevent excessive number of frames

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Prevent excessive number of frames In this case, the user constructed the parameters with maxpacksize 40 for rate 22050 / pps 1000, and packsize0 22 packsize1 23. The buffer size for each data URB is maxpacksize...

CVE-2026-23089 ALSA: usb-audio: Fix use-after-free in snd_usb_mixer_free()

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix use-after-free in sndusbmixerfree When sndusbcreatemixer fails, sndusbmixerfree frees mixer-idelems but the controls already added to the card still reference the freed memory. Later when sndcardregister runs...

kernel: Linux kernel: ALSA: ump buffer overflow via malformed UMP SysEx message

A flaw was found in the Linux kernel's Advanced Linux Sound Architecture ALSA Universal MIDI Packet UMP driver. This vulnerability allows a buffer overflow and potential memory corruption via a malformed Universal MIDI Packet UMP System Exclusive SysEx message during MIDI 1.0 to UMP conversion...

CVE-2025-68753

The CVE CVE-2025-68753 relates to the Linux kernel ALSA: firewire-motu DSP event handling. The issue stems from a missing bounds check in a put_user() loop that copies DSP event data; if the user buffer size is not aligned to 4 bytes, data could be written beyond the intended boundary, potentiall...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993196)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993196 advisory. In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: fix potential memleak in 'addwidgetnode' As 'kobjectadd' may allocated memory for...

kernel: ALSA: usb-audio: Validate UAC3 cluster segment descriptors

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Validate UAC3 cluster segment descriptors UAC3 class segment descriptors need to be verified whether their sizes match with the declared lengths and whether they fit with the allocated buffer sizes, too. Otherwis...

kernel: ALSA: usb-audio: Validate UAC3 cluster segment descriptors

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Validate UAC3 cluster segment descriptors UAC3 class segment descriptors need to be verified whether their sizes match with the declared lengths and whether they fit with the allocated buffer sizes, too. Otherwis...

kernel: ALSA: usb-audio: ALSA USB Audio Out-of-Bounds Bug

A flaw was found in the Linux kernel ALSA USB audio driver. This vulnerability allows a denial of service via a crafted USB audio device...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989206)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989206 advisory. In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: oss: Fix race at SNDCTLDSPSYNC There is a small race window at sndpcmosssync that is...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989335)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989335 advisory. In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Cancel pending work at closing a MIDI substream At closing a USB MIDI output...

Unity Linux 20.1050e Security Update: kernel (UTSA-2025-990150)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990150 advisory. In the Linux kernel, the following vulnerability has been resolved: ALSA: emux: improve patch ioctl data validation In loaddata, make the validation of and skipping...