CVE-2026-31581

CVE-2026-31581 affects the Linux kernel ALSA 6fire USB audio driver. The issue is a use-after-free in usb6fire_chip_abort() where the chip structure is allocated as the card’s private data and, after snd_card_free_when_closed() frees the card (when no file handles are open), a later write to chip...

CVE-2026-31581 ALSA: 6fire: fix use-after-free on disconnect

In the Linux kernel, the following vulnerability has been resolved: ALSA: 6fire: fix use-after-free on disconnect In usb6firechipabort, the chip struct is allocated as the card's private data via sndcardnew with sizeofstruct sfirechip. When sndcardfreewhenclosed is called and no file handles are...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992307)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992307 advisory. In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uaudio: don't let userspace block driver unbind In the unbind callback for fuac1 and...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-992694)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992694 advisory. In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uaudio: don't let userspace block driver unbind In the unbind callback for fuac1 and...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989785)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989785 advisory. In the Linux kernel, the following vulnerability has been resolved: ALSA: caiaq: Use sndcardfreewhenclosed at disconnection The USB disconnect callback is supposed t...

SUSE CVE-2024-56532

In the Linux kernel, the following vulnerability has been resolved: ALSA: us122l: Use sndcardfreewhenclosed at disconnection The USB disconnect callback is supposed to be short and not too-long waiting. OTOH, the current code uses sndcardfree at disconnection, but this waits for the close of all...

UBUNTU-CVE-2024-56532

In the Linux kernel, the following vulnerability has been resolved: ALSA: us122l: Use sndcardfreewhenclosed at disconnection The USB disconnect callback is supposed to be short and not too-long waiting. OTOH, the current code uses sndcardfree at disconnection, but this waits for the close of all...

UBUNTU-CVE-2024-56533

In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: Use sndcardfreewhenclosed at disconnection The USB disconnect callback is supposed to be short and not too-long waiting. OTOH, the current code uses sndcardfree at disconnection, but this waits for the close of all...