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Unrated severityNVD Advisory· Published Feb 26, 2025· Updated Dec 23, 2025

ALSA: usb-audio: Cancel pending work at closing a MIDI substream

CVE-2022-49545

Description

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 substream, there might be still a pending work, which would eventually access the rawmidi runtime object that is being released. For fixing the race, make sure to cancel the pending work at closing.

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Affected products

160

Patches

Vulnerability mechanics

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