CVE-2022-49545high

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

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.8epss 0.3%

exploitation probability

0.3%top 82% of all CVEs

observed exploitation

nono source reports it

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/0125de38122f0f66bf61336158d12a1aabfe6425 https://git.kernel.org/stable/c/11868ca21585561659c2575b0d6508ef8e9c4291 https://git.kernel.org/stable/c/40bdb5ec957aca5c5c1924602bef6b0ab18e22d3 https://git.kernel.org/stable/c/517dcef4d2dda0132648f1e4c079ed17bba4d1a4 https://git.kernel.org/stable/c/5e5fe2b6065541c6216a7a003b0cddf386be0d2d