CVE-2022-50229

UNKNOWN 0.0

ALSA: bcd2000: Fix a UAF bug on the error path of probing

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

In the Linux kernel, the following vulnerability has been resolved: ALSA: bcd2000: Fix a UAF bug on the error path of probing When the driver fails in snd_card_register() at probe time, it will free the 'bcd2k->midi_out_urb' before killing it, which may cause a UAF bug. The following log can reveal it: [ 50.727020] BUG: KASAN: use-after-free in bcd2000_input_complete+0x1f1/0x2e0 [snd_bcd2000] [ 50.727623] Read of size 8 at addr ffff88810fab0e88 by task swapper/4/0 [ 50.729530] Call Trace: [ 50.732899] bcd2000_input_complete+0x1f1/0x2e0 [snd_bcd2000] Fix this by adding usb_kill_urb() before usb_free_urb().

Vendor	linux
Product	linux
Ecosystems	Linux Kernel
Industries	Technology
Published	Jun 18, 2025
Last Updated	May 11, 2026

Stay Ahead of the Next One

Get instant alerts for linux linux

Be the first to know when new unknown vulnerabilities affecting linux linux are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

Affected Versions

Linux / Linux

b47a22290d581277be70e8a597824a4985d39e83 < a718eba7e458e2f40531be3c6b6a0028ca7fcace b47a22290d581277be70e8a597824a4985d39e83 < 4fc41f7ebb7efca282f1740ea934d16f33c1d109 b47a22290d581277be70e8a597824a4985d39e83 < 5e7338f4dd92b2f8915a82abfa1dd3ad3464bea0 b47a22290d581277be70e8a597824a4985d39e83 < 05e0bb8c3c4dde3e21b9c1cf9395afb04e8b24db b47a22290d581277be70e8a597824a4985d39e83 < 348620464a5c127399ac09b266f494f393661952 b47a22290d581277be70e8a597824a4985d39e83 < 64ca7f50ad96c2c65ae390b954925a36eabe04aa b47a22290d581277be70e8a597824a4985d39e83 < 1d6a246cf97c380f2da76591f03019dd9c9599c3 b47a22290d581277be70e8a597824a4985d39e83 < b0d4af0a4763ddc02344789ef2a281c494bc330d b47a22290d581277be70e8a597824a4985d39e83 < ffb2759df7efbc00187bfd9d1072434a13a54139

Linux / Linux

3.16

References

NVD ↗ CVE.org ↗ EPSS Data ↗