CVE-2025-21859

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: f_midi: f_midi_complete to call queue_work When using USB MIDI, a lock is attempted to be acquired twice through a re-entrant call to f_midi_transmit, causing a deadlock. Fix it by using queue_work() to schedule the inner f_midi_transmit() via a high priority work queue from the completion handler.

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 8% of CVEs (scores of 2026-10-25)

CWE

CWE-667

Published

2025-03-12

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/1f10923404705a94891e612dff3b75e828a78368
• https://git.kernel.org/stable/c/24a942610ee9bafb2692a456ae850c5b2e409b05
• https://git.kernel.org/stable/c/4ab37fcb42832cdd3e9d5e50653285ca84d6686f
• https://git.kernel.org/stable/c/727dee0857946b85232526de4f5a957fe163e89a
• https://git.kernel.org/stable/c/8aa6b4be1f4efccbfc533e6ec8841d26e4fa8dba

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