5.5
Medium
CVE-2025-21859 In the Linux kernel, the following vulnerability has been resolved: USB: gadget: f_midi: f_midi_complete to call…
Description
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 6.14 | earliest → < 6.14 | 6.14 |
| Linux 6.13 | earliest → < 6.13.5 | 6.13.5 |
| Linux 6.12 | earliest → < 6.12.17 | 6.12.17 |
| Linux 6.6 | earliest → < 6.6.80 | 6.6.80 |
| Linux 6.1 | earliest → < 6.1.130 | 6.1.130 |
| Linux 5.15 | earliest → < 5.15.179 | 5.15.179 |
| Linux 5.10 | earliest → < 5.10.235 | 5.10.235 |
| Linux 5.4 | earliest → < 5.4.291 | 5.4.291 |
| Linux | 3.2 | No fix stated |
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| Product | Affected versions | Fixed in |
|---|---|---|
| SIMATIC S7-1500 TM MFP - GNU/Linux subsystem | Versions not published |
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8.1
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