CVE-2025-21838
usb: gadget: core: flush gadget workqueue after device removal
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: core: flush gadget workqueue after device removal device_del() can lead to new work being scheduled in gadget->work workqueue. This is observed, for example, with the dwc3 driver with the following call stack: device_del() gadget_unbind_driver() usb_gadget_disconnect_locked() dwc3_gadget_pullup() dwc3_gadget_soft_disconnect() usb_gadget_set_state() schedule_work(&gadget->work) Move flush_work() after device_del() to ensure the workqueue is cleaned up.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Mar 7, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
5702f75375aa9ecf8ad3431aef3fe6ce8c8dbd15 < e3bc1a9a67ce33a2e761e6e7b7c2afc6cb9b7266 5702f75375aa9ecf8ad3431aef3fe6ce8c8dbd15 < 859cb45aefa6de823b2fa7f229fe6d9562c9f3b7 5702f75375aa9ecf8ad3431aef3fe6ce8c8dbd15 < f894448f3904d7ad66fecef8f01fe0172629e091 5702f75375aa9ecf8ad3431aef3fe6ce8c8dbd15 < 97695b5a1b5467a4f91194db12160f56da445dfe 5702f75375aa9ecf8ad3431aef3fe6ce8c8dbd15 < 399a45e5237ca14037120b1b895bd38a3b4492ea
Linux / Linux
3.12
References
git.kernel.org: https://git.kernel.org/stable/c/e3bc1a9a67ce33a2e761e6e7b7c2afc6cb9b7266 git.kernel.org: https://git.kernel.org/stable/c/859cb45aefa6de823b2fa7f229fe6d9562c9f3b7 git.kernel.org: https://git.kernel.org/stable/c/f894448f3904d7ad66fecef8f01fe0172629e091 git.kernel.org: https://git.kernel.org/stable/c/97695b5a1b5467a4f91194db12160f56da445dfe git.kernel.org: https://git.kernel.org/stable/c/399a45e5237ca14037120b1b895bd38a3b4492ea lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html