CVE-2026-97483
usb: core: hcd: fix possible deadlock in rh control transfers
- State
- Published
- Severity
- Not scored
- Published
- Sep 24, 2026
- Updated
- Oct 3, 2026
- Reserved
- Sep 24, 2026
Description
In the Linux kernel, the following vulnerability has been resolved:
usb: core: hcd: fix possible deadlock in rh control transfers
>From within the SCSI error handler memory allocations must not trigger IO. Handling errors in UAS and the storage driver may involve resetting a device. The thread doing the reset itself relies on VM magic. However, that is insufficient, as resetting a device involves resuming it. Resumption as well as resetting involves conrol transfers to the parent of the device to be reset. That may be a root hub. Hence usbcore must heed the flags passed to usb_submit_urb() processing control transfers to root hubs.
The problem exist since the storage driver has been merged.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
LinuxLinux |
|
LinuxLinux |
|
References
- https://git.kernel.org/stable/c/8461eda5af77c44d216cec66455bd5b01ee35c9a
- https://git.kernel.org/stable/c/8f82fc3d72e5feb7a1efae94b51b431c5bf41c86
- https://git.kernel.org/stable/c/936b08d87c667031725bcc753007e7c1182548c6
- https://git.kernel.org/stable/c/d0291fb4d91982d9f6a680bf759ff0555d351ecb
- https://git.kernel.org/stable/c/fff917c85d37a294397c5440a795591ca9d6b602
- https://git.kernel.org/stable/c/549672a3fb6b36ea408238f89ecf9f41d2da6225
- https://git.kernel.org/stable/c/d5559f43d76b398392b26a15cbc16d731969cd1c
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