CVE-2026-53107
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: don't kill URBs in interrupt context Serialization for the TX path was enforced by calling usb_kill_urb()/usb_kill_anchored_urbs(), to prevent transmission before a previous URB was completed. usb_tx_block() can be called from interrupt context (e.g. in the HCD giveback path), so we can't always use it to kill in-flight URBs. Prevent sleeping during interrupt context by checking the tx_submitted anchor for existing URBs. We now return -EBUSY, to indicate there's a pending request.
How to fix
- linux linux_kernel5.11, 5.16, 6.2, 6.7, 6.13, 6.18.33, 7.0.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.10.252 ≤ v < 5.11, 5.15.202 ≤ v < 5.16, 6.1.165 ≤ v < 6.2, 6.6.128 ≤ v < 6.7, 6.12.75 ≤ v < 6.13, 6.18.16 ≤ v < 6.18.33, 6.19.6 ≤ v < 7.0.10 | 5.11, 5.16, 6.2, 6.7, 6.13, 6.18.33, 7.0.10 |
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