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Vulnerability Details CVE-2026-53107

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 1.7%
CVSS Severity
CVSS v3 Score 5.5
Products affected by CVE-2026-53107


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