CVE-2026-80947

A flaw was found in the Linux kernel's rtl8xxxu Wi-Fi driver. A race condition exists during the driver's stop process, specifically when handling receive RX Universal Serial Bus USB Request Blocks URBs. This allows a worker to access memory that has already been freed, leading to a use-after-fre...

PT-2026-96407

In the Linux kernel, the following vulnerability has been resolved: wifi: rtl8xxxu: fix use-after-free from rx urb wq on stop rtl8xxxu arms rx urb wq from the RX completion path: rtl8xxxu rx complete hands the URB to rtl8xxxu queue rx urb, which queues it on rx urb pending list and, once the list...

PT-2026-90077

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the rtl8xxxu wifi driver. The problem occurs because the rtl8xxxu stop function fails to cancel the rx urb wq worker. Under active RX traffic, a worker c...

UBUNTU-CVE-2026-46074

In the Linux kernel, the following vulnerability has been resolved: spi: ch341: fix memory leaks on probe failures Make sure to deregister the controller, disable pins, and kill and free the RX URB on probe failures to mirror disconnect and avoid memory leaks and use-after-free. Also add an...