CVE-2022-28388

La función usb_8dev_start_xmit en el archivo drivers/net/can/usb/usb_8dev.c en el kernel de Linux versiones hasta 5.17.1, presenta una doble liberación

A double-free flaw was found in the Linux kernel's USB2CAN interface implementation. This issue could allow a local user to crash the system.

It was discovered that the implementation of the 6pack and mkiss protocols in the Linux kernel did not handle detach events properly in some situations, leading to a use-after-free vulnerability. A local attacker could possibly use this to cause a denial of service. Duoming Zhou discovered that the AX.25 amateur radio protocol implementation in the Linux kernel did not handle detach events properly in some situations. A local attacker could possibly use this to cause a denial of service or execute arbitrary code.