In the Linux kernel, the following vulnerability has been resolved:
xhci: Prevent queuing new commands if xhci is inaccessible
Refuse to queue a new command on the command ring if xHC is marked
inaccessible with the HCD_FLAG_HW_ACCESSIBLE.
HCD_FLAG_HW_ACCESSIBLE is set and cleared in suspend and resume.
Also print a warning if xhci is being suspended with commands
still pending on the command ring.
References 3
https://git.kernel.org/stable/c/82b70c799281cc24506085be978b829149ba0ca4
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a05e54c1eeaba10414aa2fde94589a7c9885f2a1
416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a50948386256b24d73971b9a152fe1de808446ab
416baaa9-dc9f-4396-8d5f-8c081fb06d67