In the Linux kernel, the following vulnerability has been resolved:

vsock/virtio: read virtqueues under worker locks

Commit bd50c5dc182b ("vsock/virtio: add support for device
suspend/resume") made the *_run flags transition from false to true when
restore installs replacement virtqueues.  The RX, TX and event workers
read their virtqueue before locking and checking the corresponding flag,
so a worker delayed across freeze and restore can observe the replacement
queue's running state while retaining a pointer to the deleted queue.

Read each virtqueue under its mutex after checking the run flag, keeping
the pointer and state in the same queue generation.

https://git.kernel.org/stable/c/1cecb4202afdbeddcf29d59baf596ac6ab753f7f

https://git.kernel.org/stable/c/29dd10583bf9d2744cd84b862e4257c0a5699570

https://git.kernel.org/stable/c/941329ce14c5f481223a10d1d4c8b57ea7f3048a

https://git.kernel.org/stable/c/a1fb0c5b8a7c2753758aeced40971f99449dde0c

https://git.kernel.org/stable/c/bd43a7ec668be428265b3209eb43647aedcf720a

https://git.kernel.org/stable/c/eae099c764c7ebdb842eb1f638913e310bdd6513

https://git.kernel.org/stable/c/ebac8f6b1ef0e9278afe204b8692a7479988dace

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