The vulnerability of the virtio_pci_remove handler’s implementation in the Astra Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the virtiopciremove handler in the Astra Linux operating system’s kernel the loaded module drivers/virtio/virtiopci.ko is related to a memory release error. In the virtiopciprobe function, memory is allocated for vpdev, but the memory is not released in the virtiopciremove...