A double free vulnerability was found in QEMU virtio devices (virtio-gpu, virtio-serial-bus, virtio-crypto), where the mem_reentrancy_guard flag insufficiently protects against DMA reentrancy issues. This issue could allow a malicious privileged guest user to crash the QEMU process on the host, resulting in a denial of service or allow arbitrary code execution within the context of the QEMU process on the host.
Exploitability
AV:LAC:LPR:HUI:NScope
S:CImpact
C:HI:HA:H8.2/CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HOther