CVE-2022-36648: Qemu

Critical severity, CVSS 10.0. EPSS: 1.7% chance of exploitation in the next 30 days.

The hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier, allows remote attackers to crash the host qemu and potentially execute code on the host via execute a malformed program in the guest OS. Note: This has been disputed by multiple third parties as not a valid vulnerability due to the rocker device not falling within the virtualization use case.

Affected products

• Qemu Qemu: up to and including 7.0.0

Published 2023-08-22. Last modified 2026-06-17.