Is CVE-2022-36648 actively exploited?

No active exploitation of CVE-2022-36648 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-36648 be exploited remotely?

Yes. CVE-2022-36648 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-36648?

CVE-2022-36648 has a CVSS score of 10.0 (CRITICAL).

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CRITICAL

CVE-2022-36648

CWE-476Published: August 22, 2023· Updated: Jun 17, 2026

10.0

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2022-36648 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 10.0.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.