CVE-2022-36648

QEMU: rocker: NULL pointer dereference in of_dpa_cmd_add_l2_flood()

Published 22 Aug 2023Modified 17 Jun 2026CWE 476

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD, Azure Linux, CBL-Mariner.

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.

Affected packages and fixed versions

Source	Package	Fixed in
Azure Linux 3.0	qemu	0:6.2.0-18.azl3
CBL-Mariner 2.0	qemu	0:6.2.0-17.cm2
debian 11	qemu	no fix listed
debian 12	qemu	no fix listed
debian 13	qemu	no fix listed
debian 14	qemu	no fix listed
echo	qemu	1:10.0.8+ds-0+deb13u1+e1
rapidfort debian 12	qemu	no fix listed
rapidfort debian 13	qemu	no fix listed

References

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Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.