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CVE-2022-36648

10.0 · CRITICAL

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 th…

Published Aug 22, 2023CWE-476EPSS 1.74%

Overview

CVE-2022-36648 is a critical-severity vulnerability. It was published on August 22, 2023 and has a CVSS 3.1 base score of 10.0 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.nongnu.org/archive/html/qemu-devel/2022-06/msg04469.htmlRefsecurity.netapp.com/advisory/ntap-20231006-0004/Reflists.nongnu.org/archive/html/qemu-devel/2022-06/msg04469.htmlRefsecurity.netapp.com/advisory/ntap-20231006-0004/

How CyberStrike helps

Frequently asked questions

What is CVE-2022-36648?

CVE-2022-36648 is a critical-severity vulnerability. It was published on August 22, 2023 and has a CVSS 3.1 base score of 10.0 (CRITICAL).

How severe is CVE-2022-36648?

This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-36648?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-36648?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-36648 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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