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CVE-2022-3872

8.6 · HIGH

An off-by-one read/write issue was found in the SDHCI device of QEMU.

Published Nov 7, 2022CWE-193EPSS 0.91%

Overview

CVE-2022-3872 is a high-severity vulnerability. It was published on November 7, 2022 and has a CVSS 3.1 base score of 8.6 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.6, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An off-by-one read/write issue was found in the SDHCI device of QEMU. It occurs when reading/writing the Buffer Data Port Register in sdhci_read_dataport and sdhci_write_dataport, respectively, if data_count == block_size. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.

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/2022-11/msg01068.htmlRefsecurity.netapp.com/advisory/ntap-20221215-0005/Reflists.nongnu.org/archive/html/qemu-devel/2022-11/msg01068.htmlRefsecurity.netapp.com/advisory/ntap-20221215-0005/

How CyberStrike helps

Frequently asked questions

What is CVE-2022-3872?

CVE-2022-3872 is a high-severity vulnerability. It was published on November 7, 2022 and has a CVSS 3.1 base score of 8.6 (HIGH).

How severe is CVE-2022-3872?

This vulnerability has a CVSS 3.1 base score of 8.6, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-3872?

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-2022-3872?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-3872 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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