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CVE-2022-25368

4.7 · MEDIUM

Spectre BHB is a variant of Spectre-v2 in which malicious code uses the shared branch history (stored in the CPU BHB) to influence mispredicted branches in the victim's hardware context.

Published Mar 10, 2022EPSS 0.30%

Overview

CVE-2022-25368 is a medium-severity vulnerability. It was published on March 10, 2022 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

Spectre BHB is a variant of Spectre-v2 in which malicious code uses the shared branch history (stored in the CPU BHB) to influence mispredicted branches in the victim's hardware context. Speculation caused by these mispredicted branches can then potentially be used to cause cache allocation, which can then be used to infer information that should be protected.

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

Refamperecomputing.com/products/security-bulletins/impact-of-spectre-bhb-on-ampere.htmlRefcve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23960Refdeveloper.arm.com/support/arm-security-updates/speculative-processor-vulnerability/spectre-bhbRefamperecomputing.com/products/security-bulletins/impact-of-spectre-bhb-on-ampere.htmlRefcve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23960Refdeveloper.arm.com/support/arm-security-updates/speculative-processor-vulnerability/spectre-bhb

How CyberStrike helps

Frequently asked questions

What is CVE-2022-25368?

CVE-2022-25368 is a medium-severity vulnerability. It was published on March 10, 2022 and has a CVSS 3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2022-25368?

This vulnerability has a CVSS 3.1 base score of 4.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-25368?

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-2022-25368?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-25368 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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