CVE-2022-25368

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.

4.7

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.27%

Vendor Advisory amperecomputing.com Vendor Advisory arm.com

Affected: n/a n/a

References

Link	Tags
https://amperecomputing.com/products/security-bulletins/impact-of-spectre-bhb-on-ampere.html	vendor advisory
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23960	vdb entry third party advisory
https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/spectre-bhb	patch technical description vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-25368?: CVE-2022-25368 has been scored as a medium severity vulnerability.
How to fix CVE-2022-25368?: To fix CVE-2022-25368, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-25368 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-25368 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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