CVE-2022-23960

Description

Certain Arm Cortex and Neoverse processors through 2022-03-08 do not properly restrict cache speculation, aka Spectre-BHB. An attacker can leverage the shared branch history in the Branch History Buffer (BHB) to influence mispredicted branches. Then, cache allocation can allow the attacker to obtain sensitive information.

5.6

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.10%

Vendor Advisory debian.org Vendor Advisory arm.com Vendor Advisory arm.com

Affected: n/a n/a

References

Link	Tags
https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability	patch vendor advisory mitigation
https://developer.arm.com/support/arm-security-updates	vendor advisory
http://www.openwall.com/lists/oss-security/2022/03/18/2	mailing list third party advisory patch
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html	third party advisory mailing list
https://www.debian.org/security/2022/dsa-5173	third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-23960?: CVE-2022-23960 has been scored as a medium severity vulnerability.
How to fix CVE-2022-23960?: To fix CVE-2022-23960, 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-2022-23960 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-23960 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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