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CVE-2023-34320

5.5 · MEDIUM

Cortex-A77 cores (r0p0 and r1p0) are affected by erratum 1508412 where software, under certain circumstances, could deadlock a core due to the execution of either a load to device or non-cacheable…

Published Dec 8, 2023CWE-667EPSS 0.24%

Overview

CVE-2023-34320 is a medium-severity vulnerability. It was published on December 8, 2023 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

Cortex-A77 cores (r0p0 and r1p0) are affected by erratum 1508412

where software, under certain circumstances, could deadlock a core

due to the execution of either a load to device or non-cacheable memory,

and either a store exclusive or register read of the Physical

Address Register (PAR_EL1) in close proximity.

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

Refxenbits.xenproject.org/xsa/advisory-436.htmlRefxenbits.xen.org/xsa/advisory-436.htmlRefxenbits.xenproject.org/xsa/advisory-436.html

How CyberStrike helps

Frequently asked questions

What is CVE-2023-34320?

CVE-2023-34320 is a medium-severity vulnerability. It was published on December 8, 2023 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-34320?

This vulnerability has a CVSS 3.1 base score of 5.5, 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-2023-34320?

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-2023-34320?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-34320 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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