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CVE-2026-31564

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Fix base address calculation in kvm_eiointc_regs_access() In function kvm_eiointc_regs_access(), the register b…

Published Apr 24, 2026EPSS 0.14%

Overview

CVE-2026-31564 is a medium-severity vulnerability. It was published on April 24, 2026 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

In the Linux kernel, the following vulnerability has been resolved:

LoongArch: KVM: Fix base address calculation in kvm_eiointc_regs_access()

In function kvm_eiointc_regs_access(), the register base address is

caculated from array base address plus offset, the offset is absolute

value from the base address. The data type of array base address is

u64, it should be converted into the "void *" type and then plus the

offset.

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

Refgit.kernel.org/stable/c/6bcfb7f46d667b04bd1a1169ccedf5fb699c60dfRefgit.kernel.org/stable/c/c4f0a9481cf0dd7c71a07484bc98f2570fdb3a82

How CyberStrike helps

Frequently asked questions

What is CVE-2026-31564?

CVE-2026-31564 is a medium-severity vulnerability. It was published on April 24, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-31564?

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-2026-31564?

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-2026-31564?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-31564 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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