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CVE-2024-26823

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Restore quirk probing for ACPI-based systems While refactoring the way the ITSs are probed, the handling of…

Published Apr 17, 2024EPSS 0.24%

Overview

CVE-2024-26823 is a high-severity vulnerability. It was published on April 17, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. 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:

irqchip/gic-v3-its: Restore quirk probing for ACPI-based systems

While refactoring the way the ITSs are probed, the handling of quirks

applicable to ACPI-based platforms was lost. As a result, systems such as

HIP07 lose their GICv4 functionnality, and some other may even fail to

boot, unless they are configured to boot with DT.

Move the enabling of quirks into its_probe_one(), making it common to all

firmware implementations.

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/4c60c611441f1f1e5de8e00e98ee5a4970778a00Refgit.kernel.org/stable/c/8b02da04ad978827e5ccd675acf170198f747a7aRefgit.kernel.org/stable/c/91a80fff3eeed928b6fba21271f6a9719b22a5d8Refgit.kernel.org/stable/c/4c60c611441f1f1e5de8e00e98ee5a4970778a00Refgit.kernel.org/stable/c/8b02da04ad978827e5ccd675acf170198f747a7aRefgit.kernel.org/stable/c/91a80fff3eeed928b6fba21271f6a9719b22a5d8

How CyberStrike helps

Frequently asked questions

What is CVE-2024-26823?

CVE-2024-26823 is a high-severity vulnerability. It was published on April 17, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-26823?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-26823?

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-2024-26823?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-26823 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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