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CVE-2026-23422

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler Commit 31a7a0bbeb00 ("dpaa2-switch: add bounds check…

Published Apr 3, 2026CWE-787EPSS 0.13%

Overview

CVE-2026-23422 is a high-severity vulnerability. It was published on April 3, 2026 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:

dpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler

Commit 31a7a0bbeb00 ("dpaa2-switch: add bounds check for if_id in IRQ

handler") introduces a range check for if_id to avoid an out-of-bounds

access. If an out-of-bounds if_id is detected, the interrupt status is

not cleared. This may result in an interrupt storm.

Clear the interrupt status after detecting an out-of-bounds if_id to avoid

the problem.

Found by an experimental AI code review agent at Google.

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/00f42ace446f1e4bf84988f2281131f52cd32796Refgit.kernel.org/stable/c/28fd8ac1d49389cb230d712116f54e27ebec11b8Refgit.kernel.org/stable/c/74badb9c20b1a9c02a95c735c6d3cd6121679c93Refgit.kernel.org/stable/c/7def51cb9fb8b8d5342443372b8cf28d8fbd7f3dRefgit.kernel.org/stable/c/b5bababe7703a7322bc59b803ab1587887a2a5e4Refgit.kernel.org/stable/c/c7becfe3e604d138bd53b8ac3111b2b3e8ec6b0eRefgit.kernel.org/stable/c/fa4412cdc5178a48799bafcb8af28fd2fbf3d703Refcert-portal.siemens.com/productcert/html/ssa-019113.htmlRefcert-portal.siemens.com/productcert/html/ssa-082556.html

How CyberStrike helps

Frequently asked questions

What is CVE-2026-23422?

CVE-2026-23422 is a high-severity vulnerability. It was published on April 3, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2026-23422?

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-2026-23422?

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-2026-23422?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-23422 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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