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CVE-2026-72133

8.4 · HIGH

In the Linux kernel, the following vulnerability has been resolved: spi: uniphier: Fix completion initialization order before devm_request_irq() The driver calls devm_request_irq() before initial…

Published Aug 15, 2026EPSS 0.18%

Overview

CVE-2026-72133 is a high-severity vulnerability. It was published on August 15, 2026 and has a CVSS 3.1 base score of 8.4 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.4, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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

spi: uniphier: Fix completion initialization order before devm_request_irq()

The driver calls devm_request_irq() before initializing the completion

used by the interrupt handler. Because the interrupt may occur immediately

after devm_request_irq(), the handler may execute before init_completion().

This may result in calling complete() on an uninitialized completion,

causing undefined behavior. This has been observed with KASAN.

Fix this by initializing the completion before registering the IRQ.

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/077a7bc1c32d3da9670c5e282ea3e5ac8a94be59Refgit.kernel.org/stable/c/49f6705d80b5e6175d8435d9c72b66bd516a8e89Refgit.kernel.org/stable/c/82a5746c4c9e94f6f816ec7edea6ddc24417c6a5Refgit.kernel.org/stable/c/8b5798ce0007874c14611b8ee4ce6c749855260eRefgit.kernel.org/stable/c/b9fcf0db433d79648ace74bc2b8b88f91e306304Refgit.kernel.org/stable/c/d44b828eb551bd59ba9f22457825cc3db3a39fc1Refgit.kernel.org/stable/c/f3ad1c87d8201e54b66bd6072442f0b5d5a308eeRefgit.kernel.org/stable/c/f4bb0a91f7badd6d15ac8d783a1169d9e1e95c17

How CyberStrike helps

Frequently asked questions

What is CVE-2026-72133?

CVE-2026-72133 is a high-severity vulnerability. It was published on August 15, 2026 and has a CVSS 3.1 base score of 8.4 (HIGH).

How severe is CVE-2026-72133?

This vulnerability has a CVSS 3.1 base score of 8.4, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-72133?

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-2026-72133?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-72133 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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