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CVE-2026-43175

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: clk: rs9: Reserve 8 struct clk_hw slots for for 9FGV0841 The 9FGV0841 has 8 outputs and registers 8 struct clk_hw, make sure th…

Published May 6, 2026CWE-476EPSS 0.16%

Overview

CVE-2026-43175 is a medium-severity vulnerability. It was published on May 6, 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:

clk: rs9: Reserve 8 struct clk_hw slots for for 9FGV0841

The 9FGV0841 has 8 outputs and registers 8 struct clk_hw, make sure

there are 8 slots for those newly registered clk_hw pointers, else

there is going to be out of bounds write when pointers 4..7 are set

into struct rs9_driver_data .clk_dif[4..7] field.

Since there are other structure members past this struct clk_hw

pointer array, writing to .clk_dif[4..7] fields corrupts both

the struct rs9_driver_data content and data around it, sometimes

without crashing the kernel. However, the kernel does surely

crash when the driver is unbound or during suspend.

Fix this, increase the struct clk_hw pointer array size to the

maximum output count of 9FGV0841, which is the biggest chip that

is supported by this driver.

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/2f926875dffe2226ea26d129e16d9092cccd03aaRefgit.kernel.org/stable/c/5ec820fc28d0b8a0f3890d476b1976f20e8343ccRefgit.kernel.org/stable/c/82a34f344999d8029bcebf131028fa519140c7ccRefgit.kernel.org/stable/c/da86ca15d7389ee0b5df08e8f70c39354e6b8a4b

How CyberStrike helps

Frequently asked questions

What is CVE-2026-43175?

CVE-2026-43175 is a medium-severity vulnerability. It was published on May 6, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-43175?

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-2026-43175?

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-2026-43175?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-43175 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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