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CVE-2026-100072

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: ACPI: platform: Use acpi_bus_get_primary_device() The acpi_get_first_physical_node() usage in acpi_platform_fill_resource() and…

Published Sep 25, 2026linuxCWE-416EPSS 0.16%

Overview

CVE-2026-100072 is a high-severity vulnerability affecting linux linux_kernel. It was published on September 25, 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:

ACPI: platform: Use acpi_bus_get_primary_device()

The acpi_get_first_physical_node() usage in acpi_platform_fill_resource()

and acpi_create_platform_device() is generally unsafe because in theory

the device returned by it may be freed at any time [1].

It is also inefficient because acpi_get_first_physical_node() is called

multiple times for the same argument which can be avoided.

Address these issues by using acpi_bus_get_primary_device() instead of

acpi_get_first_physical_node() and adjusting the code to call it just

once at the beginning of and acpi_create_platform_device() and drop

the device reference acquired by it upon the return from that function.

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. 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.

Affected products

VendorProductVersionsStatus
linuxlinux_kernel>= 4.6, < 7.2.6Affected

References

Refgit.kernel.org/stable/c/527a497fb2ef77a95170eefe2007e2c4c957bd2cRefgit.kernel.org/stable/c/a75e5de593ef158feb17989bff7730c5a3d82503Refgit.kernel.org/stable/c/a9ba4dd2f18bf3f439d9ef0d8f375f90360ba1bdRefgit.kernel.org/stable/c/c9d202d3b6c28e8c779cd2f2b10d2f7ab665ca71

How CyberStrike helps

Frequently asked questions

What is CVE-2026-100072?

CVE-2026-100072 is a high-severity vulnerability affecting linux linux_kernel. It was published on September 25, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2026-100072?

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-2026-100072?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. 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-2026-100072?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-100072 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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