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CVE-2026-89626

8.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: HID: sensor: custom: Fix field sysfs group cleanup on failure hid_sensor_custom_add_attributes() creates one sysfs group for ea…

Published Sep 11, 2026EPSS 0.35%

Overview

CVE-2026-89626 is a high-severity vulnerability. It was published on September 11, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, 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:

HID: sensor: custom: Fix field sysfs group cleanup on failure

hid_sensor_custom_add_attributes() creates one sysfs group for each

custom sensor field. If sysfs_create_group() fails after some groups

have already been created, the function returns the error without

removing the previously created groups.

Add a local unwind path to remove the groups that were already created.

With enable_sensor exposed only after the field attributes are ready,

this path can free sensor_inst->fields without leaving enable_sensor

able to access pointers into that array.

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/10b05fafff932e325896d59dde40938954ab4577Refgit.kernel.org/stable/c/2409779f3096fcef41bcf57b5f4887d0fa0dc8ddRefgit.kernel.org/stable/c/3789d0802ddb4b3be04062caf4bfadd23496e9a7Refgit.kernel.org/stable/c/416194933af63bd58d03b7605b1ebc1711186838Refgit.kernel.org/stable/c/79154fad98ee843e5363940841e2d831503c190aRefgit.kernel.org/stable/c/d0e15091e88d18e30b67daf85b88f6528bb9bf41Refgit.kernel.org/stable/c/d96f8958d4469ac02d9c563686cdd968005b944dRefgit.kernel.org/stable/c/f3f37b937a6ea2a00fb5e6189e74f855caa43eb5

How CyberStrike helps

Frequently asked questions

What is CVE-2026-89626?

CVE-2026-89626 is a high-severity vulnerability. It was published on September 11, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-89626?

This vulnerability has a CVSS 3.1 base score of 8.8, 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-2026-89626?

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-2026-89626?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-89626 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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