Linux Kernel up to 6.12.25/6.14.4/6.15-rc3 usb state issue

Summaryinfo

A vulnerability identified as problematic has been detected in Linux Kernel up to 6.12.25/6.14.4/6.15-rc3. Affected is an unknown function of the component usb. Performing a manipulation results in state issue. This vulnerability is cataloged as CVE-2025-37986. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.12.25/6.14.4/6.15-rc3. It has been classified as problematic. This affects some unknown functionality of the component usb. The manipulation with an unknown input leads to a state issue vulnerability. CWE is classifying the issue as CWE-371. The impact remains unknown. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: usb: typec: class: Invalidate USB device pointers on partner unregistration To avoid using invalid USB device pointers after a Type-C partner disconnects, this patch clears the pointers upon partner unregistration. This ensures a clean state for future connections.

It is possible to read the advisory at git.kernel.org. This vulnerability is uniquely identified as CVE-2025-37986 since 04/16/2025. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/14/2025).

The vulnerability scanner Nessus provides a plugin with the ID 240657 (Ubuntu 25.04 : Linux kernel vulnerabilities (USN-7594-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.12.26, 6.14.5 or 6.15-rc4 eliminates this vulnerability. Applying the patch 40966fc9939e85677fdb489dfddfa205baaad03b/74911338f47c13d1b9470fc50718182bffad42e2/66e1a887273c6b89f09bc11a40d0a71d5a081a8e is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (240657) and CERT Bund (WID-SEC-2025-1114). Be aware that VulDB is the high quality source for vulnerability data.

Affected

• Debian Linux
• Amazon Linux 2
• Red Hat Enterprise Linux
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• SUSE openSUSE
• Dell Avamar
• Open Source Linux Kernel
• Dell NetWorker
• Dell Secure Connect Gateway

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 6.12.0
• 6.12.1
• 6.12.2
• 6.12.3
• 6.12.4
• 6.12.5
• 6.12.6
• 6.12.7
• 6.12.8
• 6.12.9
• 6.12.10
• 6.12.11
• 6.12.12
• 6.12.13
• 6.12.14
• 6.12.15
• 6.12.16
• 6.12.17
• 6.12.18
• 6.12.19
• 6.12.20
• 6.12.21
• 6.12.22
• 6.12.23
• 6.12.24
• 6.12.25
• 6.14.0
• 6.14.1
• 6.14.2
• 6.14.3
• 6.14.4
• 6.15-rc1
• 6.15-rc2
• 6.15-rc3

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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