What’s Vulnerable › Vulnerabilities

CVE-2026-97509: thunderbolt: Keep XDomain reference during the lifetime of a service

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-24 · updated 2026-10-03

Description

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Keep XDomain reference during the lifetime of a service This is needed because we release the service ID in tb_service_release() and the ID array is owned by the parent XDomain.

Affected products

• Linux kernel: 4.15 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/57359bb31526c2f1bb0a7b9b69d8b8a6bd3f0e9f
• https://git.kernel.org/stable/c/8ab12d015884b8aa85ea7ed58c5a0bae4264fe60
• https://git.kernel.org/stable/c/8b4060998637f06975fceee9b73845d8672d411e
• https://git.kernel.org/stable/c/a4567e5380e4e46d0ea9a28d2d675e5c6f013d54
• https://git.kernel.org/stable/c/cca72fe513f3d6b1279fe83483f8a8990adbe0c6
• https://git.kernel.org/stable/c/daeaa6c7211d03ed061b0dd22a875fad9372b090
• https://git.kernel.org/stable/c/ea60ae6233ca0fc0d414e9c11f0d86c63b303fc7

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