---
id: CVE-2026-97509
title: |-
  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…
summary: |-
  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…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-825
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= d1ff70241a275133e1a0258b7c23588b122276c8 <
    a4567e5380e4e46d0ea9a28d2d675e5c6f013d54
  - >-
    Linux >= d1ff70241a275133e1a0258b7c23588b122276c8 <
    daeaa6c7211d03ed061b0dd22a875fad9372b090
  - >-
    Linux >= d1ff70241a275133e1a0258b7c23588b122276c8 <
    cca72fe513f3d6b1279fe83483f8a8990adbe0c6
  - >-
    Linux >= d1ff70241a275133e1a0258b7c23588b122276c8 <
    57359bb31526c2f1bb0a7b9b69d8b8a6bd3f0e9f
  - >-
    Linux >= d1ff70241a275133e1a0258b7c23588b122276c8 <
    8ab12d015884b8aa85ea7ed58c5a0bae4264fe60
  - >-
    Linux >= d1ff70241a275133e1a0258b7c23588b122276c8 <
    ea60ae6233ca0fc0d414e9c11f0d86c63b303fc7
  - >-
    Linux >= d1ff70241a275133e1a0258b7c23588b122276c8 <
    8b4060998637f06975fceee9b73845d8672d411e
  - Linux 4.15
published: '2026-09-24'
updated: '2026-10-03'
sourceUpdated: '2026-10-03T11:18:00.487'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-97509'
references:
  - url: 'https://git.kernel.org/stable/c/57359bb31526c2f1bb0a7b9b69d8b8a6bd3f0e9f'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/8ab12d015884b8aa85ea7ed58c5a0bae4264fe60'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/8b4060998637f06975fceee9b73845d8672d411e'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/a4567e5380e4e46d0ea9a28d2d675e5c6f013d54'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/cca72fe513f3d6b1279fe83483f8a8990adbe0c6'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/daeaa6c7211d03ed061b0dd22a875fad9372b090'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/ea60ae6233ca0fc0d414e9c11f0d86c63b303fc7'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97509.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-97509'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2540537'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-97509'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-97509'
  - url: >-
      https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97509.mbox
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
  - score-dispute
epss: 0.00239
epssPercentile: 0.14862
scores:
  nvd: 8.8
  vendor: 5.5
ingestedAt: '2026-09-24T16:47:15.861Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, … · updated 2026-10-17 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97509.json)