---
id: CVE-2026-93089
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  firmware: arm_scmi: Free transport channel on IDR failure

  If transport channel setup succeeds but the following IDR insertion fails,
  the error path destroys the transp…
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  firmware: arm_scmi: Free transport channel on IDR failure

  If transport channel setup succeeds but the following IDR insertion fails,
  the error path destroys the transp…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 05a2801d8b90c1b5159618d4bd3a3c65d60f3ff1 <
    ae7980c9af698d0a7e6790d49249abc71f0fc304
  - >-
    Linux >= 05a2801d8b90c1b5159618d4bd3a3c65d60f3ff1 <
    de0a4c103740cf54cf77370d47e03c9aa51aa5ee
  - >-
    Linux >= 05a2801d8b90c1b5159618d4bd3a3c65d60f3ff1 <
    d7c60c0fe2bd452b56fe07947842d64da61b7290
  - >-
    Linux >= 05a2801d8b90c1b5159618d4bd3a3c65d60f3ff1 <
    fbaebd380caa4e1cec9306ca00231da6518a123f
  - >-
    Linux >= 05a2801d8b90c1b5159618d4bd3a3c65d60f3ff1 <
    d72e7e5f24687c0490aabf317653caffe0447aeb
  - Linux 6.3
published: '2026-09-17'
updated: '2026-09-17'
sourceUpdated: '2026-09-17T17:18:02.840'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-93089'
references:
  - url: 'https://git.kernel.org/stable/c/ae7980c9af698d0a7e6790d49249abc71f0fc304'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/d72e7e5f24687c0490aabf317653caffe0447aeb'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/d7c60c0fe2bd452b56fe07947842d64da61b7290'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/de0a4c103740cf54cf77370d47e03c9aa51aa5ee'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/fbaebd380caa4e1cec9306ca00231da6518a123f'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-17T16:21:47.760Z'
epss: 0.00168
epssPercentile: 0.0645
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

firmware: arm_scmi: Free transport channel on IDR failure

If transport channel setup succeeds but the following IDR insertion fails,
the error path destroys the transport device and frees the channel info
without invoking the transport cleanup callback.

Call chan_free() before destroying the device so transport specific
resources such as IRQs, mailbox channels and mapped shared memory are
released consistently with the normal teardown path.

## Remediation

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