---
id: CVE-2026-97495
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  drm/amdkfd: Check bounds on allocate_doorbell

  allocated_doorbell has an option to set the doorbell id
  to a specific value (used by CRIU)
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  drm/amdkfd: Check bounds on allocate_doorbell

  allocated_doorbell has an option to set the doorbell id
  to a specific value (used by CRIU). This value was not
  bounds che…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 5bb6a8fa75fcfda93592bee0a4910420ceab15f3 <
    7e06636260a2d95e3fa181bc337d0eeb812b7a41
  - >-
    Linux >= 5bb6a8fa75fcfda93592bee0a4910420ceab15f3 <
    3d2ddfc9b361b0d38c3ff4804ce42503e4bc97de
  - >-
    Linux >= 5bb6a8fa75fcfda93592bee0a4910420ceab15f3 <
    e0cecd04a4fc4c75e375b91cf53eab5ba2e4ab7f
  - >-
    Linux >= 5bb6a8fa75fcfda93592bee0a4910420ceab15f3 <
    c2c89118c27cbd3adace62c5df19d15b0e96ade1
  - >-
    Linux >= 5bb6a8fa75fcfda93592bee0a4910420ceab15f3 <
    1f087bb8cf9e8797633da35c85435e557ef74d06
  - Linux 5.18
published: '2026-09-24'
updated: '2026-10-03'
sourceUpdated: '2026-10-03T11:17:59.373'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-97495'
references:
  - url: 'https://git.kernel.org/stable/c/1f087bb8cf9e8797633da35c85435e557ef74d06'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/3d2ddfc9b361b0d38c3ff4804ce42503e4bc97de'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/7e06636260a2d95e3fa181bc337d0eeb812b7a41'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/c2c89118c27cbd3adace62c5df19d15b0e96ade1'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/e0cecd04a4fc4c75e375b91cf53eab5ba2e4ab7f'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
  - cve.org
epss: 0.00168
epssPercentile: 0.06047
ingestedAt: '2026-09-24T16:47:15.866Z'
---

## Overview

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

drm/amdkfd: Check bounds on allocate_doorbell

allocated_doorbell has an option to set the doorbell id
to a specific value (used by CRIU). This value was not
bounds checked.

Check to confirm it's less than KFD_MAX_NUM_OF_QUEUES_PER_PROCESS.

## Remediation

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