---
id: CVE-2026-74361
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  nvme: fix FDP fdpcidx bounds check

  The fdpcidx bounds check sets n = NUMFDPC + 1 but used > instead of >=,
  incorrectly accepting fdp_idx when it equals n (i.e
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  nvme: fix FDP fdpcidx bounds check

  The fdpcidx bounds check sets n = NUMFDPC + 1 but used > instead of >=,
  incorrectly accepting fdp_idx when it equals n (i.e. NUMFDPC…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-20
vendor: Red Hat
product: Red Hat Enterprise Linux 9
affected:
  - enterprise_linux 10
  - enterprise_linux 9
published: '2026-08-15'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T19:17:41.800'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-74361'
references:
  - url: 'https://git.kernel.org/stable/c/0967074f6830718fd2597404ef119bddd0dbfd00'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/5d0e7d2af884b91329235abb16652ae4eead8079'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/5e406928404d67a8da8aa3ae21732e1ea1a04118'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-74361.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-74361'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2516923'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-74361'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-74361'
  - url: 'https://kernelcve.org/list/?q=CVE-2026-74361'
  - url: >-
      https://lore.kernel.org/linux-cve-announce/2026081501-CVE-2026-74361-9a5d@gregkh/T
tags:
  - nvd
  - csaf
  - vex
  - red-hat
  - cve.org
  - score-dispute
epss: 0.00649
epssPercentile: 0.50917
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-10-16T18:54:29.350780Z'
scores:
  nvd: 9.8
  vendor: 6.2
  cna: 9.8
ingestedAt: '2026-10-16T19:46:24.374Z'
---

## Overview

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

nvme: fix FDP fdpcidx bounds check

The fdpcidx bounds check sets n = NUMFDPC + 1 but used > instead of >=,
incorrectly accepting fdp_idx when it equals n (i.e. NUMFDPC + 1).

## Remediation

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

## Vendor advisories

- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · updated 2026-10-26 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-74361.json)