---
id: CVE-2026-80609
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  qede: fix out-of-bounds check for cqe->len_list[]

  Move index check before element access.
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  qede: fix out-of-bounds check for cqe->len_list[]

  Move index check before element access.
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: Linux
product: Linux
affected:
  - >-
    Linux >= ecbb12caf399d7cf364b7553ed5aebeaa2f255bc <
    6d203bdd227fca1787f8a80cf84b990936633c5a
  - >-
    Linux >= a778912b4a53587ea07d85526d152f85d109cbfe <
    bd3a6a083b408e96437dbd86ff543ba9ec3a788b
  - >-
    Linux >= f0923011c1261b33a2ac1de349256d39cb750dd0 <
    e30af53dca803893a29eb3bbe0539752ba435410
  - >-
    Linux >= 917a9d02182ac8b4f25eb47dc02f3ec679608c24 <
    1aacefd074b5dcc99b8dbcd73e1c963ed5010110
  - >-
    Linux >= 896f1a2493b59beb2b5ccdf990503dbb16cb2256 <
    b17751a2ebc4aef3ce6be6f71ee8df92bf5ddfcd
  - >-
    Linux >= 896f1a2493b59beb2b5ccdf990503dbb16cb2256 <
    6d46ab395803f162cdc50e8d346e5f1a4e766771
  - >-
    Linux >= 896f1a2493b59beb2b5ccdf990503dbb16cb2256 <
    f9ba47fce5932c15891c89c60e76dfaca919cb8d
  - Linux e441db07f208184e0466abf44b389a81d70c340e
  - Linux >= 5.15.197 < 5.15.212
  - Linux >= 6.1.159 < 6.1.178
  - Linux >= 6.6.118 < 6.6.145
  - Linux >= 6.12.60 < 6.12.97
  - Linux >= 6.17.10 < 6.18
  - Linux 6.18
published: '2026-08-28'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T20:18:03.760'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-80609'
references:
  - url: 'https://git.kernel.org/stable/c/1aacefd074b5dcc99b8dbcd73e1c963ed5010110'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/6d203bdd227fca1787f8a80cf84b990936633c5a'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/6d46ab395803f162cdc50e8d346e5f1a4e766771'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/b17751a2ebc4aef3ce6be6f71ee8df92bf5ddfcd'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/bd3a6a083b408e96437dbd86ff543ba9ec3a788b'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/e30af53dca803893a29eb3bbe0539752ba435410'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/f9ba47fce5932c15891c89c60e76dfaca919cb8d'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80609.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-80609'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2525485'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-80609'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-80609'
  - url: 'https://kernelcve.org/list/?q=CVE-2026-80609'
  - url: >-
      https://lore.kernel.org/linux-cve-announce/2026082833-CVE-2026-80609-3507@gregkh/T
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
  - score-dispute
epss: 0.00738
epssPercentile: 0.54312
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-10-16T19:18:42.466773Z'
scores:
  nvd: 9.8
  vendor: 7.5
ingestedAt: '2026-08-29T23:43:56.079Z'
---

## Overview

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

qede: fix out-of-bounds check for cqe->len_list[]

Move index check before element access.

## 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 8 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8 · updated 2026-10-24 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80609.json)