---
id: CVE-2026-97517
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  wifi: nl80211: reject beacons with bad HE operation

  The HE operation element not only needs to be longer than
  the fixed part, but also have an appropriate size for the…
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  wifi: nl80211: reject beacons with bad HE operation

  The HE operation element not only needs to be longer than
  the fixed part, but also have an appropriate size for the…
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-125
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 7e8d6f12bb2a729290ebb0096248ea46d2868fc6 <
    6e24f72985782013bf2feb0f0712b2ac9390e909
  - >-
    Linux >= 7e8d6f12bb2a729290ebb0096248ea46d2868fc6 <
    8fe5eb7b68d76b3801409ada7365c67696e7af84
  - >-
    Linux >= 7e8d6f12bb2a729290ebb0096248ea46d2868fc6 <
    6c4bb5450b9d9111faaaba581ea45a3a79844e50
  - >-
    Linux >= 7e8d6f12bb2a729290ebb0096248ea46d2868fc6 <
    0d635f0b4a634eb599ed13a87ece0b5f129f9900
  - >-
    Linux >= 7e8d6f12bb2a729290ebb0096248ea46d2868fc6 <
    8b9a100e1a76c52988b31099b349fd95a58c8768
  - Linux 5.7
published: '2026-09-24'
updated: '2026-10-03'
sourceUpdated: '2026-10-03T11:18:00.950'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-97517'
references:
  - url: 'https://git.kernel.org/stable/c/0d635f0b4a634eb599ed13a87ece0b5f129f9900'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/6c4bb5450b9d9111faaaba581ea45a3a79844e50'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/6e24f72985782013bf2feb0f0712b2ac9390e909'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/8b9a100e1a76c52988b31099b349fd95a58c8768'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/8fe5eb7b68d76b3801409ada7365c67696e7af84'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-97517.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-97517'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2540523'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-97517'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-97517'
  - url: >-
      https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97517.mbox
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
epss: 0.00156
epssPercentile: 0.04725
cvssSource: vendor
ingestedAt: '2026-09-24T16:47:15.858Z'
---

## Overview

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

wifi: nl80211: reject beacons with bad HE operation

The HE operation element not only needs to be longer than
the fixed part, but also have an appropriate size for the
variable part inside of it. Check this.

## 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 6, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, 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-2026-97517.json)