---
id: CVE-2026-68309
title: >-
  wifi: mt76: connac: fix possible NULL-pointer deref in
  mt76_connac_mcu_uni_bss_he_tlv()
summary: >-
  In the Linux kernel, the following vulnerability has been resolved:


  wifi: mt76: connac: fix possible NULL-pointer deref in
  mt76_connac_mcu_uni_bss_he_tlv()


  mt76_connac_get_he_phy_cap routine can theoretically return NULL so

  check cap p…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8 <
    d1f8705d6545d20950991785306d08884b0056fc
  - >-
    Linux >= d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8 <
    91eb15c026debd8b7bfbd83f062e6245a4e69964
  - >-
    Linux >= d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8 <
    b09508dd7bc4a8948ea00603041a918c09788502
  - >-
    Linux >= d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8 <
    2afc2d5098866518a5c446a2e647b1b3f43daaf4
  - >-
    Linux >= d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8 <
    c058786b09cfab080125bc3ee7928a181dcbd37a
  - >-
    Linux >= d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8 <
    8709c66e665a2a09192853d4f3d0fb4bd0f76403
  - >-
    Linux >= d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8 <
    2c1fb2335f5e3afb34f91bc07ecb63517c328090
  - Linux 5.12
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-06T16:46:57.510714Z'
published: '2026-08-10'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T16:55:12.704Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-68309'
references:
  - url: 'https://git.kernel.org/stable/c/d1f8705d6545d20950991785306d08884b0056fc'
  - url: 'https://git.kernel.org/stable/c/91eb15c026debd8b7bfbd83f062e6245a4e69964'
  - url: 'https://git.kernel.org/stable/c/b09508dd7bc4a8948ea00603041a918c09788502'
  - url: 'https://git.kernel.org/stable/c/2afc2d5098866518a5c446a2e647b1b3f43daaf4'
  - url: 'https://git.kernel.org/stable/c/c058786b09cfab080125bc3ee7928a181dcbd37a'
  - url: 'https://git.kernel.org/stable/c/8709c66e665a2a09192853d4f3d0fb4bd0f76403'
  - url: 'https://git.kernel.org/stable/c/2c1fb2335f5e3afb34f91bc07ecb63517c328090'
tags:
  - cve.org
epss: 0.00173
epssPercentile: 0.06724
ingestedAt: '2026-11-06T18:00:12.614Z'
---

## Overview

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

wifi: mt76: connac: fix possible NULL-pointer deref in mt76_connac_mcu_uni_bss_he_tlv()

mt76_connac_get_he_phy_cap routine can theoretically return NULL so
check cap pointer before dereferencing it.

## Affected

- `Linux >= d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8 < d1f8705d6545d20950991785306d08884b0056fc`
- `Linux >= d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8 < 91eb15c026debd8b7bfbd83f062e6245a4e69964`
- `Linux >= d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8 < b09508dd7bc4a8948ea00603041a918c09788502`
- `Linux >= d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8 < 2afc2d5098866518a5c446a2e647b1b3f43daaf4`
- `Linux >= d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8 < c058786b09cfab080125bc3ee7928a181dcbd37a`
- `Linux >= d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8 < 8709c66e665a2a09192853d4f3d0fb4bd0f76403`
- `Linux >= d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8 < 2c1fb2335f5e3afb34f91bc07ecb63517c328090`
- `Linux 5.12`

## Remediation

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