---
id: CVE-2025-71222
title: 'wifi: wlcore: ensure skb headroom before skb_push'
summary: >-
  In the Linux kernel, the following vulnerability has been resolved:


  wifi: wlcore: ensure skb headroom before skb_push


  This avoids occasional skb_under_panic Oops from wl1271_tx_work. In this case,
  headroom is

  less than needed (typicall…
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= f5fc0f86b02afef1119b523623b4cde41475bc8c <
    88295a55fefe5414e64293638b6f7549646e58ed
  - >-
    Linux >= f5fc0f86b02afef1119b523623b4cde41475bc8c <
    cd89a4656c03f8db0c57350aaec69cd3cfaa3522
  - >-
    Linux >= f5fc0f86b02afef1119b523623b4cde41475bc8c <
    745a0810dbc96a0471e5f5e627ba1e978c3116d4
  - >-
    Linux >= f5fc0f86b02afef1119b523623b4cde41475bc8c <
    b167312390fdd461c81ead516f2b0b44e83a9edb
  - >-
    Linux >= f5fc0f86b02afef1119b523623b4cde41475bc8c <
    71de0b6e04bbee5575caf9a1e4d424e7dcc50018
  - >-
    Linux >= f5fc0f86b02afef1119b523623b4cde41475bc8c <
    689a7980e4788e13e766763d53569fb78dea2513
  - >-
    Linux >= f5fc0f86b02afef1119b523623b4cde41475bc8c <
    e75665dd096819b1184087ba5718bd93beafff51
  - Linux 2.6.32
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-05T21:15:16.617264Z'
published: '2026-02-14'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T21:23:10.472Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2025-71222'
references:
  - url: 'https://git.kernel.org/stable/c/88295a55fefe5414e64293638b6f7549646e58ed'
  - url: 'https://git.kernel.org/stable/c/cd89a4656c03f8db0c57350aaec69cd3cfaa3522'
  - url: 'https://git.kernel.org/stable/c/745a0810dbc96a0471e5f5e627ba1e978c3116d4'
  - url: 'https://git.kernel.org/stable/c/b167312390fdd461c81ead516f2b0b44e83a9edb'
  - url: 'https://git.kernel.org/stable/c/71de0b6e04bbee5575caf9a1e4d424e7dcc50018'
  - url: 'https://git.kernel.org/stable/c/689a7980e4788e13e766763d53569fb78dea2513'
  - url: 'https://git.kernel.org/stable/c/e75665dd096819b1184087ba5718bd93beafff51'
tags:
  - cve.org
epss: 0.0015
epssPercentile: 0.04214
ingestedAt: '2026-11-05T22:38:32.056Z'
---

## Overview

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

wifi: wlcore: ensure skb headroom before skb_push

This avoids occasional skb_under_panic Oops from wl1271_tx_work. In this case, headroom is
less than needed (typically 110 - 94 = 16 bytes).

## Affected

- `Linux >= f5fc0f86b02afef1119b523623b4cde41475bc8c < 88295a55fefe5414e64293638b6f7549646e58ed`
- `Linux >= f5fc0f86b02afef1119b523623b4cde41475bc8c < cd89a4656c03f8db0c57350aaec69cd3cfaa3522`
- `Linux >= f5fc0f86b02afef1119b523623b4cde41475bc8c < 745a0810dbc96a0471e5f5e627ba1e978c3116d4`
- `Linux >= f5fc0f86b02afef1119b523623b4cde41475bc8c < b167312390fdd461c81ead516f2b0b44e83a9edb`
- `Linux >= f5fc0f86b02afef1119b523623b4cde41475bc8c < 71de0b6e04bbee5575caf9a1e4d424e7dcc50018`
- `Linux >= f5fc0f86b02afef1119b523623b4cde41475bc8c < 689a7980e4788e13e766763d53569fb78dea2513`
- `Linux >= f5fc0f86b02afef1119b523623b4cde41475bc8c < e75665dd096819b1184087ba5718bd93beafff51`
- `Linux 2.6.32`

## Remediation

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