---
id: CVE-2026-80941
title: >-
  kernel: wifi: rtw88: Fix potential memory leak in rtw_txq_push_skb()
  (CVE-2026-80941)
summary: >-
  A flaw was found in the rtw88 Wi-Fi driver of the Linux kernel. This issue
  occurs because the rtw_txq_push_skb() function fails to free a socket buffer
  (skb) when an error occurs during transmission. This oversight can lead to a
  memory lea…
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'
cvssSource: vendor
cwe: CWE-772
vendor: Red Hat
product: Red Hat Enterprise Linux 9
affected:
  - enterprise_linux 10
  - enterprise_linux 8
  - enterprise_linux 9
  - openshift_container_platform 4
published: '2026-09-11'
updated: '2026-09-14'
sourceUpdated: '2026-09-14T16:00:04+00:00'
source: CSAF
sourceUrl: 'https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80941.json'
references:
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80941.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-80941'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2532526'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-80941'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-80941'
  - url: >-
      https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-80941.mbox
  - url: 'https://git.kernel.org/stable/c/e8fd57157ee7a9e2986a9218198a5c1b02f2310b'
  - url: 'https://git.kernel.org/stable/c/924e75a420a3000e9f189aed26f67556a62f2d57'
  - url: 'https://git.kernel.org/stable/c/68676ce3313b74326fbcf21c673728db4c19d3cf'
  - url: 'https://git.kernel.org/stable/c/c86199357a93b9182854cf805d7780a213fda937'
  - url: 'https://git.kernel.org/stable/c/6e95852f904edbabf411793093fcfd6f6d49ef27'
  - url: 'https://git.kernel.org/stable/c/7364713f0931ee45fdf0bea27103b40ccc94979a'
  - url: 'https://git.kernel.org/stable/c/51d8b35574721cf3fe744f46ebd9629916063fee'
  - url: 'https://git.kernel.org/stable/c/9f2948010764d708bda27369d09ce6f194abe8e3'
tags:
  - csaf
  - vex
  - red-hat
  - cve.org
epss: 0.0021
epssPercentile: 0.11546
ingestedAt: '2026-09-14T15:23:07.455Z'
---

## Overview

A flaw was found in the rtw88 Wi-Fi driver of the Linux kernel. This issue occurs because the rtw_txq_push_skb() function fails to free a socket buffer (skb) when an error occurs during transmission. This oversight can lead to a memory leak, potentially impacting system stability and performance over time.

## Vendor advisories

- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-09-14 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80941.json)

**kernel: wifi: rtw88: Fix potential memory leak in rtw_txq_push_skb()** — rated Low by Red Hat. Released 2026-09-11, updated 2026-09-14.

Affected:

- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat OpenShift Container Platform 4

No fix planned:

- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat OpenShift Container Platform 4

Not affected:

- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7

## Remediation

Fix deferred