CVE-2026-43176 HIGH

CVE-2026-43176: wifi: rtw89: pci: validate release report content before using for RTL8922DE

Vendor Linux
Product Linux
Published May 6, 2026
Last update May 11, 2026

CVSS base score

8.8/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: pci: validate release report content before using for RTL8922DE The commit 957eda596c76 ("wifi: rtw89: pci: validate sequence number of TX release report") does validation on existing chips, which somehow a release report of SKB becomes malformed. As no clear cause found, add rules ahead for RTL8922DE to avoid crash if it happens.

Key dates

02Disclosure timeline

May 6, 2026 CVE published
May 11, 2026 Record updated