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

High severity · published May 6, 2026

CVE-2026-43176

wifi: rtw89: pci: validate release report content before using for RTL8922DE

8.8

CVSS

0.2%

EPSS

On KEV

Description

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.

CVSS vector

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

Attack vector

Adjacent

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.2% · higher than 15% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Kernel · Linux

6.18 before 6.18.16; 6.19 before 6.19.6 · source: NVD

Linux · Linux

110f3c11f440d78ef8a181f75456e24e428f69e4 before ebeaa3b24ba568ff8505165f954dba15cc53e4b3; 110f3c11f440d78ef8a181f75456e24e428f69e4 before 3e8a88b5e8b3506d9c5e031a65ba65ce9a0683a3; 110f3c11f440d78ef8a181f75456e24e428f69e4 before 5f93d611b33a05bd03d6843c8efe8cb6a1992620; 6.18 · source: vendor

Affected product

Kernel

Linux

All Kernel CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-43176

CVE.org

https://www.cve.org/CVERecord?id=CVE-2026-43176

Patch

https://git.kernel.org/stable/c/3e8a88b5e8b3506d9c5e031a65ba65ce9a0683a3

Patch

https://git.kernel.org/stable/c/5f93d611b33a05bd03d6843c8efe8cb6a1992620

Patch

https://git.kernel.org/stable/c/ebeaa3b24ba568ff8505165f954dba15cc53e4b3