Linux Kernel Vulnerability in WCN7850 Due to Multi-Link WoW Offloads
CVE-2026-46271

7.8HIGH

Key Information:

Vendor

Linux
Status
Linux
Vendor
CVE Published:
3 June 2026

What is CVE-2026-46271?

A vulnerability exists in the Linux kernel affecting the WCN7850 firmware, where Wake on Wireless (WoW) offloads can cause firmware crashes when activated on both primary and secondary links during multi-link connections. This issue has been addressed by restricting WoW offloads to only the primary link, preventing unexpected crashes and enhancing the stability of the firmware.

Affected Version(s)

Linux 32f7b19668bd2894f1a236580c2132fc4b9f4449 < 7379837c3f9efa576dc2d716ebfaa3a113b3112f

Linux 32f7b19668bd2894f1a236580c2132fc4b9f4449

Linux 32f7b19668bd2894f1a236580c2132fc4b9f4449

References

https://git.kernel.org/stable/c/7379837c3f9efa576dc2d716e...
https://git.kernel.org/stable/c/e042da1085d9f1686c58a4378...
https://git.kernel.org/stable/c/e62102ac9b773bdb08475aa9c...

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.