Always-Incorrect Control Flow Implementation in Linux kernel - CVE-2026-46271
Published: June 4, 2026
Vulnerability identifier: #VU133310
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-46271
CWE-ID: CWE-670
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper handling of WoW offloads in the ath12k Wi-Fi driver when processing multi-link connections. A local user can trigger WoW offloads on both primary and secondary links to cause a denial of service.
The issue affects WCN7850 firmware in multi-link connection scenarios.
How to mitigate CVE-2026-46271
Install security update from vendor's repository.