CVE Database›Document archive›CVE-2026-46142

CVE-2026-46142

kernel: net: libwx: fix VF illegal register access

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · May 28, 2026

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's libwx network driver. When a Virtual Function (VF) is initialized, it attempts to read a Physical Function (PF) restricted register, WX_CFG_PORT_ST. This illegal register access can lead to a system hang, resulting in a Denial of Service (DoS).

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-1220 · Insufficient Granularity of Access Control