CVE-2026-46142
kernel: net: libwx: fix VF illegal register access
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Severity
UnknownRed Hat Product Security
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