CVE-2026-46142

In the Linux kernel, the following vulnerability has been resolved: net: libwx: fix VF illegal register access Register WX_CFG_PORT_ST ...

Published: 2026-05-28 · Last updated: 2026-05-28

Severity and scoring

Description

In the Linux kernel, the following vulnerability has been resolved: net: libwx: fix VF illegal register access Register WX_CFG_PORT_ST is a PF restricted register. When a VF is initialized, attempting to read this register triggers an illegal register access, which lead to a system hang. When the device is VF, the bus function ID can be obtained directly from the PCI_FUNC(pdev->devfn).

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-46142
[Other]https://git.kernel.org/stable/c/33c5bb50b9c40e8451e6aec4487a31d794b98d92
[Other]https://git.kernel.org/stable/c/68a007a701bc06fa426507c551ef12514f2e721d
[Other]https://git.kernel.org/stable/c/694de316f607fe2473d52ca0707e3918e72c1562
[Other]https://git.kernel.org/stable/c/d3bd8040497968f6f5470018724ef7b0df92f707
[Other]https://git.kernel.org/stable/c/f6e656f7cea16b638675a2ab7d7e4cf2516c5eb0