CVE-2026-46142
Medium
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).
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedMay 28, 2026
First seenMay 28, 2026
How to fix
Update
- linux linux_kernel6.6.140, 6.12.88, 6.18, 6.18.30, 7.0.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.6.117 ≤ v < 6.6.140, 6.12.58 ≤ v < 6.12.88, 6.17.8 ≤ v < 6.18, 6.18.1 ≤ v < 6.18.30, 6.19 ≤ v < 7.0.7, 6.18, 7.1 | 6.6.140, 6.12.88, 6.18, 6.18.30, 7.0.7 |
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