CVE-2026-46142

net: libwx: fix VF illegal register access

published May 28, 2026

CVSS
—
EPSS
0%
Percentile
5.0
In the wild
Unconfirmed
What it is

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).

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00162 · 5.0th percentile
Published
2026-05-28T09:35Z
EPSS history
Timeline
  • 28 MAY 09:35Z
    net: libwx: fix VF illegal register access
    cvelistv5