CVE-2026-46142
net: libwx: fix VF illegal register access
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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).
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 28, 2026 |
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Affected Versions
Linux / Linux
d4187ec2641061748480cdc944fd07653fad50d5 < d3bd8040497968f6f5470018724ef7b0df92f707 f0b3ecdbb5bbee8ca6b2892aba3988c8a3ce858e < f6e656f7cea16b638675a2ab7d7e4cf2516c5eb0 a04ea57aae375bdda1cb57034d8bcbb351e1f973 < 33c5bb50b9c40e8451e6aec4487a31d794b98d92 a04ea57aae375bdda1cb57034d8bcbb351e1f973 < 68a007a701bc06fa426507c551ef12514f2e721d a04ea57aae375bdda1cb57034d8bcbb351e1f973 < 694de316f607fe2473d52ca0707e3918e72c1562 93e52b75f11a8f39b22993ae315b5b9a6b2668a3 6.6.117 < 6.6.140 6.12.58 < 6.12.88 6.17.8 < 6.18
Linux / Linux
6.18
References
git.kernel.org: https://git.kernel.org/stable/c/d3bd8040497968f6f5470018724ef7b0df92f707 git.kernel.org: https://git.kernel.org/stable/c/f6e656f7cea16b638675a2ab7d7e4cf2516c5eb0 git.kernel.org: https://git.kernel.org/stable/c/33c5bb50b9c40e8451e6aec4487a31d794b98d92 git.kernel.org: https://git.kernel.org/stable/c/68a007a701bc06fa426507c551ef12514f2e721d git.kernel.org: https://git.kernel.org/stable/c/694de316f607fe2473d52ca0707e3918e72c1562