Medium severity5.5NVD Advisory· Published May 28, 2026· Updated Jun 24, 2026
CVE-2026-46142
CVE-2026-46142
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).
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Affected products
10cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 7 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.6.117,<6.6.140
- cpe:2.3:o:linux:linux_kernel:6.18:-:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.18:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.18:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.18:rc7:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*
- (no CPE)
- osv-coords2 versions
< 6.6.140+ 1 more
- (no CPE)range: < 6.6.140
- (no CPE)range: < 7.0.11-1.1
Patches
Vulnerability mechanics
References
5- git.kernel.org/stable/c/33c5bb50b9c40e8451e6aec4487a31d794b98d92nvdPatch
- git.kernel.org/stable/c/68a007a701bc06fa426507c551ef12514f2e721dnvdPatch
- git.kernel.org/stable/c/694de316f607fe2473d52ca0707e3918e72c1562nvdPatch
- git.kernel.org/stable/c/d3bd8040497968f6f5470018724ef7b0df92f707nvdPatch
- git.kernel.org/stable/c/f6e656f7cea16b638675a2ab7d7e4cf2516c5eb0nvdPatch
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