CVE-2026-46142net: libwx: fix VF illegal register access
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
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).
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Undergoing Analysis
- Record last updated
- Jun 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from d4187ec2641061748480cdc944fd07653fad50d5 before d3bd8040497968f6f5470018724ef7b0df92f707; from f0b3ecdbb5bbee8ca6b2892aba3988c8a3ce858e before f6e656f7cea16b638675a2ab7d7e4cf2516c5eb0; from a04ea57aae375bdda1cb57034d8bcbb351e1f973 before 33c5bb50b9c40e8451e6aec4487a31d794b98d92; from a04ea57aae375bdda1cb57034d8bcbb351e1f973 before 68a007a701bc06fa426507c551ef12514f2e721d; from a04ea57aae375bdda1cb57034d8bcbb351e1f973 before 694de316f607fe2473d52ca0707e3918e72c1562; 93e52b75f11a8f39b22993ae315b5b9a6b2668a3; from 6.6.117 before 6.6.140; from 6.12.58 before 6.12.88; and 1 more ranges | CNA record |
linux linux_kernel linux:linux_kernel | from 6.6.117 before 6.6.140; from 6.12.58 before 6.12.88; from 6.17.8 before 6.18; from 6.18.1 before 6.18.30; from 6.19 before 7.0.7; 6.18; 6.18; 6.18; and 3 more ranges | NVD |
References
- https://git.kernel.org/stable/c/d3bd8040497968f6f5470018724ef7b0df92f707patch
- https://git.kernel.org/stable/c/f6e656f7cea16b638675a2ab7d7e4cf2516c5eb0patch
- https://git.kernel.org/stable/c/33c5bb50b9c40e8451e6aec4487a31d794b98d92patch
- https://git.kernel.org/stable/c/68a007a701bc06fa426507c551ef12514f2e721dpatch
- https://git.kernel.org/stable/c/694de316f607fe2473d52ca0707e3918e72c1562patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.