CVE-2026-46142net: libwx: fix VF illegal register access
- 5.5MediumCVSS base score
- 0.13%Exploitation in 30 daysEPSS · top 98% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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).
Timeline
ID reserved
By Linux
- 15 days later
· 15 days later
Published
- 17 days later
· 17 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Undergoing Analysis | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.13% · top 98% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected d4187ec2641061748480cdc944fd07653fad50d5 – < d3bd8040497968f6f5470018724ef7b0df92f707
- affected f0b3ecdbb5bbee8ca6b2892aba3988c8a3ce858e – < f6e656f7cea16b638675a2ab7d7e4cf2516c5eb0
- affected a04ea57aae375bdda1cb57034d8bcbb351e1f973 – < 33c5bb50b9c40e8451e6aec4487a31d794b98d92
- affected a04ea57aae375bdda1cb57034d8bcbb351e1f973 – < 68a007a701bc06fa426507c551ef12514f2e721d
- affected a04ea57aae375bdda1cb57034d8bcbb351e1f973 – < 694de316f607fe2473d52ca0707e3918e72c1562
- affected 93e52b75f11a8f39b22993ae315b5b9a6b2668a3
- affected 6.6.117 – < 6.6.140
- affected 6.12.58 – < 6.12.88
- affected 6.17.8 – < 6.18
- affected 6.18
- unaffected < 6.18
- unaffected 6.6.140 – ≤ 6.6.*
- unaffected 6.12.88 – ≤ 6.12.*
- unaffected 6.18.30 – ≤ 6.18.*
- unaffected 7.0.7 – ≤ 7.0.*
- unaffected 7.1 – ≤ *
References
References5
- https://git.kernel.org/stable/c/d3bd8040497968f6f5470018724ef7b0df92f707 (opens in a new tab)
- https://git.kernel.org/stable/c/f6e656f7cea16b638675a2ab7d7e4cf2516c5eb0 (opens in a new tab)
- https://git.kernel.org/stable/c/33c5bb50b9c40e8451e6aec4487a31d794b98d92 (opens in a new tab)
- https://git.kernel.org/stable/c/68a007a701bc06fa426507c551ef12514f2e721d (opens in a new tab)
- https://git.kernel.org/stable/c/694de316f607fe2473d52ca0707e3918e72c1562 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-32769 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-46142)Record last updated .