net: libwx: fix VF illegal register access
Summary
| CVE | CVE-2026-46142 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-28 10:16:29 UTC |
| Updated | 2026-05-28 13:44:01 UTC |
| 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). |
Risk And Classification
EPSS: 0.000180000 probability, percentile 0.050080000 (date 2026-06-02)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected d4187ec2641061748480cdc944fd07653fad50d5 d3bd8040497968f6f5470018724ef7b0df92f707 git | Not specified |
| CNA | Linux | Linux | affected f0b3ecdbb5bbee8ca6b2892aba3988c8a3ce858e f6e656f7cea16b638675a2ab7d7e4cf2516c5eb0 git | Not specified |
| CNA | Linux | Linux | affected a04ea57aae375bdda1cb57034d8bcbb351e1f973 33c5bb50b9c40e8451e6aec4487a31d794b98d92 git | Not specified |
| CNA | Linux | Linux | affected a04ea57aae375bdda1cb57034d8bcbb351e1f973 68a007a701bc06fa426507c551ef12514f2e721d git | Not specified |
| CNA | Linux | Linux | affected a04ea57aae375bdda1cb57034d8bcbb351e1f973 694de316f607fe2473d52ca0707e3918e72c1562 git | Not specified |
| CNA | Linux | Linux | affected 93e52b75f11a8f39b22993ae315b5b9a6b2668a3 git | Not specified |
| CNA | Linux | Linux | affected 6.6.117 6.6.140 semver | Not specified |
| CNA | Linux | Linux | affected 6.12.58 6.12.88 semver | Not specified |
| CNA | Linux | Linux | affected 6.17.8 6.18 semver | Not specified |
| CNA | Linux | Linux | affected 6.18 | Not specified |
| CNA | Linux | Linux | unaffected 6.18 semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.140 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.88 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.30 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0.7 7.0.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1-rc3 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/f6e656f7cea16b638675a2ab7d7e4cf2516c5eb0 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/694de316f607fe2473d52ca0707e3918e72c1562 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/d3bd8040497968f6f5470018724ef7b0df92f707 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/68a007a701bc06fa426507c551ef12514f2e721d | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/33c5bb50b9c40e8451e6aec4487a31d794b98d92 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.