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).
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 7.0.7-1 |
| debian | sid | fixed | 7.0.7-1 |
| debian | trixie | fixed | 6.12.88-1 |
| sles | affected | |
References
- https://git.kernel.org/stable/c/33c5bb50b9c40e8451e6aec4487a31d794b98d92
- https://git.kernel.org/stable/c/68a007a701bc06fa426507c551ef12514f2e721d
- https://git.kernel.org/stable/c/694de316f607fe2473d52ca0707e3918e72c1562
- https://git.kernel.org/stable/c/d3bd8040497968f6f5470018724ef7b0df92f707
- https://git.kernel.org/stable/c/f6e656f7cea16b638675a2ab7d7e4cf2516c5eb0
- https://security-tracker.debian.org/tracker/CVE-2026-46142
- https://www.suse.com/security/cve/CVE-2026-46142.html
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.