VulnSocial

CVE-2026-46142Patch(linux / linux_kernel)

LOWCVSS 5.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch linux linux_kernel systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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).

linux CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Patch / fix

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • linux_kernel

Threat summary

  • Patch or workaround signal is available
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • 1 total mentions across 1 day

Affected systems

Vendors
linux
Products
linux_kernel

2 versions affected across 1 product

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-05-29: 1Patch / Workaround · 2026-05-29: 1Technical Details · 2026-05-29: 105-29
Signal classification1 categories
Patch
1100.0%
Referenced assets1 URL
Full discourse1 post
  • WindowsForum@windowsforum
    Patch

    🪟 “Small patch” for CVE-2026-46142… until your SR-IOV virtualization host freezes mid-demo. This matters because a tiny driver assumption (PF-only register) becomes a whole outage. https://windowsforum.com/threads/cve-2026-46142-libwx-sr-iov-vf-hang-small-patch-big-virtualization-lesson.420758/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #LinuxKernel #Cve202646142 #SrIov #NicDriver https://t.co/MVPns8dSgM

    Post summary

    The tweet announces a small patch for CVE‑2026‑46142 and links to a forum discussion on the fix, but it does not provide exploit code or evidence of live attacks.

    0000046
    1.1K followersView on X
CPE platform detail7 entries

7 of 7 entries

PartVendorProductVersionTarget SWTarget HW
OSlinuxlinux_kernel---
OSlinuxlinux_kernel6.18--
OSlinuxlinux_kernel6.18--
OSlinuxlinux_kernel6.18--
OSlinuxlinux_kernel6.18--
OSlinuxlinux_kernel7.1--
OSlinuxlinux_kernel7.1--

Explore more

Back to dashboardlinux CVEslinux_kernel vulnerabilities