Vulnerability-Lookup

GHSA-9M3H-RXWG-69RX

Vulnerability from github – Published: 2026-05-28 12:30 – Updated: 2026-05-28 12:30

Details

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).

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{
  "affected": [],
  "aliases": [
    "CVE-2026-46142"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-28T10:16:29Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: libwx: fix VF illegal register access\n\nRegister WX_CFG_PORT_ST is a PF restricted register. When a VF is\ninitialized, attempting to read this register triggers an illegal\nregister access, which lead to a system hang.\n\nWhen the device is VF, the bus function ID can be obtained directly from\nthe PCI_FUNC(pdev-\u003edevfn).",
  "id": "GHSA-9m3h-rxwg-69rx",
  "modified": "2026-05-28T12:30:30Z",
  "published": "2026-05-28T12:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46142"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/33c5bb50b9c40e8451e6aec4487a31d794b98d92"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/68a007a701bc06fa426507c551ef12514f2e721d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/694de316f607fe2473d52ca0707e3918e72c1562"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d3bd8040497968f6f5470018724ef7b0df92f707"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f6e656f7cea16b638675a2ab7d7e4cf2516c5eb0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-46142 (GCVE-0-2026-46142)

Vulnerability from cvelistv5 – Published: 2026-05-28 09:35 – Updated: 2026-05-28 09:35

Title

net: libwx: fix VF illegal register access

Summary

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).

Severity

No CVSS data available.

Assigner

Linux

References

5 references

URL	Tags
https://git.kernel.org/stable/c/d3bd8040497968f6f…
https://git.kernel.org/stable/c/f6e656f7cea16b638…
https://git.kernel.org/stable/c/33c5bb50b9c40e845…
https://git.kernel.org/stable/c/68a007a701bc06fa4…
https://git.kernel.org/stable/c/694de316f607fe247…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: d4187ec2641061748480cdc944fd07653fad50d5 , < d3bd8040497968f6f5470018724ef7b0df92f707 (git) Affected: f0b3ecdbb5bbee8ca6b2892aba3988c8a3ce858e , < f6e656f7cea16b638675a2ab7d7e4cf2516c5eb0 (git) Affected: a04ea57aae375bdda1cb57034d8bcbb351e1f973 , < 33c5bb50b9c40e8451e6aec4487a31d794b98d92 (git) Affected: a04ea57aae375bdda1cb57034d8bcbb351e1f973 , < 68a007a701bc06fa426507c551ef12514f2e721d (git) Affected: a04ea57aae375bdda1cb57034d8bcbb351e1f973 , < 694de316f607fe2473d52ca0707e3918e72c1562 (git) Affected: 93e52b75f11a8f39b22993ae315b5b9a6b2668a3 (git) Affected: 6.6.117 , < 6.6.140 (semver) Affected: 6.12.58 , < 6.12.88 (semver) Affected: 6.17.8 , < 6.18 (semver)
Linux	Linux	Affected: 6.18 Unaffected: 0 , < 6.18 (semver) Unaffected: 6.6.140 , ≤ 6.6.* (semver) Unaffected: 6.12.88 , ≤ 6.12.* (semver) Unaffected: 6.18.30 , ≤ 6.18.* (semver) Unaffected: 7.0.7 , ≤ 7.0.* (semver) Unaffected: 7.1-rc3 , ≤ * (original_commit_for_fix)

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{
  "containers": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/wangxun/libwx/wx_hw.c"
          ],
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          "versions": [
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              "version": "6.18"
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.140",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "6.12.88",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "6.18.30",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1-rc3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
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        }
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      "providerMetadata": {
        "dateUpdated": "2026-05-28T09:35:57.837Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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        },
        {
          "url": "https://git.kernel.org/stable/c/694de316f607fe2473d52ca0707e3918e72c1562"
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      "title": "net: libwx: fix VF illegal register access",
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    "datePublished": "2026-05-28T09:35:57.837Z",
    "dateReserved": "2026-05-13T15:03:33.100Z",
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    "state": "PUBLISHED"
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-9M3H-RXWG-69RX

CVE-2026-46142 (GCVE-0-2026-46142)

Tags

Sightings

Nomenclature