Vulnerability-Lookup

GHSA-HHV3-Q8WP-5P98

Vulnerability from github – Published: 2026-07-19 18:31 – Updated: 2026-07-19 18:31

Details

In the Linux kernel, the following vulnerability has been resolved:

ethtool: module: avoid leaking a netdev ref on module flash errors

module_flash_fw_schedule() is missing undo for setting the "in_progress" flag and taking the netdev reference. Delay taking these, the device can't disappear while we are holding rtnl_lock.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-63997"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-19T16:17:39Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nethtool: module: avoid leaking a netdev ref on module flash errors\n\nmodule_flash_fw_schedule() is missing undo for setting\nthe \"in_progress\" flag and taking the netdev reference.\nDelay taking these, the device can\u0027t disappear while\nwe are holding rtnl_lock.",
  "id": "GHSA-hhv3-q8wp-5p98",
  "modified": "2026-07-19T18:31:48Z",
  "published": "2026-07-19T18:31:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63997"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/61848c83b9132ab839809fe415ba7802a0aca4f6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/956b134d917fd7e014dc7e39a9b7610c04fcc9ba"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f7b4513e77f9571dc1041a798b93b5c4a4bfc191"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fb7f511d62692661846c47f199e0afe25c2982db"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-63997 (GCVE-0-2026-63997)

Vulnerability from cvelistv5 – Published: 2026-07-19 14:56 – Updated: 2026-07-19 14:56

Title

ethtool: module: avoid leaking a netdev ref on module flash errors

Summary

In the Linux kernel, the following vulnerability has been resolved: ethtool: module: avoid leaking a netdev ref on module flash errors module_flash_fw_schedule() is missing undo for setting the "in_progress" flag and taking the netdev reference. Delay taking these, the device can't disappear while we are holding rtnl_lock.

Severity

No CVSS data available.

Assigner

Linux

References

4 references

URL	Tags
https://git.kernel.org/stable/c/f7b4513e77f9571dc…
https://git.kernel.org/stable/c/61848c83b9132ab83…
https://git.kernel.org/stable/c/956b134d917fd7e01…
https://git.kernel.org/stable/c/fb7f511d626926618…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e , < f7b4513e77f9571dc1041a798b93b5c4a4bfc191 (git) Affected: 32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e , < 61848c83b9132ab839809fe415ba7802a0aca4f6 (git) Affected: 32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e , < 956b134d917fd7e014dc7e39a9b7610c04fcc9ba (git) Affected: 32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e , < fb7f511d62692661846c47f199e0afe25c2982db (git)
Linux	Linux	Affected: 6.11 Unaffected: 0 , < 6.11 (semver) Unaffected: 6.12.93 , ≤ 6.12.* (semver) Unaffected: 6.18.35 , ≤ 6.18.* (semver) Unaffected: 7.0.12 , ≤ 7.0.* (semver) Unaffected: 7.1 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/ethtool/module.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "f7b4513e77f9571dc1041a798b93b5c4a4bfc191",
              "status": "affected",
              "version": "32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e",
              "versionType": "git"
            },
            {
              "lessThan": "61848c83b9132ab839809fe415ba7802a0aca4f6",
              "status": "affected",
              "version": "32b4c8b53ee7799e34a2b1634d32d3ce1e36c44e",
              "versionType": "git"
            },
            {
              "lessThan": "956b134d917fd7e014dc7e39a9b7610c04fcc9ba",
              "status": "affected",
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              "versionType": "git"
            },
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/ethtool/module.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.11"
            },
            {
              "lessThan": "6.11",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "6.12.93",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.35",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.12",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.93",
                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "6.11",
                  "vulnerable": true
                },
                {
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                },
                {
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                  "versionEndExcluding": "7.1",
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nethtool: module: avoid leaking a netdev ref on module flash errors\n\nmodule_flash_fw_schedule() is missing undo for setting\nthe \"in_progress\" flag and taking the netdev reference.\nDelay taking these, the device can\u0027t disappear while\nwe are holding rtnl_lock."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-19T14:56:15.965Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/f7b4513e77f9571dc1041a798b93b5c4a4bfc191"
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        {
          "url": "https://git.kernel.org/stable/c/fb7f511d62692661846c47f199e0afe25c2982db"
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      ],
      "title": "ethtool: module: avoid leaking a netdev ref on module flash errors",
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  "cveMetadata": {
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    "cveId": "CVE-2026-63997",
    "datePublished": "2026-07-19T14:56:15.965Z",
    "dateReserved": "2026-07-19T07:54:57.026Z",
    "dateUpdated": "2026-07-19T14:56:15.965Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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-HHV3-Q8WP-5P98

CVE-2026-63997 (GCVE-0-2026-63997)

Tags

Sightings

Nomenclature