Vulnerability-Lookup

GHSA-GMX5-VGH2-2G4V

Vulnerability from github – Published: 2025-09-18 15:30 – Updated: 2025-12-12 18:30

Details

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

NFS: Fix an Oops in nfs_d_automount()

When mounting from a NFSv4 referral, path->dentry can end up being a negative dentry, so derive the struct nfs_server from the dentry itself instead.

Severity

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2022-50385"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-18T14:15:37Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFS: Fix an Oops in nfs_d_automount()\n\nWhen mounting from a NFSv4 referral, path-\u003edentry can end up being a\nnegative dentry, so derive the struct nfs_server from the dentry\nitself instead.",
  "id": "GHSA-gmx5-vgh2-2g4v",
  "modified": "2025-12-12T18:30:28Z",
  "published": "2025-09-18T15:30:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50385"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/35e3b6ae84935d0d7ff76cbdaa83411b0ad5e471"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5458bc0f9df639d83471ca384152cc62dbee0aeb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6f3d56783fbed861e483736a7001bdafd0dddd53"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b6fd25d64b0de27991d6bd677f0adf69ad6ff07a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f12377abac15fb4e8698225ac386894f8ae63598"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2022-50385 (GCVE-0-2022-50385)

Vulnerability from cvelistv5 – Published: 2025-09-18 13:33 – Updated: 2026-05-11 19:18

Title

NFS: Fix an Oops in nfs_d_automount()

Summary

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix an Oops in nfs_d_automount() When mounting from a NFSv4 referral, path->dentry can end up being a negative dentry, so derive the struct nfs_server from the dentry itself instead.

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-01-14 18:48 UTC

CWE

CWE-noinfo Not enough information

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 6637 records in the last 180 days details

References

5 references

URL	Tags
https://git.kernel.org/stable/c/5458bc0f9df639d83…
https://git.kernel.org/stable/c/f12377abac15fb4e8…
https://git.kernel.org/stable/c/b6fd25d64b0de2799…
https://git.kernel.org/stable/c/6f3d56783fbed861e…
https://git.kernel.org/stable/c/35e3b6ae84935d0d7…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 2b0143b5c986be1ce8408b3aadc4709e0a94429d , < 5458bc0f9df639d83471ca384152cc62dbee0aeb (git) Affected: 2b0143b5c986be1ce8408b3aadc4709e0a94429d , < f12377abac15fb4e8698225ac386894f8ae63598 (git) Affected: 2b0143b5c986be1ce8408b3aadc4709e0a94429d , < b6fd25d64b0de27991d6bd677f0adf69ad6ff07a (git) Affected: 2b0143b5c986be1ce8408b3aadc4709e0a94429d , < 6f3d56783fbed861e483736a7001bdafd0dddd53 (git) Affected: 2b0143b5c986be1ce8408b3aadc4709e0a94429d , < 35e3b6ae84935d0d7ff76cbdaa83411b0ad5e471 (git)
Linux	Linux	Affected: 4.1 Unaffected: 0 , < 4.1 (semver) Unaffected: 5.10.163 , ≤ 5.10.* (semver) Unaffected: 5.15.86 , ≤ 5.15.* (semver) Unaffected: 6.0.16 , ≤ 6.0.* (semver) Unaffected: 6.1.2 , ≤ 6.1.* (semver) Unaffected: 6.2 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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              "content": {
                "id": "CVE-2022-50385",
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          "dateUpdated": "2026-01-14T18:53:04.539Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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              "status": "unaffected",
              "version": "6.0.16",
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            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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              "cpeMatch": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFS: Fix an Oops in nfs_d_automount()\n\nWhen mounting from a NFSv4 referral, path-\u003edentry can end up being a\nnegative dentry, so derive the struct nfs_server from the dentry\nitself instead."
        }
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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.

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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