ubuntu-cve-2025-4922
Vulnerability from osv_ubuntu
Published
2025-06-11 14:15
Modified
2025-10-24 05:16
Summary
Details

Nomad Community and Nomad Enterprise (“Nomad”) prefix-based ACL policy lookup can lead to incorrect rule application and shadowing. This vulnerability, identified as CVE-2025-4922, is fixed in Nomad Community Edition 1.10.2 and Nomad Enterprise 1.10.2, 1.9.10, and 1.8.14.

Severity
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nomad",
            "binary_version": "0.4.0+dfsg-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "nomad",
        "purl": "pkg:deb/ubuntu/nomad@0.4.0+dfsg-1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.4.0+dfsg-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nomad",
            "binary_version": "0.8.7+dfsg1-1ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "nomad",
        "purl": "pkg:deb/ubuntu/nomad@0.8.7+dfsg1-1ubuntu1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.8.7+dfsg1-1ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "Nomad Community and Nomad Enterprise (\u201cNomad\u201d) prefix-based ACL policy lookup can lead to incorrect rule application and shadowing. This vulnerability, identified as CVE-2025-4922, is fixed in Nomad Community Edition 1.10.2 and Nomad Enterprise 1.10.2, 1.9.10, and 1.8.14.",
  "id": "UBUNTU-CVE-2025-4922",
  "modified": "2025-10-24T05:16:32Z",
  "published": "2025-06-11T14:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-4922"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-4922"
    },
    {
      "type": "REPORT",
      "url": "https://discuss.hashicorp.com/t/hcsec-2025-12-nomad-vulnerable-to-incorrect-acl-policy-lookup-attached-to-a-job/75396"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2025-4922"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.