FKIE_CVE-2022-21505

Vulnerability from fkie_nvd - Published: 2024-12-24 19:15 - Updated: 2025-06-18 20:42
Severity ?
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
In the linux kernel, if IMA appraisal is used with the "ima_appraise=log" boot param, lockdown can be defeated with kexec on any machine when Secure Boot is disabled or unavailable. IMA prevents setting "ima_appraise=log" from the boot param when Secure Boot is enabled, but this does not cover cases where lockdown is used without Secure Boot. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity, Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).
References
secalert_us@oracle.comhttps://git.kernel.org/linus/543ce63b664e2c2f9533d089a4664b559c3e6b5bBroken Link
secalert_us@oracle.comhttps://linux.oracle.com/cve/CVE-2022-21505.htmlVendor Advisory
Impacted products
Vendor Product Version
oracle linux 7
oracle linux 8
oracle linux 9
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:oracle:linux:7:-:*:*:*:*:*:*",
              "matchCriteriaId": "44B8FEDF-6CB0-46E9-9AD7-4445B001C158",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:oracle:linux:8:-:*:*:*:*:*:*",
              "matchCriteriaId": "CA9021D6-6027-42E9-A12D-7EA32C5C63F1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:oracle:linux:9:-:*:*:*:*:*:*",
              "matchCriteriaId": "9E6116DA-D643-4C6D-8B90-0A41125F1EF0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the linux kernel, if IMA appraisal is used with the \"ima_appraise=log\" boot param, lockdown can be defeated with kexec on any machine when Secure Boot is disabled or unavailable. IMA prevents setting \"ima_appraise=log\" from the boot param when Secure Boot is enabled, but this does not cover cases where lockdown is used without Secure Boot. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity, Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, si se utiliza la evaluaci\u00f3n IMA con el par\u00e1metro de arranque \"ima_appraise=log\", el bloqueo se puede anular con kexec en cualquier m\u00e1quina cuando el arranque seguro est\u00e1 deshabilitado o no est\u00e1 disponible. IMA impide configurar \"ima_appraise=log\" desde el par\u00e1metro de arranque cuando el arranque seguro est\u00e1 habilitado, pero esto no cubre los casos en los que se utiliza el bloqueo sin arranque seguro. CVSS 3.1 Puntuaci\u00f3n base 6,7 (impactos de confidencialidad, integridad y disponibilidad). Vector CVSS: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)."
    }
  ],
  "id": "CVE-2022-21505",
  "lastModified": "2025-06-18T20:42:10.643",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9,
        "source": "secalert_us@oracle.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2024-12-24T19:15:06.763",
  "references": [
    {
      "source": "secalert_us@oracle.com",
      "tags": [
        "Broken Link"
      ],
      "url": "https://git.kernel.org/linus/543ce63b664e2c2f9533d089a4664b559c3e6b5b"
    },
    {
      "source": "secalert_us@oracle.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://linux.oracle.com/cve/CVE-2022-21505.html"
    }
  ],
  "sourceIdentifier": "secalert_us@oracle.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-346"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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