FKIE_CVE-2022-48782

Vulnerability from fkie_nvd - Published: 2024-07-16 12:15 - Updated: 2026-08-04 10:17
Severity
8.8 (High) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: mctp: fix use after free Clang static analysis reports this problem route.c:425:4: warning: Use of memory after it is freed trace_mctp_key_acquire(key); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ When mctp_key_add() fails, key is freed but then is later used in trace_mctp_key_acquire(). Add an else statement to use the key only when mctp_key_add() is successful.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81eMailing List, Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7bMailing List, Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81eMailing List, Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7bMailing List, Patch
Impacted products
Vendor Product Version
linux linux_kernel *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/mctp/route.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "1dd3ecbec5f606b2a526c47925c8634b1a6bb81e",
              "status": "affected",
              "version": "4f9e1ba6de45aa8797a83f1fe5b82ec4bac16899",
              "versionType": "git"
            },
            {
              "lessThan": "7e5b6a5c8c44310784c88c1c198dde79f6402f7b",
              "status": "affected",
              "version": "4f9e1ba6de45aa8797a83f1fe5b82ec4bac16899",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/mctp/route.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.16"
            },
            {
              "lessThan": "5.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.16.*",
              "status": "unaffected",
              "version": "5.16.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.17",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0D327234-5D4A-43DC-A6DF-BCA0CEBEC039",
              "versionEndExcluding": "5.16.11",
              "versionStartIncluding": "5.16",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmctp: fix use after free\n\nClang static analysis reports this problem\nroute.c:425:4: warning: Use of memory after it is freed\n  trace_mctp_key_acquire(key);\n  ^~~~~~~~~~~~~~~~~~~~~~~~~~~\nWhen mctp_key_add() fails, key is freed but then is later\nused in trace_mctp_key_acquire().  Add an else statement\nto use the key only when mctp_key_add() is successful."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mctp: corregir el use after free El an\u00e1lisis est\u00e1tico de Clang informa este problema route.c:425:4: advertencia: uso de la memoria despu\u00e9s de liberarla trace_mctp_key_acquire(key); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ Cuando mctp_key_add() falla, la clave se libera pero luego se usa en trace_mctp_key_acquire(). Agregue una declaraci\u00f3n else para usar la clave solo cuando mctp_key_add() sea exitoso."
    }
  ],
  "id": "CVE-2022-48782",
  "lastModified": "2026-08-04T10:17:20.477",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-48782",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-10T17:00:14.462603Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-07-16T12:15:03.290",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7b"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/1dd3ecbec5f606b2a526c47925c8634b1a6bb81e"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/7e5b6a5c8c44310784c88c1c198dde79f6402f7b"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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