FKIE_CVE-2025-71147

Vulnerability from fkie_nvd - Published: 2026-01-23 15:16 - Updated: 2026-06-17 10:03
Severity
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix a memory leak in tpm2_load_cmd 'tpm2_load_cmd' allocates a tempoary blob indirectly via 'tpm2_key_decode' but it is not freed in the failure paths. Address this by wrapping the blob into with a cleanup helper.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/19166de9737218b77122c41a5730ac87025e089fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3fd7df4636d8fd5e3592371967a5941204368936Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/62cd5d480b9762ce70d720a81fa5b373052ae05fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9b015f2918b95bdde2ca9cefa10ef02b138aae1ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9e7c63c69f57b1db1a8a1542359a6167ff8fcef1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/af0689cafb127a8d1af78cc8b72585c9b2a19ecdPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "security/keys/trusted-keys/trusted_tpm2.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "3fd7df4636d8fd5e3592371967a5941204368936",
              "status": "affected",
              "version": "f2219745250f388edacabe6cca73654131c67d0a",
              "versionType": "git"
            },
            {
              "lessThan": "af0689cafb127a8d1af78cc8b72585c9b2a19ecd",
              "status": "affected",
              "version": "f2219745250f388edacabe6cca73654131c67d0a",
              "versionType": "git"
            },
            {
              "lessThan": "19166de9737218b77122c41a5730ac87025e089f",
              "status": "affected",
              "version": "f2219745250f388edacabe6cca73654131c67d0a",
              "versionType": "git"
            },
            {
              "lessThan": "9b015f2918b95bdde2ca9cefa10ef02b138aae1e",
              "status": "affected",
              "version": "f2219745250f388edacabe6cca73654131c67d0a",
              "versionType": "git"
            },
            {
              "lessThan": "9e7c63c69f57b1db1a8a1542359a6167ff8fcef1",
              "status": "affected",
              "version": "f2219745250f388edacabe6cca73654131c67d0a",
              "versionType": "git"
            },
            {
              "lessThan": "62cd5d480b9762ce70d720a81fa5b373052ae05f",
              "status": "affected",
              "version": "f2219745250f388edacabe6cca73654131c67d0a",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "security/keys/trusted-keys/trusted_tpm2.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.13"
            },
            {
              "lessThan": "5.13",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.198",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.160",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.120",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.64",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.19",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "598618F2-2D23-4D47-A878-59BFD37881DC",
              "versionEndExcluding": "5.15.198",
              "versionStartIncluding": "5.13",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C10CC03E-16A9-428A-B449-40D3763E15F6",
              "versionEndExcluding": "6.1.160",
              "versionStartIncluding": "5.16",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "43C3A206-5EEE-417B-AA0F-EF8972E7A9F0",
              "versionEndExcluding": "6.6.120",
              "versionStartIncluding": "6.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "32BF4A52-377C-44ED-B5E6-7EA5D896E98B",
              "versionEndExcluding": "6.12.64",
              "versionStartIncluding": "6.7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2DC484D8-FB4F-4112-900F-AE333B6FE7A7",
              "versionEndExcluding": "6.18.3",
              "versionStartIncluding": "6.13",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKEYS: trusted: Fix a memory leak in tpm2_load_cmd\n\n\u0027tpm2_load_cmd\u0027 allocates a tempoary blob indirectly via \u0027tpm2_key_decode\u0027\nbut it is not freed in the failure paths. Address this by wrapping the blob\ninto with a cleanup helper."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nKEYS: trusted: Corregir una fuga de memoria en tpm2_load_cmd\n\n\u0027tpm2_load_cmd\u0027 asigna un blob temporal indirectamente a trav\u00e9s de \u0027tpm2_key_decode\u0027 pero no se libera en las rutas de fallo. Esto se aborda envolviendo el blob con una funci\u00f3n auxiliar de limpieza."
    }
  ],
  "id": "CVE-2025-71147",
  "lastModified": "2026-06-17T10:03:45.513",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "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",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-71147",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-10T20:41:59.884894Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-01-23T15:16:05.363",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/19166de9737218b77122c41a5730ac87025e089f"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/3fd7df4636d8fd5e3592371967a5941204368936"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/62cd5d480b9762ce70d720a81fa5b373052ae05f"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/9b015f2918b95bdde2ca9cefa10ef02b138aae1e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/9e7c63c69f57b1db1a8a1542359a6167ff8fcef1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/af0689cafb127a8d1af78cc8b72585c9b2a19ecd"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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