GSD-2021-47009

Vulnerability from gsd - Updated: 2024-02-28 06:03
Details
In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix memory leak on object td Two error return paths are neglecting to free allocated object td, causing a memory leak. Fix this by returning via the error return path that securely kfree's td. Fixes clang scan-build warning: security/keys/trusted-keys/trusted_tpm1.c:496:10: warning: Potential memory leak [unix.Malloc]
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{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-47009"
      ],
      "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nKEYS: trusted: Fix memory leak on object td\n\nTwo error return paths are neglecting to free allocated object td,\ncausing a memory leak. Fix this by returning via the error return\npath that securely kfree\u0027s td.\n\nFixes clang scan-build warning:\nsecurity/keys/trusted-keys/trusted_tpm1.c:496:10: warning: Potential\nmemory leak [unix.Malloc]",
      "id": "GSD-2021-47009",
      "modified": "2024-02-28T06:03:55.888117Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@kernel.org",
        "ID": "CVE-2021-47009",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Linux",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "9d83cc1a1e7f",
                          "version_value": "31c9a4b24d86"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "8cfc8d629421",
                          "version_value": "1c4031014106"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "5df16caada3f",
                          "version_value": "3e24fbd37e72"
                        },
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected",
                            "versions": [
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                                "status": "affected",
                                "version": "5.12"
                              },
                              {
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                                "status": "unaffected",
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                              },
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                              {
                                "lessThanOrEqual": "*",
                                "status": "unaffected",
                                "version": "5.13",
                                "versionType": "original_commit_for_fix"
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      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
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            "lang": "eng",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKEYS: trusted: Fix memory leak on object td\n\nTwo error return paths are neglecting to free allocated object td,\ncausing a memory leak. Fix this by returning via the error return\npath that securely kfree\u0027s td.\n\nFixes clang scan-build warning:\nsecurity/keys/trusted-keys/trusted_tpm1.c:496:10: warning: Potential\nmemory leak [unix.Malloc]"
          }
        ]
      },
      "generator": {
        "engine": "bippy-851b3ed3d212"
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      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://git.kernel.org/stable/c/31c9a4b24d86cbb36ff0d7a085725a3b4f0138c8",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/31c9a4b24d86cbb36ff0d7a085725a3b4f0138c8"
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            "url": "https://git.kernel.org/stable/c/1c4031014106aff48e1e686e40101c31eab5d44c"
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            "url": "https://git.kernel.org/stable/c/3e24fbd37e72e8a67b74991970fecc82d14f57af"
          },
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            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/83a775d5f9bfda95b1c295f95a3a041a40c7f321"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKEYS: trusted: Fix memory leak on object td\n\nTwo error return paths are neglecting to free allocated object td,\ncausing a memory leak. Fix this by returning via the error return\npath that securely kfree\u0027s td.\n\nFixes clang scan-build warning:\nsecurity/keys/trusted-keys/trusted_tpm1.c:496:10: warning: Potential\nmemory leak [unix.Malloc]"
          }
        ],
        "id": "CVE-2021-47009",
        "lastModified": "2024-02-28T14:06:45.783",
        "metrics": {},
        "published": "2024-02-28T09:15:38.610",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/1c4031014106aff48e1e686e40101c31eab5d44c"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/31c9a4b24d86cbb36ff0d7a085725a3b4f0138c8"
          },
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            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/83a775d5f9bfda95b1c295f95a3a041a40c7f321"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Awaiting Analysis"
      }
    }
  }
}



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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.

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