FKIE_CVE-2021-47490

Vulnerability from fkie_nvd - Published: 2024-05-22 09:15 - Updated: 2026-06-17 04:17
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: drm/ttm: fix memleak in ttm_transfered_destroy We need to cleanup the fences for ghost objects as well. Bug: https://bugzilla.kernel.org/show_bug.cgi?id=214029 Bug: https://bugzilla.kernel.org/show_bug.cgi?id=214447
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0db55f9a1bafbe3dac750ea669de9134922389b5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/132a3d998d6753047f22152731fba2b0d6b463ddPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0db55f9a1bafbe3dac750ea669de9134922389b5Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/132a3d998d6753047f22152731fba2b0d6b463ddPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/960b1fdfc39aba8f41e9e27b2de0c925c74182d9Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/bbc920fb320f1c241cc34ac85edaa0058922246aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/bd99782f3ca491879e8524c89b1c0f40071903bdPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c21b4002214c1c7e7b627b9b53375612f7aab6dbPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 5.15
linux linux_kernel 5.15
linux linux_kernel 5.15
linux linux_kernel 5.15
linux linux_kernel 5.15
linux linux_kernel 5.15
linux linux_kernel 5.15
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/ttm/ttm_bo_util.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "132a3d998d6753047f22152731fba2b0d6b463dd",
              "status": "affected",
              "version": "d02117f8efaa5fbc37437df1ae955a147a2a424a",
              "versionType": "git"
            },
            {
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              "status": "affected",
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/ttm/ttm_bo_util.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.14"
            },
            {
              "lessThan": "5.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.14.*",
              "status": "unaffected",
              "version": "5.14.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.15",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
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              "versionEndExcluding": "5.4.157",
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/ttm: fix memleak in ttm_transfered_destroy\n\nWe need to cleanup the fences for ghost objects as well.\n\nBug: https://bugzilla.kernel.org/show_bug.cgi?id=214029\nBug: https://bugzilla.kernel.org/show_bug.cgi?id=214447"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/ttm: corrige memleak en ttm_transfered_destroy Tambi\u00e9n necesitamos limpiar las barreras para detectar objetos fantasma. Error: https://bugzilla.kernel.org/show_bug.cgi?id=214029 Error: https://bugzilla.kernel.org/show_bug.cgi?id=214447"
    }
  ],
  "id": "CVE-2021-47490",
  "lastModified": "2026-06-17T04:17:36.827",
  "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-2021-47490",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-06-06T18:35:40.816155Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-05-22T09:15:10.837",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/0db55f9a1bafbe3dac750ea669de9134922389b5"
    },
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/132a3d998d6753047f22152731fba2b0d6b463dd"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
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    },
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    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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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

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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.


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