cve-2021-47466
Vulnerability from cvelistv5
Published
2024-05-22 06:23
Modified
2024-11-04 12:06
Severity ?
Summary
mm, slub: fix potential memoryleak in kmem_cache_open()
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/42b81946e3ac9ea0372ba16e05160dc11e02694f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4f5d1c29cfab5cb0ab885059818751bdef32e2bb
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/568f906340b43120abd6fcc67c37396482f85930
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9037c57681d25e4dcc442d940d6dbe24dd31f461
Impacted products
Vendor Product Version
Linux Linux Version: 4.8
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T05:39:59.454Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/4f5d1c29cfab5cb0ab885059818751bdef32e2bb"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/568f906340b43120abd6fcc67c37396482f85930"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/42b81946e3ac9ea0372ba16e05160dc11e02694f"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/9037c57681d25e4dcc442d940d6dbe24dd31f461"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-47466",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T15:36:11.672378Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-11T17:32:53.631Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "mm/slub.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "4f5d1c29cfab",
              "status": "affected",
              "version": "210e7a43fa90",
              "versionType": "git"
            },
            {
              "lessThan": "568f906340b4",
              "status": "affected",
              "version": "210e7a43fa90",
              "versionType": "git"
            },
            {
              "lessThan": "42b81946e3ac",
              "status": "affected",
              "version": "210e7a43fa90",
              "versionType": "git"
            },
            {
              "lessThan": "9037c57681d2",
              "status": "affected",
              "version": "210e7a43fa90",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "mm/slub.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.8"
            },
            {
              "lessThan": "4.8",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.156",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.76",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.14.*",
              "status": "unaffected",
              "version": "5.14.15",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.15",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm, slub: fix potential memoryleak in kmem_cache_open()\n\nIn error path, the random_seq of slub cache might be leaked.  Fix this\nby using __kmem_cache_release() to release all the relevant resources."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-04T12:06:29.452Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/4f5d1c29cfab5cb0ab885059818751bdef32e2bb"
        },
        {
          "url": "https://git.kernel.org/stable/c/568f906340b43120abd6fcc67c37396482f85930"
        },
        {
          "url": "https://git.kernel.org/stable/c/42b81946e3ac9ea0372ba16e05160dc11e02694f"
        },
        {
          "url": "https://git.kernel.org/stable/c/9037c57681d25e4dcc442d940d6dbe24dd31f461"
        }
      ],
      "title": "mm, slub: fix potential memoryleak in kmem_cache_open()",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2021-47466",
    "datePublished": "2024-05-22T06:23:25.674Z",
    "dateReserved": "2024-05-22T06:20:56.198Z",
    "dateUpdated": "2024-11-04T12:06:29.452Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47466\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-22T07:15:11.450\",\"lastModified\":\"2024-05-22T12:46:53.887\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmm, slub: fix potential memoryleak in kmem_cache_open()\\n\\nIn error path, the random_seq of slub cache might be leaked.  Fix this\\nby using __kmem_cache_release() to release all the relevant resources.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mm, slub: corrige una posible p\u00e9rdida de memoria en kmem_cache_open() En la ruta del error, es posible que se haya filtrado el random_seq del cach\u00e9 slub. Solucione este problema usando __kmem_cache_release() para liberar todos los recursos relevantes.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/42b81946e3ac9ea0372ba16e05160dc11e02694f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4f5d1c29cfab5cb0ab885059818751bdef32e2bb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/568f906340b43120abd6fcc67c37396482f85930\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9037c57681d25e4dcc442d940d6dbe24dd31f461\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.