cve-2021-47538
Vulnerability from cvelistv5
Published
2024-05-24 15:09
Modified
2024-11-04 12:07
Severity ?
Summary
rxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer()
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3e70e3a72d80b16094faccbe438cd53761c3503a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/60f0b9c42cb80833a03ca57c1c8b078d716e71d1
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/913c24af2d13a3fd304462916ee98e298d56bdce
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9469273e616ca8f1b6e3773c5019f21b4c8d828c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/beacff50edbd6c9659a6f15fc7f6126909fade29
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-47538",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-05-24T19:15:07.366329Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:14:56.132Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T05:39:59.621Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/913c24af2d13a3fd304462916ee98e298d56bdce"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/3e70e3a72d80b16094faccbe438cd53761c3503a"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/60f0b9c42cb80833a03ca57c1c8b078d716e71d1"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/9469273e616ca8f1b6e3773c5019f21b4c8d828c"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/beacff50edbd6c9659a6f15fc7f6126909fade29"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/rxrpc/peer_object.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "913c24af2d13",
              "status": "affected",
              "version": "e8e51ce79c15",
              "versionType": "git"
            },
            {
              "lessThan": "3e70e3a72d80",
              "status": "affected",
              "version": "9ebeddef58c4",
              "versionType": "git"
            },
            {
              "lessThan": "60f0b9c42cb8",
              "status": "affected",
              "version": "9ebeddef58c4",
              "versionType": "git"
            },
            {
              "lessThan": "9469273e616c",
              "status": "affected",
              "version": "9ebeddef58c4",
              "versionType": "git"
            },
            {
              "lessThan": "beacff50edbd",
              "status": "affected",
              "version": "9ebeddef58c4",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/rxrpc/peer_object.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.4"
            },
            {
              "lessThan": "5.4",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.220",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.164",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.84",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.16",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer()\n\nNeed to call rxrpc_put_local() for peer candidate before kfree() as it\nholds a ref to rxrpc_local.\n\n[DH: v2: Changed to abstract the peer freeing code out into a function]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-04T12:07:52.125Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/913c24af2d13a3fd304462916ee98e298d56bdce"
        },
        {
          "url": "https://git.kernel.org/stable/c/3e70e3a72d80b16094faccbe438cd53761c3503a"
        },
        {
          "url": "https://git.kernel.org/stable/c/60f0b9c42cb80833a03ca57c1c8b078d716e71d1"
        },
        {
          "url": "https://git.kernel.org/stable/c/9469273e616ca8f1b6e3773c5019f21b4c8d828c"
        },
        {
          "url": "https://git.kernel.org/stable/c/beacff50edbd6c9659a6f15fc7f6126909fade29"
        }
      ],
      "title": "rxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer()",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2021-47538",
    "datePublished": "2024-05-24T15:09:45.959Z",
    "dateReserved": "2024-05-24T15:02:54.828Z",
    "dateUpdated": "2024-11-04T12:07:52.125Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47538\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-24T15:15:17.750\",\"lastModified\":\"2024-05-24T18:09:20.027\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nrxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer()\\n\\nNeed to call rxrpc_put_local() for peer candidate before kfree() as it\\nholds a ref to rxrpc_local.\\n\\n[DH: v2: Changed to abstract the peer freeing code out into a function]\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: rxrpc: corrigi\u00f3 la fuga de rxrpc_local en rxrpc_lookup_peer() Es necesario llamar a rxrpc_put_local() para el candidato par antes de kfree(), ya que contiene una referencia a rxrpc_local. [DH: v2: modificado para abstraer el c\u00f3digo de liberaci\u00f3n del par en una funci\u00f3n]\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3e70e3a72d80b16094faccbe438cd53761c3503a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/60f0b9c42cb80833a03ca57c1c8b078d716e71d1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/913c24af2d13a3fd304462916ee98e298d56bdce\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9469273e616ca8f1b6e3773c5019f21b4c8d828c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/beacff50edbd6c9659a6f15fc7f6126909fade29\",\"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.