cve-2022-48828
Vulnerability from cvelistv5
Published
2024-07-16 11:44
Modified
2024-11-04 12:17
Severity ?
Summary
NFSD: Fix ia_size underflow
Impacted products
Vendor Product Version
Linux Linux
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T15:25:01.551Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/38d02ba22e43b6fc7d291cf724bc6e3b7be6626b"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/8e0ecaf7a7e57b30284d6b3289cc436100fadc48"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/da22ca1ad548429d7822011c54cfe210718e0aa7"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/e6faac3f58c7c4176b66f63def17a34232a17b0e"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-48828",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T16:57:36.884780Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-11T17:34:11.355Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/nfsd/vfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "38d02ba22e43",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "8e0ecaf7a7e5",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "da22ca1ad548",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "e6faac3f58c7",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/nfsd/vfs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.220",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.24",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.16.*",
              "status": "unaffected",
              "version": "5.16.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.17",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFSD: Fix ia_size underflow\n\niattr::ia_size is a loff_t, which is a signed 64-bit type. NFSv3 and\nNFSv4 both define file size as an unsigned 64-bit type. Thus there\nis a range of valid file size values an NFS client can send that is\nalready larger than Linux can handle.\n\nCurrently decode_fattr4() dumps a full u64 value into ia_size. If\nthat value happens to be larger than S64_MAX, then ia_size\nunderflows. I\u0027m about to fix up the NFSv3 behavior as well, so let\u0027s\ncatch the underflow in the common code path: nfsd_setattr()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-04T12:17:22.500Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/38d02ba22e43b6fc7d291cf724bc6e3b7be6626b"
        },
        {
          "url": "https://git.kernel.org/stable/c/8e0ecaf7a7e57b30284d6b3289cc436100fadc48"
        },
        {
          "url": "https://git.kernel.org/stable/c/da22ca1ad548429d7822011c54cfe210718e0aa7"
        },
        {
          "url": "https://git.kernel.org/stable/c/e6faac3f58c7c4176b66f63def17a34232a17b0e"
        }
      ],
      "title": "NFSD: Fix ia_size underflow",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-48828",
    "datePublished": "2024-07-16T11:44:12.660Z",
    "dateReserved": "2024-07-16T11:38:08.903Z",
    "dateUpdated": "2024-11-04T12:17:22.500Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-48828\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-16T12:15:06.477\",\"lastModified\":\"2024-11-21T07:34:09.883\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nNFSD: Fix ia_size underflow\\n\\niattr::ia_size is a loff_t, which is a signed 64-bit type. NFSv3 and\\nNFSv4 both define file size as an unsigned 64-bit type. Thus there\\nis a range of valid file size values an NFS client can send that is\\nalready larger than Linux can handle.\\n\\nCurrently decode_fattr4() dumps a full u64 value into ia_size. If\\nthat value happens to be larger than S64_MAX, then ia_size\\nunderflows. I\u0027m about to fix up the NFSv3 behavior as well, so let\u0027s\\ncatch the underflow in the common code path: nfsd_setattr().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: NFSD: corrija el desbordamiento insuficiente de ia_size iattr::ia_size es un loff_t, que es un tipo de 64 bits firmado. NFSv3 y NFSv4 definen el tama\u00f1o del archivo como un tipo de 64 bits sin firmar. Por lo tanto, existe un rango de valores de tama\u00f1o de archivo v\u00e1lidos que un cliente NFS puede enviar y que ya es mayor de lo que Linux puede manejar. Actualmente, decode_fattr4() vuelca un valor u64 completo en ia_size. Si ese valor resulta ser mayor que S64_MAX, entonces ia_size tiene un desbordamiento insuficiente. Tambi\u00e9n estoy a punto de arreglar el comportamiento de NFSv3, as\u00ed que detectemos el desbordamiento en la ruta del c\u00f3digo com\u00fan: nfsd_setattr().\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/38d02ba22e43b6fc7d291cf724bc6e3b7be6626b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8e0ecaf7a7e57b30284d6b3289cc436100fadc48\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/da22ca1ad548429d7822011c54cfe210718e0aa7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e6faac3f58c7c4176b66f63def17a34232a17b0e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/38d02ba22e43b6fc7d291cf724bc6e3b7be6626b\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/8e0ecaf7a7e57b30284d6b3289cc436100fadc48\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/da22ca1ad548429d7822011c54cfe210718e0aa7\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/e6faac3f58c7c4176b66f63def17a34232a17b0e\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.