{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/smc/af_smc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "61defd6450a9ef4a1487090449999b0fd83518ef",
              "status": "affected",
              "version": "194730a9beb52d2b030ea45e12d94868d4a0e6fd",
              "versionType": "git"
            },
            {
              "lessThan": "c97daf836f7caf81d3144b8cd2b2a51f9bc3bd09",
              "status": "affected",
              "version": "194730a9beb52d2b030ea45e12d94868d4a0e6fd",
              "versionType": "git"
            },
            {
              "lessThan": "62ff373da2534534c55debe6c724c7fe14adb97f",
              "status": "affected",
              "version": "194730a9beb52d2b030ea45e12d94868d4a0e6fd",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/smc/af_smc.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": "5.15.*",
              "status": "unaffected",
              "version": "5.15.78",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.78",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.8",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/smc: Fix possible leaked pernet namespace in smc_init()\n\nIn smc_init(), register_pernet_subsys(\u0026smc_net_stat_ops) is called\nwithout any error handling.\nIf it fails, registering of \u0026smc_net_ops won\u0027t be reverted.\nAnd if smc_nl_init() fails, \u0026smc_net_stat_ops itself won\u0027t be reverted.\n\nThis leaves wild ops in subsystem linkedlist and when another module\ntries to call register_pernet_operations() it triggers page fault:\n\nBUG: unable to handle page fault for address: fffffbfff81b964c\nRIP: 0010:register_pernet_operations+0x1b9/0x5f0\nCall Trace:\n  \u003cTASK\u003e\n  register_pernet_subsys+0x29/0x40\n  ebtables_init+0x58/0x1000 [ebtables]\n  ..."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T08:48:22.654Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/61defd6450a9ef4a1487090449999b0fd83518ef"
        },
        {
          "url": "https://git.kernel.org/stable/c/c97daf836f7caf81d3144b8cd2b2a51f9bc3bd09"
        },
        {
          "url": "https://git.kernel.org/stable/c/62ff373da2534534c55debe6c724c7fe14adb97f"
        }
      ],
      "title": "net/smc: Fix possible leaked pernet namespace in smc_init()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49905",
    "datePublished": "2025-05-01T14:10:49.621Z",
    "dateReserved": "2025-05-01T14:05:17.246Z",
    "dateUpdated": "2025-05-04T08:48:22.654Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49905\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T15:16:15.593\",\"lastModified\":\"2025-05-02T13:52:51.693\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet/smc: Fix possible leaked pernet namespace in smc_init()\\n\\nIn smc_init(), register_pernet_subsys(\u0026smc_net_stat_ops) is called\\nwithout any error handling.\\nIf it fails, registering of \u0026smc_net_ops won\u0027t be reverted.\\nAnd if smc_nl_init() fails, \u0026smc_net_stat_ops itself won\u0027t be reverted.\\n\\nThis leaves wild ops in subsystem linkedlist and when another module\\ntries to call register_pernet_operations() it triggers page fault:\\n\\nBUG: unable to handle page fault for address: fffffbfff81b964c\\nRIP: 0010:register_pernet_operations+0x1b9/0x5f0\\nCall Trace:\\n  \u003cTASK\u003e\\n  register_pernet_subsys+0x29/0x40\\n  ebtables_init+0x58/0x1000 [ebtables]\\n  ...\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/smc: Se corrige una posible fuga de espacio de nombres pernet en smc_init(). En smc_init(), se llama a register_pernet_subsys(\u0026amp;smc_net_stat_ops) sin gestionar errores. Si falla, el registro de \u0026amp;smc_net_ops no se revertir\u00e1. Y si smc_nl_init() falla, \u0026amp;smc_net_stat_ops no se revertir\u00e1. Esto deja operaciones salvajes en la lista enlazada del subsistema y cuando otro m\u00f3dulo intenta llamar a register_pernet_operations() desencadena un error de p\u00e1gina: ERROR: no se puede manejar el error de p\u00e1gina para la direcci\u00f3n: fffffbfff81b964c RIP: 0010:register_pernet_operations+0x1b9/0x5f0 Rastreo de llamada:  register_pernet_subsys+0x29/0x40 ebtables_init+0x58/0x1000 [ebtables] ... \"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/61defd6450a9ef4a1487090449999b0fd83518ef\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/62ff373da2534534c55debe6c724c7fe14adb97f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c97daf836f7caf81d3144b8cd2b2a51f9bc3bd09\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}