{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/netfilter/ipset/ip_set_core.c",
            "net/netlink/af_netlink.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "aff4eb16f589c3af322a2582044bca365381fcd6",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "710d21fdff9a98d621cd4e64167f3ef8af4e2fd1",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/netfilter/ipset/ip_set_core.c",
            "net/netlink/af_netlink.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetlink: Bounds-check struct nlmsgerr creation\n\nIn preparation for FORTIFY_SOURCE doing bounds-check on memcpy(),\nswitch from __nlmsg_put to nlmsg_put(), and explain the bounds check\nfor dealing with the memcpy() across a composite flexible array struct.\nAvoids this future run-time warning:\n\n  memcpy: detected field-spanning write (size 32) of single field \"\u0026errmsg-\u003emsg\" at net/netlink/af_netlink.c:2447 (size 16)"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-01T14:09:05.569Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/aff4eb16f589c3af322a2582044bca365381fcd6"
        },
        {
          "url": "https://git.kernel.org/stable/c/710d21fdff9a98d621cd4e64167f3ef8af4e2fd1"
        }
      ],
      "title": "netlink: Bounds-check struct nlmsgerr creation",
      "x_generator": {
        "engine": "bippy-1.1.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49766",
    "datePublished": "2025-05-01T14:09:05.569Z",
    "dateReserved": "2025-04-16T07:17:33.804Z",
    "dateUpdated": "2025-05-01T14:09:05.569Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49766\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T15:15:59.380\",\"lastModified\":\"2025-05-02T13:53:20.943\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetlink: Bounds-check struct nlmsgerr creation\\n\\nIn preparation for FORTIFY_SOURCE doing bounds-check on memcpy(),\\nswitch from __nlmsg_put to nlmsg_put(), and explain the bounds check\\nfor dealing with the memcpy() across a composite flexible array struct.\\nAvoids this future run-time warning:\\n\\n  memcpy: detected field-spanning write (size 32) of single field \\\"\u0026errmsg-\u003emsg\\\" at net/netlink/af_netlink.c:2447 (size 16)\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netlink: Creaci\u00f3n de la estructura nlmsgerr con comprobaci\u00f3n de los l\u00edmites. En preparaci\u00f3n para que FORTIFY_SOURCE realice la comprobaci\u00f3n de los l\u00edmites en memcpy(), cambie de __nlmsg_put a nlmsg_put() y explique la comprobaci\u00f3n de los l\u00edmites para procesar memcpy() en una estructura de matriz flexible compuesta. Esto evita esta futura advertencia en tiempo de ejecuci\u00f3n: memcpy: se detect\u00f3 una escritura que abarca campos (tama\u00f1o 32) en un solo campo \\\"\u0026amp;errmsg-\u0026gt;msg\\\" en net/netlink/af_netlink.c:2447 (tama\u00f1o 16).\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/710d21fdff9a98d621cd4e64167f3ef8af4e2fd1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/aff4eb16f589c3af322a2582044bca365381fcd6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}