CVE-2022-49997 (GCVE-0-2022-49997)
Vulnerability from cvelistv5
Published
2025-06-18 11:00
Modified
2025-06-18 11:00
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net: lantiq_xrx200: restore buffer if memory allocation failed In a situation where memory allocation fails, an invalid buffer address is stored. When this descriptor is used again, the system panics in the build_skb() function when accessing memory.
References
Impacted products
Vendor Product Version
Linux Linux Version: 7ea6cd16f1599c1eac6018751eadbc5fc736b99a
Version: 7ea6cd16f1599c1eac6018751eadbc5fc736b99a
Version: 217395c5ab15e92a4fd84fe77fab6b0b1bb4e456
Version: 70c8418469fb22a679fe5015ebe60fe15011ea43
Version: 5e006cdb9b759f604c4fc69b410aab37cf45f5b4
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{
  "containers": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/lantiq_xrx200.c"
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lantiq_xrx200: restore buffer if memory allocation failed\n\nIn a situation where memory allocation fails, an invalid buffer address\nis stored. When this descriptor is used again, the system panics in the\nbuild_skb() function when accessing memory."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-18T11:00:57.072Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/3ef2786e32d93e562cd40601248a14ae090de873"
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        {
          "url": "https://git.kernel.org/stable/c/c9c3b1775f80fa21f5bff874027d2ccb10f5d90c"
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      "title": "net: lantiq_xrx200: restore buffer if memory allocation failed",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49997",
    "datePublished": "2025-06-18T11:00:57.072Z",
    "dateReserved": "2025-06-18T10:57:27.387Z",
    "dateUpdated": "2025-06-18T11:00:57.072Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49997\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-06-18T11:15:27.447\",\"lastModified\":\"2025-06-18T13:46:52.973\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: lantiq_xrx200: restore buffer if memory allocation failed\\n\\nIn a situation where memory allocation fails, an invalid buffer address\\nis stored. When this descriptor is used again, the system panics in the\\nbuild_skb() function when accessing memory.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: lantiq_xrx200: restaurar el b\u00fafer si falla la asignaci\u00f3n de memoria. En caso de fallo en la asignaci\u00f3n de memoria, se almacena una direcci\u00f3n de b\u00fafer no v\u00e1lida. Al volver a utilizar este descriptor, el sistema entra en p\u00e1nico en la funci\u00f3n build_skb() al acceder a la memoria.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3ef2786e32d93e562cd40601248a14ae090de873\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c9c3b1775f80fa21f5bff874027d2ccb10f5d90c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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