{
  "id": "CVE-2023-52450",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-02-22T17:15:08.733",
  "lastModified": "2024-03-18T18:34:16.497",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology()\n\nGet logical socket id instead of physical id in discover_upi_topology()\nto avoid out-of-bound access on 'upi = &type->topology[nid][idx];' line\nthat leads to NULL pointer dereference in upi_fill_topology()"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: perf/x86/intel/uncore: solucione el problema de desreferencia del puntero NULL en upi_fill_topology(). Obtenga la identificaci\u00f3n del socket l\u00f3gico en lugar de la identificaci\u00f3n f\u00edsica en discover_upi_topology() para evitar el acceso fuera de l\u00edmites en 'upi = &tipo->topolog\u00eda[nid][idx];' l\u00ednea que conduce a la desreferencia del puntero NULL en upi_fill_topology()"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
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        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
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  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
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          "lang": "en",
          "value": "CWE-476"
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          "negate": false,
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  "references": [
    {
      "url": "https://git.kernel.org/stable/c/1692cf434ba13ee212495b5af795b6a07e986ce4",
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