{
  "id": "CVE-2021-45402",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2022-02-11T15:15:07.687",
  "lastModified": "2022-02-23T18:12:39.887",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "The check_alu_op() function in kernel/bpf/verifier.c in the Linux kernel through v5.16-rc5 did not properly update bounds while handling the mov32 instruction, which allows local users to obtain potentially sensitive address information, aka a \"pointer leak.\""
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n check_alu_op() en el archivo kernel/bpf/verifier.c en el kernel de Linux versiones hasta v5.16-rc5, no actualizaba correctamente los l\u00edmites mientras manejaba la instrucci\u00f3n mov32, que permite a usuarios locales obtener informaci\u00f3n de direcciones potencialmente confidencial, tambi\u00e9n se conoce como \"pointer leak.\""
    }
  ],
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          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
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      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=3cf2b61eb06765e27fec6799292d9fb46d0b7e60",
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