{
  "id": "CVE-2022-49883",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2025-05-01T15:16:13.287",
  "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\nKVM: x86: smm: number of GPRs in the SMRAM image depends on the image format\n\nOn 64 bit host, if the guest doesn't have X86_FEATURE_LM, KVM will\naccess 16 gprs to 32-bit smram image, causing out-ouf-bound ram\naccess.\n\nOn 32 bit host, the rsm_load_state_64/enter_smm_save_state_64\nis compiled out, thus access overflow can't happen."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: KVM: x86: smm: el n\u00famero de GPR en la imagen SMRAM depende del formato de la imagen. En un host de 64 bits, si el invitado no tiene X86_FEATURE_LM, KVM acceder\u00e1 a 16 GPRS en la imagen SMRAM de 32 bits, lo que provocar\u00e1 un acceso a la RAM fuera de los l\u00edmites. En un host de 32 bits, rsm_load_state_64/enter_smm_save_state_64 se compila, por lo que no se puede producir un desbordamiento de acceso."
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/696db303e54f7352623d9f640e6c51d8fa9d5588",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/a7ebfbea0f52550d7cdf12c38f3f5eaa7b2b6494",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}