fkie_cve-2021-46744
Vulnerability from fkie_nvd
Published
2022-05-11 17:15
Modified
2024-11-21 06:34
Summary
An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over time.
Impacted products
Vendor Product Version
amd epyc_7001_firmware -
amd epyc_7001 -
amd epyc_7002_firmware -
amd epyc_7002 -
amd epyc_7003_firmware -
amd epyc_7003 -
amd epyc_7232p_firmware -
amd epyc_7232p -
amd epyc_7251_firmware -
amd epyc_7251 -
amd epyc_7252_firmware -
amd epyc_7252 -
amd epyc_7261_firmware -
amd epyc_7261 -
amd epyc_7262_firmware -
amd epyc_7262 -
amd epyc_7272_firmware -
amd epyc_7272 -
amd epyc_7281_firmware -
amd epyc_7281 -
amd epyc_7282_firmware -
amd epyc_7282 -
amd epyc_7301_firmware -
amd epyc_7301 -
amd epyc_7302_firmware -
amd epyc_7302 -
amd epyc_7302p_firmware -
amd epyc_7302p -
amd epyc_7313_firmware -
amd epyc_7313 -
amd epyc_7313p_firmware -
amd epyc_7313p -
amd epyc_7343_firmware -
amd epyc_7343 -
amd epyc_7351_firmware -
amd epyc_7351 -
amd epyc_7351p_firmware -
amd epyc_7351p -
amd epyc_7352_firmware -
amd epyc_7352 -
amd epyc_7371_firmware -
amd epyc_7371 -
amd epyc_7401_firmware -
amd epyc_7401 -
amd epyc_7401p_firmware -
amd epyc_7401p -
amd epyc_7402_firmware -
amd epyc_7402 -
amd epyc_7402p_firmware -
amd epyc_7402p -
amd epyc_7413_firmware -
amd epyc_7413 -
amd epyc_7443_firmware -
amd epyc_7443 -
amd epyc_7443p_firmware -
amd epyc_7443p -
amd epyc_7451_firmware -
amd epyc_7451 -
amd epyc_7452_firmware -
amd epyc_7452 -
amd epyc_7453_firmware -
amd epyc_7453 -
amd epyc_7501_firmware -
amd epyc_7501 -
amd epyc_7502_firmware -
amd epyc_7502 -
amd epyc_7502p_firmware -
amd epyc_7502p -
amd epyc_7513_firmware -
amd epyc_7513 -
amd epyc_7532_firmware -
amd epyc_7532 -
amd epyc_7542_firmware -
amd epyc_7542 -
amd epyc_7543_firmware -
amd epyc_7543 -
amd epyc_7543p_firmware -
amd epyc_7543p -
amd epyc_7551_firmware -
amd epyc_7551 -
amd epyc_7551p_firmware -
amd epyc_7551p -
amd epyc_7552_firmware -
amd epyc_7552 -
amd epyc_7601_firmware -
amd epyc_7601 -
amd epyc_7642_firmware -
amd epyc_7642 -
amd epyc_7643_firmware -
amd epyc_7643 -
amd epyc_7662_firmware -
amd epyc_7662 -
amd epyc_7663_firmware -
amd epyc_7663 -
amd epyc_7702_firmware -
amd epyc_7702 -
amd epyc_7702p_firmware -
amd epyc_7702p -
amd epyc_7713_firmware -
amd epyc_7713 -
amd epyc_7713p_firmware -
amd epyc_7713p -
amd epyc_7742_firmware -
amd epyc_7742 -
amd epyc_7763_firmware -
amd epyc_7763 -
amd epyc_embedded_3101_firmware -
amd epyc_embedded_3101 -
amd epyc_embedded_3151_firmware -
amd epyc_embedded_3151 -
amd epyc_embedded_3201_firmware -
amd epyc_embedded_3201 -
amd epyc_embedded_3251_firmware -
amd epyc_embedded_3251 -
amd epyc_embedded_3255_firmware -
amd epyc_embedded_3255 -
amd epyc_embedded_3351_firmware -
amd epyc_embedded_3351 -
amd epyc_embedded_3451_firmware -
amd epyc_embedded_3451 -
amd epyc_embedded_7232p_firmware -
amd epyc_embedded_7232p -
amd epyc_embedded_7251_firmware -
amd epyc_embedded_7251 -
amd epyc_embedded_7252_firmware -
amd epyc_embedded_7252 -
amd epyc_embedded_7261_firmware -
amd epyc_embedded_7261 -
amd epyc_embedded_7262_firmware -
amd epyc_embedded_7262 -
amd epyc_embedded_7272_firmware -
amd epyc_embedded_7272 -
amd epyc_embedded_7281_firmware -
amd epyc_embedded_7281 -
amd epyc_embedded_7282_firmware -
amd epyc_embedded_7282 -
amd epyc_embedded_7301_firmware -
amd epyc_embedded_7301 -
amd epyc_embedded_7302_firmware -
amd epyc_embedded_7302 -
amd epyc_embedded_7302p_firmware -
amd epyc_embedded_7302p -
amd epyc_embedded_7351_firmware -
amd epyc_embedded_7351 -
amd epyc_embedded_7352_firmware -
amd epyc_embedded_7352 -
amd epyc_embedded_735p_firmware -
amd epyc_embedded_735p -
amd epyc_embedded_7371_firmware -
amd epyc_embedded_7371 -
amd epyc_embedded_7401_firmware -
amd epyc_embedded_7401 -
amd epyc_embedded_7402_firmware -
amd epyc_embedded_7402 -
amd epyc_embedded_7402p_firmware -
amd epyc_embedded_7402p -
amd epyc_embedded_740p_firmware -
amd epyc_embedded_740p -
amd epyc_embedded_7451_firmware -
amd epyc_embedded_7451 -
amd epyc_embedded_7452_firmware -
amd epyc_embedded_7452 -
amd epyc_embedded_7501_firmware -
amd epyc_embedded_7501 -
amd epyc_embedded_7502_firmware -
amd epyc_embedded_7502 -
amd epyc_embedded_7502p_firmware -
amd epyc_embedded_7502p -
amd epyc_embedded_7532_firmware -
amd epyc_embedded_7532 -
amd epyc_embedded_7542_firmware -
amd epyc_embedded_7542 -
amd epyc_embedded_7551_firmware -
amd epyc_embedded_7551 -
amd epyc_embedded_7552_firmware -
amd epyc_embedded_7552 -
amd epyc_embedded_755p_firmware -
amd epyc_embedded_755p -
amd epyc_embedded_7601_firmware -
amd epyc_embedded_7601 -
amd epyc_embedded_7642_firmware -
amd epyc_embedded_7642 -
amd epyc_embedded_7662_firmware -
amd epyc_embedded_7662 -
amd epyc_embedded_7702_firmware -
amd epyc_embedded_7702 -
amd epyc_embedded_7702p_firmware -
amd epyc_embedded_7702p -
amd epyc_embedded_7742_firmware -
amd epyc_embedded_7742 -
amd epyc_embedded_7f32_firmware -
amd epyc_embedded_7f32 -
amd epyc_embedded_7f52_firmware -
amd epyc_embedded_7f52 -
amd epyc_embedded_7f72_firmware -
amd epyc_embedded_7f72 -
amd epyc_embedded_7h12_firmware -
amd epyc_embedded_7h12 -



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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over time."
    },
    {
      "lang": "es",
      "value": "Un atacante con acceso a un hipervisor malicioso puede ser capaz de inferir los valores de los datos usados en un hu\u00e9sped SEV en CPUs AMD mediante la monitorizaci\u00f3n de los valores del texto cifrado a lo largo del tiempo"
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  "id": "CVE-2021-46744",
  "lastModified": "2024-11-21T06:34:37.347",
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        "baseSeverity": "LOW",
        "cvssData": {
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          "authentication": "NONE",
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          "baseScore": 2.1,
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          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
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        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
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          "scope": "CHANGED",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
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  "published": "2022-05-11T17:15:09.113",
  "references": [
    {
      "source": "psirt@amd.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
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      "url": "http://www.openwall.com/lists/oss-security/2022/08/08/6"
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      "source": "nvd@nist.gov",
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}


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