CVE-2022-27672

2023-02-1419:34:54

AMD

www.cve.org

amd

cpu

smt

vulnerability

information disclosure

6.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.2%

JSON

When SMT is enabled, certain AMD processors may speculatively execute instructions using a target
from the sibling thread after an SMT mode switch potentially resulting in information disclosure.

CNA Affected

[
  {
    "defaultStatus": "affected",
    "platforms": [
      "x86"
    ],
    "product": "1st Gen AMD EPYC™ Processors",
    "vendor": " AMD",
    "versions": [
      {
        "status": "affected",
        "version": " "
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "platforms": [
      "x86"
    ],
    "product": "2nd Gen AMD EPYC™ Processors",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": " "
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "platforms": [
      "x86"
    ],
    "product": "Athlon™ X4 Processor",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": " "
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "platforms": [
      "x86"
    ],
    "product": "Ryzen™ Threadripper™ PRO Processor",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": " "
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "platforms": [
      "x86"
    ],
    "product": "2nd Gen AMD Ryzen™ Threadripper™ Processors",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": " "
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "platforms": [
      "x86"
    ],
    "product": "3rd Gen AMD Ryzen™ Threadripper™ Processors",
    "vendor": "AMD ",
    "versions": [
      {
        "status": "affected",
        "version": " "
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "platforms": [
      "x86"
    ],
    "product": "7th Generation AMD A-Series APUs",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": " "
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "platforms": [
      "x86"
    ],
    "product": "Ryzen™ 2000 Series Processors",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": " "
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "platforms": [
      "x86"
    ],
    "product": "Ryzen™ 3000 Series Processors",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": " "
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "platforms": [
      "x86"
    ],
    "product": "Ryzen™ 4000 Series Processors",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": " "
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "platforms": [
      "x86"
    ],
    "product": "Ryzen™ 5000 Series Processors",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": " "
      }
    ]
  },
  {
    "defaultStatus": "affected",
    "platforms": [
      "x86"
    ],
    "product": "Athlon™ Mobile Processors",
    "vendor": "AMD",
    "versions": [
      {
        "status": "affected",
        "version": " "
      }
    ]
  }
]