usn-7077-1
Vulnerability from osv_ubuntu
Published
2024-10-21 00:06
Modified
2026-06-25 10:46
Summary
amd64-microcode vulnerability
Details

Enrique Nissim and Krzysztof Okupski discovered that some AMD processors did not properly restrict access to the System Management Mode (SMM) configuration when the SMM Lock was enabled. A privileged local attacker could possibly use this issue to further escalate their privileges and execute arbitrary code within the processor's firmware layer.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-31315",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L",
                  "type": "CVSS_V3"
                },
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                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
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            "binary_version": "3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm3"
          }
        ]
      },
      "package": {
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        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm3?arch=source\u0026distro=esm-infra/xenial"
      },
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      ]
    },
    {
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                  "type": "CVSS_V3"
                },
                {
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                },
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                }
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          ],
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        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm3"
          }
        ]
      },
      "package": {
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        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm3?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
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            }
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          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
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        "3.20171205.1",
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        "3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm1",
        "3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm2"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
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            {
              "id": "CVE-2023-31315",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
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                  "score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L",
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                }
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            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
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            "binary_version": "3.20191218.1ubuntu1.3"
          }
        ]
      },
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        "name": "amd64-microcode",
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      },
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      ],
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        "3.20191021.1ubuntu1",
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        "3.20191218.1ubuntu1.1",
        "3.20191218.1ubuntu1.2"
      ]
    },
    {
      "database_specific": {
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                  "type": "CVSS_V3"
                },
                {
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                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
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                }
              ]
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          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
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      },
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                  "type": "CVSS_V3"
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                  "score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L",
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                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:24.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
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            "binary_name": "amd64-microcode",
            "binary_version": "3.20231019.1ubuntu2.1"
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        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20231019.1ubuntu2.1?arch=source\u0026distro=noble"
      },
      "ranges": [
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          "events": [
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            }
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          "type": "ECOSYSTEM"
        }
      ],
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        "3.20230808.1.1ubuntu1",
        "3.20231019.1ubuntu1",
        "3.20231019.1ubuntu2"
      ]
    }
  ],
  "aliases": [],
  "details": "Enrique Nissim and Krzysztof Okupski discovered that some AMD processors\ndid not properly restrict access to the System Management Mode (SMM)\nconfiguration when the SMM Lock was enabled. A privileged local attacker\ncould possibly use this issue to further escalate their privileges and\nexecute arbitrary code within the processor\u0027s firmware layer.\n",
  "id": "USN-7077-1",
  "modified": "2026-06-25T10:46:31Z",
  "published": "2024-10-21T00:06:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7077-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-31315"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "amd64-microcode vulnerability",
  "upstream": [
    "UBUNTU-CVE-2023-31315"
  ]
}



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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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