CVE catalog

CVE-2023-39368

Intel Microcode vulnerabilities

[CVE catalog]

Protection mechanism failure of bus lock regulator for some Intel(R) Processors may allow an unauthenticated user to potentially enable denial of service via network access.

Severity
Medium · CVSS 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published
Source
[NVD] · [CVE record]
EPSS
0.76% · Oct 27, 2026

Projects and upstream resources

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence
Original provider fields
{
  "package_releases": [
    {
      "name": "intel-microcode",
      "status": "fixed",
      "release": "sid",
      "version": "3.20260227.1"
    },
    {
      "name": "intel-microcode",
      "status": "fixed",
      "release": "forky",
      "version": "3.20260227.1"
    },
    {
      "name": "intel-microcode",
      "status": "fixed",
      "release": "trixie",
      "version": "3.20251111.1~deb13u1"
    },
    {
      "name": "intel-microcode",
      "status": "fixed",
      "release": "trixie-security",
      "version": "3.20250812.1~deb13u1"
    },
    {
      "name": "intel-microcode",
      "status": "fixed",
      "release": "bookworm",
      "version": "3.20251111.1~deb12u1"
    },
    {
      "name": "intel-microcode",
      "status": "fixed",
      "release": "bookworm-security",
      "version": "3.20250812.1~deb12u1"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1066108,
      "name": "intel-microcode",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "3.20240312.1"
    },
    {
      "bug": 1066108,
      "name": "intel-microcode",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "3.20240312.1"
    },
    {
      "bug": 1066108,
      "name": "intel-microcode",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "3.20240312.1"
    },
    {
      "bug": 1066108,
      "name": "intel-microcode",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": "3.20240312.1~deb12u1"
    }
  ],
  "distribution_packages": [
    {
      "name": "intel-microcode",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "3.20240312.1~deb12u1"
    },
    {
      "name": "intel-microcode",
      "distro": "ubuntu",
      "release": "noble",
      "ecosystem": "deb",
      "fixed_version": "3.20240514.0ubuntu0.24.04.1"
    },
    {
      "name": "intel-ucode",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "20240813-r0"
            }
          ]
        }
      ],
      "release": "3.17",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "20240813-r0",
      "provider_record_id": "ALPINE-CVE-2023-39368"
    },
    {
      "name": "intel-ucode",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "20240813-r0"
            }
          ]
        }
      ],
      "release": "3.18",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "20240813-r0",
      "provider_record_id": "ALPINE-CVE-2023-39368"
    },
    {
      "name": "intel-ucode",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "20240312-r0"
            }
          ]
        }
      ],
      "release": "3.19",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "20240312-r0",
      "provider_record_id": "ALPINE-CVE-2023-39368"
    },
    {
      "name": "intel-ucode",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "20240312-r0"
            }
          ]
        }
      ],
      "release": "3.20",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "20240312-r0",
      "provider_record_id": "ALPINE-CVE-2023-39368"
    },
    {
      "name": "intel-ucode",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "20240312-r0"
            }
          ]
        }
      ],
      "release": "3.21",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "20240312-r0",
      "provider_record_id": "ALPINE-CVE-2023-39368"
    },
    {
      "name": "intel-ucode",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "20240312-r0"
            }
          ]
        }
      ],
      "release": "3.22",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "20240312-r0",
      "provider_record_id": "ALPINE-CVE-2023-39368"
    },
    {
      "name": "intel-ucode",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "20240312-r0"
            }
          ]
        }
      ],
      "release": "3.23",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "20240312-r0",
      "provider_record_id": "ALPINE-CVE-2023-39368"
    },
    {
      "name": "intel-ucode",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "20240312-r0"
            }
          ]
        }
      ],
      "release": "3.24",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "20240312-r0",
      "provider_record_id": "ALPINE-CVE-2023-39368"
    },
    {
      "name": "intel-microcode",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.20240514.0ubuntu0.18.04.1+esm1"
            }
          ]
        }
      ],
      "release": "pro",
      "versions": [
        "3.20170707.1",
        "3.20171117.1",
        "3.20180108.1",
        "3.20180108.1+really20171117.1",
        "3.20180312.0~ubuntu18.04.1",
        "3.20180425.1~ubuntu0.18.04.1",
        "3.20180425.1~ubuntu0.18.04.2",
        "3.20180807a.0ubuntu0.18.04.1",
        "3.20190514.0ubuntu0.18.04.2",
        "3.20190514.0ubuntu0.18.04.3",
        "3.20190618.0ubuntu0.18.04.1",
        "3.20191112-0ubuntu0.18.04.2",
        "3.20191115.1ubuntu0.18.04.1",
        "3.20191115.1ubuntu0.18.04.2",
        "3.20200609.0ubuntu0.18.04.0",
        "3.20200609.0ubuntu0.18.04.1",
        "3.20201110.0ubuntu0.18.04.1",
        "3.20201110.0ubuntu0.18.04.2",
        "3.20210216.0ubuntu0.18.04.1",
        "3.20210608.0ubuntu0.18.04.1",
        "3.20220510.0ubuntu0.18.04.1",
        "3.20220809.0ubuntu0.18.04.1",
        "3.20230214.0ubuntu0.18.04.1",
        "3.20230808.0ubuntu0.18.04.1+esm1",
        "3.20231114.0ubuntu0.18.04.1+esm1"
      ],
      "ecosystem": "deb",
      "fixed_version": "3.20240514.0ubuntu0.18.04.1+esm1",
      "provider_record_id": "UBUNTU-CVE-2023-39368"
    },
    {
      "name": "intel-microcode",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.20240514.0ubuntu0.20.04.1"
            }
          ]
        }
      ],
      "release": "20.04",
      "versions": [
        "3.20190918.1ubuntu1",
        "3.20191115.1ubuntu1",
        "3.20191115.1ubuntu2",
        "3.20191115.1ubuntu3",
        "3.20200609.0ubuntu0.20.04.0",
        "3.20200609.0ubuntu0.20.04.1",
        "3.20200609.0ubuntu0.20.04.2",
        "3.20201110.0ubuntu0.20.04.1",
        "3.20201110.0ubuntu0.20.04.2",
        "3.20210216.0ubuntu0.20.04.1",
        "3.20210608.0ubuntu0.20.04.1",
        "3.20220510.0ubuntu0.20.04.1",
        "3.20220809.0ubuntu0.20.04.1",
        "3.20230214.0ubuntu0.20.04.1",
        "3.20230808.0ubuntu0.20.04.1",
        "3.20231114.0ubuntu0.20.04.1"
      ],
      "ecosystem": "deb",
      "fixed_version": "3.20240514.0ubuntu0.20.04.1",
      "provider_record_id": "UBUNTU-CVE-2023-39368"
    },
    {
      "name": "intel-microcode",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.20240514.0ubuntu0.22.04.1"
            }
          ]
        }
      ],
      "release": "22.04",
      "versions": [
        "3.20210608.2ubuntu1",
        "3.20220510.0ubuntu0.22.04.1",
        "3.20220809.0ubuntu0.22.04.1",
        "3.20230214.0ubuntu0.22.04.1",
        "3.20230808.0ubuntu0.22.04.1",
        "3.20231114.0ubuntu0.22.04.1"
      ],
      "ecosystem": "deb",
      "fixed_version": "3.20240514.0ubuntu0.22.04.1",
      "provider_record_id": "UBUNTU-CVE-2023-39368"
    }
  ]
}

[Debian bug #1066108]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

  • [intel-microcode]Unknown
    Details (1)

    • 3.20251111.1~deb12u1 · amd64 · bookworm

      Fixed · Fixed: 3.20240312.1~deb12u1

      usn · intel-microcode · debian · bookworm; usn · intel-microcode · debian · 12

[Debian 13 (Trixie)]

  • [intel-microcode]Unknown
    Details (1)

    • 3.20251111.1~deb13u1 · amd64 · trixie

      Fixed · Fixed: 3.20240312.1

      usn · intel-microcode · debian · 13

Observed:

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]