ubuntu-cve-2023-28746
Vulnerability from osv_ubuntu
Published
2024-03-12 00:00
Modified
2025-09-08 16:56
Summary
Details

Information exposure through microarchitectural state after transient execution from some register files for some Intel(R) Atom(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Severity
6.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "intel-microcode",
            "binary_version": "3.20210608.0ubuntu0.14.04.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "intel-microcode",
        "purl": "pkg:deb/ubuntu/intel-microcode@3.20210608.0ubuntu0.14.04.1+esm1?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.20130906.1ubuntu2",
        "1.20130906.1ubuntu3",
        "2.20140122.1",
        "2.20140430.1ubuntu1",
        "2.20140624-t-1ubuntu2",
        "3.20180108.0~ubuntu14.04.2",
        "3.20180108.0+really20170707ubuntu14.04.1",
        "3.20180312.0~ubuntu14.04.1",
        "3.20180425.1~ubuntu0.14.04.1",
        "3.20180425.1~ubuntu0.14.04.2",
        "3.20180807a.0ubuntu0.14.04.1",
        "3.20190514.0ubuntu0.14.04.1",
        "3.20190514.0ubuntu0.14.04.2",
        "3.20190618.0ubuntu0.14.04.1",
        "3.20191112-0ubuntu0.14.04.2",
        "3.20191115.1ubuntu0.14.04.1",
        "3.20191115.1ubuntu0.14.04.2",
        "3.20200609.0ubuntu0.14.04.0",
        "3.20200609.0ubuntu0.14.04.1",
        "3.20201110.0ubuntu0.14.04.1",
        "3.20201110.0ubuntu0.14.04.2",
        "3.20210608.0ubuntu0.14.04.1+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "intel-microcode",
            "binary_version": "3.20240514.0ubuntu0.16.04.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "intel-microcode",
        "purl": "pkg:deb/ubuntu/intel-microcode@3.20240514.0ubuntu0.16.04.1+esm1?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.20240514.0ubuntu0.16.04.1+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.20150121.1",
        "3.20151106.1",
        "3.20170707.1~ubuntu16.04.0",
        "3.20180108.0~ubuntu16.04.2",
        "3.20180108.0+really20170707ubuntu16.04.1",
        "3.20180312.0~ubuntu16.04.1",
        "3.20180425.1~ubuntu0.16.04.1",
        "3.20180425.1~ubuntu0.16.04.2",
        "3.20180807a.0ubuntu0.16.04.1",
        "3.20190514.0ubuntu0.16.04.1",
        "3.20190514.0ubuntu0.16.04.2",
        "3.20190618.0ubuntu0.16.04.1",
        "3.20191112-0ubuntu0.16.04.2",
        "3.20191115.1ubuntu0.16.04.1",
        "3.20191115.1ubuntu0.16.04.2",
        "3.20200609.0ubuntu0.16.04.0",
        "3.20200609.0ubuntu0.16.04.1",
        "3.20201110.0ubuntu0.16.04.1",
        "3.20201110.0ubuntu0.16.04.2",
        "3.20210216.0ubuntu0.16.04.1",
        "3.20210608.0ubuntu0.16.04.1+esm1",
        "3.20220510.0ubuntu0.16.04.1+esm1",
        "3.20230214.0ubuntu0.16.04.1+esm1",
        "3.20230808.0ubuntu0.16.04.1+esm1",
        "3.20231114.0ubuntu0.16.04.1+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "intel-microcode",
            "binary_version": "3.20240514.0ubuntu0.18.04.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "intel-microcode",
        "purl": "pkg:deb/ubuntu/intel-microcode@3.20240514.0ubuntu0.18.04.1+esm1?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.20240514.0ubuntu0.18.04.1+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "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_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "intel-microcode",
            "binary_version": "3.20240514.0ubuntu0.20.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "intel-microcode",
        "purl": "pkg:deb/ubuntu/intel-microcode@3.20240514.0ubuntu0.20.04.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.20240514.0ubuntu0.20.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "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_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "intel-microcode",
            "binary_version": "3.20240514.0ubuntu0.22.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "intel-microcode",
        "purl": "pkg:deb/ubuntu/intel-microcode@3.20240514.0ubuntu0.22.04.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.20240514.0ubuntu0.22.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "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"
      ]
    }
  ],
  "aliases": [],
  "details": "Information exposure through microarchitectural state after transient execution from some register files for some Intel(R) Atom(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.",
  "id": "UBUNTU-CVE-2023-28746",
  "modified": "2025-09-08T16:56:13Z",
  "published": "2024-03-12T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-28746"
    },
    {
      "type": "REPORT",
      "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00898.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-28746"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6797-1"
    }
  ],
  "related": [
    "USN-6797-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-28746"
  ]
}



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Sightings

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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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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.