ubuntu-cve-2024-36349
Vulnerability from osv_ubuntu
Published
2025-07-08 17:15
Modified
2026-01-20 05:19
Summary
Details

A transient execution vulnerability in some AMD processors may allow a user process to infer TSC_AUX even when such a read is disabled, potentially resulting in information leakage.

Severity
3.8 (Low)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
N/A (UNKNOWN)
low
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20180524.1~ubuntu0.14.04.2+really20130710.1ubuntu1"
          }
        ],
        "priority_reason": "Leakage of TSC_AUX does not result in leakage of sensitive information"
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20180524.1~ubuntu0.14.04.2+really20130710.1ubuntu1?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.20120910-3",
        "2.20131007.1+really20130710.1",
        "3.20180524.1~ubuntu0.14.04.1",
        "3.20180524.1~ubuntu0.14.04.2+really20130710.1",
        "3.20180524.1~ubuntu0.14.04.2+really20130710.1ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm3"
          }
        ],
        "priority_reason": "Leakage of TSC_AUX does not result in leakage of sensitive information"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "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"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.20141028.1",
        "2.20160316.1",
        "3.20180524.1~ubuntu0.16.04.1",
        "3.20180524.1~ubuntu0.16.04.2",
        "3.20191021.1ubuntu0.16.04.1",
        "3.20191021.1+really3.20180524.1~ubuntu0.16.04.2",
        "3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm1",
        "3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm2",
        "3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm3"
          }
        ],
        "priority_reason": "Leakage of TSC_AUX does not result in leakage of sensitive information"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "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": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.20160316.3",
        "3.20171205.1",
        "3.20180524.1~ubuntu0.18.04.1",
        "3.20180524.1~ubuntu0.18.04.2",
        "3.20191021.1ubuntu0.18.04.2",
        "3.20191021.1+really3.20181128.1~ubuntu0.18.04.1",
        "3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm1",
        "3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm2",
        "3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20191218.1ubuntu1.3"
          }
        ],
        "priority_reason": "Leakage of TSC_AUX does not result in leakage of sensitive information"
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20191218.1ubuntu1.3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.20181128.1ubuntu2",
        "3.20191021.1ubuntu1",
        "3.20191218.1ubuntu1",
        "3.20191218.1ubuntu1.1",
        "3.20191218.1ubuntu1.2",
        "3.20191218.1ubuntu1.3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20191218.1ubuntu2.3"
          }
        ],
        "priority_reason": "Leakage of TSC_AUX does not result in leakage of sensitive information"
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20191218.1ubuntu2.3?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.20191218.1ubuntu2",
        "3.20191218.1ubuntu2.1",
        "3.20191218.1ubuntu2.2",
        "3.20191218.1ubuntu2.3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20250311.1ubuntu0.24.04.1"
          }
        ],
        "priority_reason": "Leakage of TSC_AUX does not result in leakage of sensitive information"
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20250311.1ubuntu0.24.04.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.20230808.1.1ubuntu1",
        "3.20231019.1ubuntu1",
        "3.20231019.1ubuntu2",
        "3.20231019.1ubuntu2.1",
        "3.20250311.1ubuntu0.24.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20250708.1ubuntu1"
          }
        ],
        "priority_reason": "Leakage of TSC_AUX does not result in leakage of sensitive information"
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20250708.1ubuntu1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.20240820.1ubuntu1",
        "3.20250311.1ubuntu1",
        "3.20250708.1ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "A transient execution vulnerability in some AMD processors may allow a user process to infer TSC_AUX even when such a read is disabled, potentially resulting in information leakage.",
  "id": "UBUNTU-CVE-2024-36349",
  "modified": "2026-01-20T05:19:06Z",
  "published": "2025-07-08T17:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-36349"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-36349"
    },
    {
      "type": "REPORT",
      "url": "https://xenbits.xen.org/xsa/advisory-471.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.amd.com/content/dam/amd/en/documents/resources/bulletin/technical-guidance-for-mitigating-transient-scheduler-attacks.pdf"
    },
    {
      "type": "REPORT",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7029.html"
    },
    {
      "type": "REPORT",
      "url": "https://aka.ms/enter-exit-leak"
    },
    {
      "type": "REPORT",
      "url": "https://www.microsoft.com/en-us/research/wp-content/uploads/2025/07/Enter-Exit-SP26.pdf"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2024-36349"
  ],
  "withdrawn": "2026-01-27T11:01:35Z"
}



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Sightings

Author Source Type Date Other

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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • 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.