ubuntu-cve-2025-29934
Vulnerability from osv_ubuntu
Published
2025-11-21 19:15
Modified
2026-06-25 21:40
Summary
Details

A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20180524.1~ubuntu0.14.04.2+really20130710.1ubuntu1"
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      },
      "package": {
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      },
      "ranges": [
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
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        "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": [
          {
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          }
        ]
      },
      "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"
          }
        ]
      },
      "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"
          }
        ]
      },
      "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"
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          "type": "ECOSYSTEM"
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      "versions": [
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        "3.20191218.1ubuntu1.2",
        "3.20191218.1ubuntu1.3"
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    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20191218.1ubuntu2.3"
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      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20191218.1ubuntu2.3?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
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            {
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        "3.20191218.1ubuntu2.2",
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      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20251202.1ubuntu0.24.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20251202.1ubuntu0.24.04.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
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            {
              "fixed": "3.20251202.1ubuntu0.24.04.1"
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          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
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        "3.20231019.1ubuntu1",
        "3.20231019.1ubuntu2",
        "3.20231019.1ubuntu2.1",
        "3.20250311.1ubuntu0.24.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20251202.1ubuntu0.25.10.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20251202.1ubuntu0.25.10.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
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            {
              "fixed": "3.20251202.1ubuntu0.25.10.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.20240820.1ubuntu1",
        "3.20250311.1ubuntu1",
        "3.20250708.1ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20251202.1ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20251202.1ubuntu1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.20250708.1ubuntu1",
        "3.20250708.1ubuntu2"
      ]
    }
  ],
  "aliases": [],
  "details": "A bug within some AMD CPUs could allow a local admin-privileged attacker to run a SEV-SNP guest using stale TLB entries, potentially resulting in loss of data integrity.",
  "id": "UBUNTU-CVE-2025-29934",
  "modified": "2026-06-25T21:40:28Z",
  "published": "2025-11-21T19:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-29934"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-29934"
    },
    {
      "type": "REPORT",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3029.html"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2025-29934"
  ]
}



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