ubuntu-cve-2020-24165
Vulnerability from osv_ubuntu
Published
2023-08-28 21:15
Modified
2025-09-08 16:46
Summary
Details

An issue was discovered in TCG Accelerator in QEMU 4.2.0, allows local attackers to execute arbitrary code, escalate privileges, and cause a denial of service (DoS). Note: This is disputed as a bug and not a valid security issue by multiple third parties.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "qemu",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-block-extra",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-guest-agent",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-kvm",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-system",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-system-arm",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-system-common",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-system-data",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-system-gui",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-system-mips",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-system-misc",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-system-ppc",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-system-s390x",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-system-sparc",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-system-x86",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-system-x86-microvm",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-system-x86-xen",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-user",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-user-binfmt",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-user-static",
            "binary_version": "1:4.2-3ubuntu6.28"
          },
          {
            "binary_name": "qemu-utils",
            "binary_version": "1:4.2-3ubuntu6.28"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "qemu",
        "purl": "pkg:deb/ubuntu/qemu@1:4.2-3ubuntu6.28?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:4.2-3ubuntu6.28"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:4.0+dfsg-0ubuntu9",
        "1:4.0+dfsg-0ubuntu10",
        "1:4.2-1ubuntu1",
        "1:4.2-1ubuntu2",
        "1:4.2-3ubuntu1",
        "1:4.2-3ubuntu2",
        "1:4.2-3ubuntu3",
        "1:4.2-3ubuntu4",
        "1:4.2-3ubuntu5",
        "1:4.2-3ubuntu6",
        "1:4.2-3ubuntu6.1",
        "1:4.2-3ubuntu6.2",
        "1:4.2-3ubuntu6.3",
        "1:4.2-3ubuntu6.4",
        "1:4.2-3ubuntu6.5",
        "1:4.2-3ubuntu6.6",
        "1:4.2-3ubuntu6.7",
        "1:4.2-3ubuntu6.8",
        "1:4.2-3ubuntu6.9",
        "1:4.2-3ubuntu6.10",
        "1:4.2-3ubuntu6.11",
        "1:4.2-3ubuntu6.12",
        "1:4.2-3ubuntu6.14",
        "1:4.2-3ubuntu6.15",
        "1:4.2-3ubuntu6.16",
        "1:4.2-3ubuntu6.17",
        "1:4.2-3ubuntu6.18",
        "1:4.2-3ubuntu6.19",
        "1:4.2-3ubuntu6.21",
        "1:4.2-3ubuntu6.23",
        "1:4.2-3ubuntu6.24",
        "1:4.2-3ubuntu6.25",
        "1:4.2-3ubuntu6.26",
        "1:4.2-3ubuntu6.27"
      ]
    }
  ],
  "aliases": [],
  "details": "An issue was discovered in TCG Accelerator in QEMU 4.2.0, allows local attackers to execute arbitrary code, escalate privileges, and cause a denial of service (DoS). Note: This is disputed as a bug and not a valid security issue by multiple third parties.",
  "id": "UBUNTU-CVE-2020-24165",
  "modified": "2025-09-08T16:46:17Z",
  "published": "2023-08-28T21:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-24165"
    },
    {
      "type": "REPORT",
      "url": "https://pastebin.com/iqCbjdT8"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6567-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-24165"
    }
  ],
  "related": [
    "USN-6567-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-24165"
  ]
}



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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.
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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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