Linux Distros Unpatched Vulnerability : CVE-2025-33220

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(297402);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/06/03");

  script_cve_id("CVE-2025-33220");

  script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2025-33220");

  script_set_attribute(attribute:"synopsis", value:
"The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be
patched.");
  script_set_attribute(attribute:"description", value:
"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied
patch available.

  - NVIDIA vGPU software contains a vulnerability in the Virtual GPU Manager, where a malicious guest could
    cause heap memory access after the memory is freed. A successful exploit of this vulnerability might lead
    to code execution, escalation of privileges, data tampering, denial of service, or information disclosure.
    (CVE-2025-33220)

Note that Nessus relies on the presence of the package as reported by the vendor.");
  script_set_attribute(attribute:"see_also", value:"https://ubuntu.com/security/CVE-2025-33220");
  script_set_attribute(attribute:"solution", value:
"There is no known solution at this time.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:U/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:U/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-33220");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_set_attribute(attribute:"vendor_unpatched", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/01/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/01/31");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:16.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:18.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:20.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:22.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:24.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:25.10");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:26.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-304");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-340");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-390");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-418-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-430");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-435");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-440");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-440-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-450");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-450-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-455");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-460");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-460-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-470");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-470-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-510");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-515");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-515-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-520");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-530");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-535");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-535-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-545");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-550");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-550-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-560");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-565-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-570");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-570-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-575");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:nvidia-graphics-drivers-575-server");
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  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info2.nasl", "set_linux_os_id.nasl");
  script_require_keys("Host/cpu", "Host/local_checks_enabled", "global_settings/vendor_unpatched", "Host/OS/identifier");
  script_require_ports("Host/OS/Ubuntu Linux-16.04", "Host/OS/Ubuntu Linux-18.04", "Host/OS/Ubuntu Linux-20.04", "Host/OS/Ubuntu Linux-22.04", "Host/OS/Ubuntu Linux-24.04", "Host/OS/Ubuntu Linux-25.10", "Host/OS/Ubuntu Linux-26.04");

  exit(0);
}

if (!get_kb_item("global_settings/vendor_unpatched")) exit(0, "Unpatched Vulnerabilities Detection not active.");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (empty_or_null(get_one_kb_item("Host/Debian/dpkg-l"))) audit(AUDIT_PACKAGE_LIST_MISSING);

include('linux_unpatched.inc');

var distro_constraints_array = {
  "Ubuntu Linux-16.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "16.04",
        "pkgs": [
          {"reference": "nvidia-graphics-drivers-304"},
          {"reference": "nvidia-graphics-drivers-340"}
        ]
      }
    ]
  },
  "Ubuntu Linux-18.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "18.04",
        "pkgs": [
          {"reference": "nvidia-graphics-drivers-340"},
          {"reference": "nvidia-graphics-drivers-390"},
          {"reference": "nvidia-graphics-drivers-418-server"},
          {"reference": "nvidia-graphics-drivers-430"},
          {"reference": "nvidia-graphics-drivers-435"},
          {"reference": "nvidia-graphics-drivers-440"},
          {"reference": "nvidia-graphics-drivers-440-server"},
          {"reference": "nvidia-graphics-drivers-450"},
          {"reference": "nvidia-graphics-drivers-450-server"},
          {"reference": "nvidia-graphics-drivers-455"},
          {"reference": "nvidia-graphics-drivers-460"},
          {"reference": "nvidia-graphics-drivers-460-server"},
          {"reference": "nvidia-graphics-drivers-470"},
          {"reference": "nvidia-graphics-drivers-470-server"},
          {"reference": "nvidia-graphics-drivers-510"},
          {"reference": "nvidia-graphics-drivers-515"},
          {"reference": "nvidia-graphics-drivers-515-server"},
          {"reference": "nvidia-graphics-drivers-520"},
          {"reference": "nvidia-graphics-drivers-530"}
        ]
      }
    ]
  },
  "Ubuntu Linux-20.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "20.04",
        "pkgs": [
          {"reference": "nvidia-graphics-drivers-340"},
          {"reference": "nvidia-graphics-drivers-390"},
          {"reference": "nvidia-graphics-drivers-418-server"},
          {"reference": "nvidia-graphics-drivers-430"},
          {"reference": "nvidia-graphics-drivers-435"},
          {"reference": "nvidia-graphics-drivers-440"},
          {"reference": "nvidia-graphics-drivers-440-server"},
          {"reference": "nvidia-graphics-drivers-450"},
          {"reference": "nvidia-graphics-drivers-450-server"},
          {"reference": "nvidia-graphics-drivers-455"},
          {"reference": "nvidia-graphics-drivers-460"},
          {"reference": "nvidia-graphics-drivers-460-server"},
          {"reference": "nvidia-graphics-drivers-470"},
          {"reference": "nvidia-graphics-drivers-470-server"},
          {"reference": "nvidia-graphics-drivers-510"},
          {"reference": "nvidia-graphics-drivers-515"},
          {"reference": "nvidia-graphics-drivers-515-server"},
          {"reference": "nvidia-graphics-drivers-520"},
          {"reference": "nvidia-graphics-drivers-530"},
          {"reference": "nvidia-graphics-drivers-535"},
          {"reference": "nvidia-graphics-drivers-535-server"},
          {"reference": "nvidia-graphics-drivers-550-server"},
          {"reference": "nvidia-graphics-drivers-565-server"},
          {"reference": "nvidia-graphics-drivers-570"},
          {"reference": "nvidia-graphics-drivers-570-server"}
        ]
      }
    ]
  },
  "Ubuntu Linux-22.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "22.04",
        "pkgs": [
          {"reference": "nvidia-graphics-drivers-390"},
          {"reference": "nvidia-graphics-drivers-418-server"},
          {"reference": "nvidia-graphics-drivers-430"},
          {"reference": "nvidia-graphics-drivers-440"},
          {"reference": "nvidia-graphics-drivers-450"},
          {"reference": "nvidia-graphics-drivers-450-server"},
          {"reference": "nvidia-graphics-drivers-455"},
          {"reference": "nvidia-graphics-drivers-460"},
          {"reference": "nvidia-graphics-drivers-470"},
          {"reference": "nvidia-graphics-drivers-470-server"},
          {"reference": "nvidia-graphics-drivers-510"},
          {"reference": "nvidia-graphics-drivers-515"},
          {"reference": "nvidia-graphics-drivers-515-server"},
          {"reference": "nvidia-graphics-drivers-520"},
          {"reference": "nvidia-graphics-drivers-530"},
          {"reference": "nvidia-graphics-drivers-545"},
          {"reference": "nvidia-graphics-drivers-550"},
          {"reference": "nvidia-graphics-drivers-550-server"},
          {"reference": "nvidia-graphics-drivers-565-server"},
          {"reference": "nvidia-graphics-drivers-575"},
          {"reference": "nvidia-graphics-drivers-575-server"}
        ]
      }
    ]
  },
  "Ubuntu Linux-24.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "24.04",
        "pkgs": [
          {"reference": "nvidia-graphics-drivers-470"},
          {"reference": "nvidia-graphics-drivers-470-server"},
          {"reference": "nvidia-graphics-drivers-550"},
          {"reference": "nvidia-graphics-drivers-550-server"},
          {"reference": "nvidia-graphics-drivers-565-server"},
          {"reference": "nvidia-graphics-drivers-575"},
          {"reference": "nvidia-graphics-drivers-575-server"}
        ]
      }
    ]
  },
  "Ubuntu Linux-25.10": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "25.10",
        "pkgs": [
          {"reference": "nvidia-graphics-drivers-535-server"},
          {"reference": "nvidia-graphics-drivers-550"},
          {"reference": "nvidia-graphics-drivers-550-server"},
          {"reference": "nvidia-graphics-drivers-560"},
          {"reference": "nvidia-graphics-drivers-570"},
          {"reference": "nvidia-graphics-drivers-570-server"},
          {"reference": "nvidia-graphics-drivers-575"}
        ]
      }
    ]
  },
  "Ubuntu Linux-26.04": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "26.04",
        "pkgs": [
          {"reference": "nvidia-graphics-drivers-535-server"},
          {"reference": "nvidia-graphics-drivers-550"},
          {"reference": "nvidia-graphics-drivers-550-server"},
          {"reference": "nvidia-graphics-drivers-560"},
          {"reference": "nvidia-graphics-drivers-570"},
          {"reference": "nvidia-graphics-drivers-570-server"},
          {"reference": "nvidia-graphics-drivers-575"}
        ]
      }
    ]
  }
};

var distro_constraints_values = linux_unpatched::get_distro_constraints(distro_constraints_arr:distro_constraints_array);
if (empty_or_null(distro_constraints_values)) audit(AUDIT_HOST_NOT, 'affected');
var report = linux_unpatched::check_unpatched_constraints(distro_constraints_values:distro_constraints_values);

if (!empty_or_null(report))
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : report
  );
  exit(0);
}
else
{
  audit(AUDIT_HOST_NOT, 'affected');
}