Linux Distros Unpatched Vulnerability : CVE-2022-21813

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

include('compat.inc');

if (description)
{
  script_id(246111);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/08/08");

  script_cve_id("CVE-2022-21813");

  script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2022-21813");

  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 GPU Display Driver for Linux contains a vulnerability in the kernel driver, where improper handling
    of insufficient permissions or privileges may allow an unprivileged local user limited write access to
    protected memory, which can lead to denial of service. (CVE-2022-21813)

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-2022-21813");
  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:N/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-21813");

  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:"2022/02/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/08/08");

  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:"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-384");
  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-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:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2025 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");

  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"},
          {"reference": "nvidia-graphics-drivers-384"}
        ]
      }
    ]
  },
  "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-455"},
          {"reference": "nvidia-graphics-drivers-460"},
          {"reference": "nvidia-graphics-drivers-460-server"}
        ]
      }
    ]
  },
  "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-455"},
          {"reference": "nvidia-graphics-drivers-460"},
          {"reference": "nvidia-graphics-drivers-460-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-455"},
          {"reference": "nvidia-graphics-drivers-460"}
        ]
      }
    ]
  }
};

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');
}