RHEL 7 : kernel (RHSA-2020:1984)

##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2020:1984. The text
# itself is copyright (C) Red Hat, Inc.
##

include('compat.inc');

if (description)
{
  script_id(136188);
  script_version("1.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/03");

  script_cve_id("CVE-2019-18660");
  script_xref(name:"RHSA", value:"2020:1984");

  script_name(english:"RHEL 7 : kernel (RHSA-2020:1984)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing a security update for kernel.");
  script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in
the RHSA-2020:1984 advisory.

    The kernel packages contain the Linux kernel, the core of any Linux operating system.

    Security Fix(es):

    * kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure (CVE-2019-18660)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and
    other related information, refer to the CVE page(s) listed in the References section.

    Bug Fix(es):

    * [Stratus 7.6 Bug] Deadlock on hcd->bandwidth_mutex when usb controller fails during initialization
    (BZ#1764528)

    * RHEL7.7 Snapshot5 - retry when cpu offline races with migration (BZ#1766094)

    * Slow console output with ast (Aspeed) graphics driver (BZ#1780147)

    * RHEL7.7 - qeth: add safeguards to RX data path (BZ#1792248)

    * 'soft lockup' events during unmount of container file system due to bloated dentry cache / memory cgroup
    slab cache reclaim not available in RHEL7 (BZ#1796358)

    * [GSS] Can't access the mount point due to possible blocking of i/o on rbd (BZ#1796435)

    * [xfstests]: copy_file_range cause corruption on rhel-7 (BZ#1797967)

    * kernel: UAF in cdev_put() when a PTP device is removed while its chardev is open (BZ#1798395)

    * [HPE 7.8 Bug] RHEL7.8 kernel may ignore NMI from ilo (BZ#1798397)

    * [HPEMC RHEL 7.7 RHEL 7.8 REGRESSION]  kernel not populating numa_nod in /sys/devices... for PMEM
    (BZ#1801697)

    * Unable to exclude files from auditing (BZ#1806429)

    * DNAT'd packet is not unmangled upon reply on openshift node (BZ#1806446)

    * port show-kabi to python3 (BZ#1806929)

    * top shows super high loads when tuned profile realtime-virtual-host is applied (BZ#1808029)

    * Backport CIFS stale ESTALE handling and dentry revalidation patches (BZ#1811053)

    * Observed a memory leak while using dm-multipath (BZ#1812936)

    * dm-multipath high load backport incorrect (BZ#1814536)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://access.redhat.com/security/data/csaf/v2/advisories/2020/rhsa-2020_1984.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?610b1e04");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/updates/classification/#moderate");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2020:1984");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1777825");
  script_set_attribute(attribute:"solution", value:
"Update the RHEL kernel package based on the guidance in RHSA-2020:1984.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:P/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-18660");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(200);
  script_set_attribute(attribute:"vendor_severity", value:"Moderate");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/11/27");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/04/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/04/30");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:rhel_eus:7.7");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:bpftool");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-bootwrapper");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-debug");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-headers");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-kdump");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-kdump-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:perf");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python-perf");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Red Hat Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl", "redhat_repos.nasl", "linux_alt_patch_detect.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/cpu");

  exit(0);
}


include('rpm.inc');
include('rhel.inc');
include('ksplice.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/RedHat/release');
if (isnull(os_release) || 'Red Hat' >!< os_release) audit(AUDIT_OS_NOT, 'Red Hat');
var os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Red Hat');
os_ver = os_ver[1];
if (!rhel_check_release(operator: 'eq', os_version: os_ver, rhel_version: '7.7')) audit(AUDIT_OS_NOT, 'Red Hat 7.7', 'Red Hat ' + os_ver);

if (!get_kb_item('Host/RedHat/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu && 'ppc' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Red Hat', cpu);

if (get_one_kb_item('Host/ksplice/kernel-cves'))
{
  rm_kb_item(name:'Host/uptrack-uname-r');
  var cve_list = make_list('CVE-2019-18660');
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for RHSA-2020:1984');
  }
  else
  {
    __rpm_report = ksplice_reporting_text();
  }
}

var constraints = [
  {
    'repo_relative_urls': [
      'content/aus/rhel/server/7/7.7/x86_64/debug',
      'content/aus/rhel/server/7/7.7/x86_64/optional/debug',
      'content/aus/rhel/server/7/7.7/x86_64/optional/os',
      'content/aus/rhel/server/7/7.7/x86_64/optional/source/SRPMS',
      'content/aus/rhel/server/7/7.7/x86_64/os',
      'content/aus/rhel/server/7/7.7/x86_64/source/SRPMS',
      'content/e4s/rhel/power-le/7/7.7/ppc64le/debug',
      'content/e4s/rhel/power-le/7/7.7/ppc64le/highavailability/debug',
      'content/e4s/rhel/power-le/7/7.7/ppc64le/highavailability/os',
      'content/e4s/rhel/power-le/7/7.7/ppc64le/highavailability/source/SRPMS',
      'content/e4s/rhel/power-le/7/7.7/ppc64le/optional/debug',
      'content/e4s/rhel/power-le/7/7.7/ppc64le/optional/os',
      'content/e4s/rhel/power-le/7/7.7/ppc64le/optional/source/SRPMS',
      'content/e4s/rhel/power-le/7/7.7/ppc64le/os',
      'content/e4s/rhel/power-le/7/7.7/ppc64le/source/SRPMS',
      'content/e4s/rhel/server/7/7.7/x86_64/debug',
      'content/e4s/rhel/server/7/7.7/x86_64/highavailability/debug',
      'content/e4s/rhel/server/7/7.7/x86_64/highavailability/os',
      'content/e4s/rhel/server/7/7.7/x86_64/highavailability/source/SRPMS',
      'content/e4s/rhel/server/7/7.7/x86_64/optional/debug',
      'content/e4s/rhel/server/7/7.7/x86_64/optional/os',
      'content/e4s/rhel/server/7/7.7/x86_64/optional/source/SRPMS',
      'content/e4s/rhel/server/7/7.7/x86_64/os',
      'content/e4s/rhel/server/7/7.7/x86_64/source/SRPMS',
      'content/eus/rhel/computenode/7/7.7/x86_64/debug',
      'content/eus/rhel/computenode/7/7.7/x86_64/optional/debug',
      'content/eus/rhel/computenode/7/7.7/x86_64/optional/os',
      'content/eus/rhel/computenode/7/7.7/x86_64/optional/source/SRPMS',
      'content/eus/rhel/computenode/7/7.7/x86_64/os',
      'content/eus/rhel/computenode/7/7.7/x86_64/source/SRPMS',
      'content/eus/rhel/power-le/7/7.7/ppc64le/debug',
      'content/eus/rhel/power-le/7/7.7/ppc64le/highavailability/debug',
      'content/eus/rhel/power-le/7/7.7/ppc64le/highavailability/os',
      'content/eus/rhel/power-le/7/7.7/ppc64le/highavailability/source/SRPMS',
      'content/eus/rhel/power-le/7/7.7/ppc64le/optional/debug',
      'content/eus/rhel/power-le/7/7.7/ppc64le/optional/os',
      'content/eus/rhel/power-le/7/7.7/ppc64le/optional/source/SRPMS',
      'content/eus/rhel/power-le/7/7.7/ppc64le/os',
      'content/eus/rhel/power-le/7/7.7/ppc64le/resilientstorage/debug',
      'content/eus/rhel/power-le/7/7.7/ppc64le/resilientstorage/os',
      'content/eus/rhel/power-le/7/7.7/ppc64le/resilientstorage/source/SRPMS',
      'content/eus/rhel/power-le/7/7.7/ppc64le/source/SRPMS',
      'content/eus/rhel/power/7/7.7/ppc64/debug',
      'content/eus/rhel/power/7/7.7/ppc64/optional/debug',
      'content/eus/rhel/power/7/7.7/ppc64/optional/os',
      'content/eus/rhel/power/7/7.7/ppc64/optional/source/SRPMS',
      'content/eus/rhel/power/7/7.7/ppc64/os',
      'content/eus/rhel/power/7/7.7/ppc64/source/SRPMS',
      'content/eus/rhel/server/7/7.7/x86_64/debug',
      'content/eus/rhel/server/7/7.7/x86_64/highavailability/debug',
      'content/eus/rhel/server/7/7.7/x86_64/highavailability/os',
      'content/eus/rhel/server/7/7.7/x86_64/highavailability/source/SRPMS',
      'content/eus/rhel/server/7/7.7/x86_64/optional/debug',
      'content/eus/rhel/server/7/7.7/x86_64/optional/os',
      'content/eus/rhel/server/7/7.7/x86_64/optional/source/SRPMS',
      'content/eus/rhel/server/7/7.7/x86_64/os',
      'content/eus/rhel/server/7/7.7/x86_64/resilientstorage/debug',
      'content/eus/rhel/server/7/7.7/x86_64/resilientstorage/os',
      'content/eus/rhel/server/7/7.7/x86_64/resilientstorage/source/SRPMS',
      'content/eus/rhel/server/7/7.7/x86_64/source/SRPMS',
      'content/eus/rhel/system-z/7/7.7/s390x/debug',
      'content/eus/rhel/system-z/7/7.7/s390x/optional/debug',
      'content/eus/rhel/system-z/7/7.7/s390x/optional/os',
      'content/eus/rhel/system-z/7/7.7/s390x/optional/source/SRPMS',
      'content/eus/rhel/system-z/7/7.7/s390x/os',
      'content/eus/rhel/system-z/7/7.7/s390x/source/SRPMS',
      'content/tus/rhel/server/7/7.7/x86_64/debug',
      'content/tus/rhel/server/7/7.7/x86_64/highavailability/debug',
      'content/tus/rhel/server/7/7.7/x86_64/highavailability/os',
      'content/tus/rhel/server/7/7.7/x86_64/highavailability/source/SRPMS',
      'content/tus/rhel/server/7/7.7/x86_64/optional/debug',
      'content/tus/rhel/server/7/7.7/x86_64/optional/os',
      'content/tus/rhel/server/7/7.7/x86_64/optional/source/SRPMS',
      'content/tus/rhel/server/7/7.7/x86_64/os',
      'content/tus/rhel/server/7/7.7/x86_64/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'bpftool-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'bpftool-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'bpftool-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'bpftool-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-bootwrapper-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-bootwrapper-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-devel-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-devel-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-devel-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-devel-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-devel-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-devel-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-devel-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-devel-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-headers-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-headers-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-headers-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-headers-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-kdump-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-kdump-devel-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'perf-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'perf-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'perf-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'perf-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python-perf-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python-perf-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python-perf-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python-perf-3.10.0-1062.21.1.el7', 'sp':'7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE}
    ]
  }
];

var applicable_repo_urls = rhel_determine_applicable_repository_urls(constraints:constraints);
if(applicable_repo_urls == RHEL_REPOS_NO_OVERLAP_MESSAGE) exit(0, RHEL_REPO_NOT_ENABLED);

var flag = 0;
foreach var constraint_array ( constraints ) {
  var repo_relative_urls = NULL;
  if (!empty_or_null(constraint_array['repo_relative_urls'])) repo_relative_urls = constraint_array['repo_relative_urls'];
  foreach var pkg ( constraint_array['pkgs'] ) {
    var reference = NULL;
    var _release = NULL;
    var sp = NULL;
    var _cpu = NULL;
    var el_string = NULL;
    var rpm_spec_vers_cmp = NULL;
    var epoch = NULL;
    var allowmaj = NULL;
    var exists_check = NULL;
    var cves = NULL;
    if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
    if (!empty_or_null(pkg['release'])) _release = 'RHEL' + pkg['release'];
    if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
    if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];
    if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];
    if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
    if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];
    if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];
    if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
    if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
    if (reference &&
        _release &&
        rhel_decide_repo_relative_url_check(required_repo_url_list:repo_relative_urls) &&
        (applicable_repo_urls || (!exists_check || rpm_exists(release:_release, rpm:exists_check))) &&
        rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj, cves:cves)) flag++;
  }
}

if (flag)
{
  var subscription_caveat = '\n' +
    'NOTE: This vulnerability check contains fixes that apply to\n' +
    'packages only available in the Red Hat Enterprise Linux\n' +
    'Extended Update Support repository.\n' +
    'Access to this repository requires a paid RHEL subscription.\n';
  var extra = NULL;
  if (isnull(applicable_repo_urls) || !applicable_repo_urls) extra = subscription_caveat + rpm_report_get() + redhat_report_repo_caveat();
  else extra = subscription_caveat + rpm_report_get();
  security_report_v4(
      port       : 0,
      severity   : SECURITY_NOTE,
      extra      : extra
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'bpftool / kernel / kernel-bootwrapper / kernel-debug / etc');
}