RHEL 8 : kernel (RHSA-2024:5281)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2024:5281. The text
# itself is copyright (C) Red Hat, Inc.
##

include('compat.inc');

if (description)
{
  script_id(205468);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/08/26");

  script_cve_id(
    "CVE-2021-47311",
    "CVE-2021-47385",
    "CVE-2021-47566",
    "CVE-2022-48637",
    "CVE-2022-48827",
    "CVE-2022-48828",
    "CVE-2022-48829",
    "CVE-2023-52439",
    "CVE-2023-52448",
    "CVE-2023-52881",
    "CVE-2023-52885",
    "CVE-2024-21823",
    "CVE-2024-35852",
    "CVE-2024-36017",
    "CVE-2024-36971",
    "CVE-2024-39502",
    "CVE-2024-41090",
    "CVE-2024-41091"
  );
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2024/08/28");
  script_xref(name:"RHSA", value:"2024:5281");

  script_name(english:"RHEL 8 : kernel (RHSA-2024:5281)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing one or more security updates for kernel.");
  script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as
referenced in the RHSA-2024:5281 advisory.

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

    Security Fix(es):

    * kernel:TCP-spoofed ghost ACKs and leak leak initial sequence number (CVE-2023-52881,RHV-2024-1001)

    * kernel: uio: Fix use-after-free in uio_open (CVE-2023-52439)

    * kernel: gfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump (CVE-2023-52448)

    * kernel: bnxt: prevent skb UAF after handing over to PTP worker (CVE-2022-48637)

    * kernel: dmaengine/idxd: hardware erratum allows potential security problem with direct access by
    untrusted application (CVE-2024-21823)

    * kernel: mlxsw: spectrum_acl_tcam: Fix memory leak when canceling rehash work (CVE-2024-35852)

    * kernel: hwmon: (w83792d) Fix NULL pointer dereference by removing unnecessary structure field
    (CVE-2021-47385)

    * kernel: net: qcom/emac: fix UAF in emac_remove (CVE-2021-47311)

    * kernel: proc/vmcore: fix clearing user buffer by properly using clear_user() (CVE-2021-47566)

    * kernel: rtnetlink: Correct nested IFLA_VF_VLAN_LIST attribute validation (CVE-2024-36017)

    * kernel: net: CVE-2024-36971 kernel: UAF in network route management (CVE-2024-36971)

    * kernel: ionic: fix use after netif_napi_del() (CVE-2024-39502)

    * kernel: SUNRPC: Fix UAF in svc_tcp_listen_data_ready() (CVE-2023-52885)

    * kernel: NFSD: Fix the behavior of READ near OFFSET_MAX (CVE-2022-48827)

    * kernel: NFSD: Fix ia_size underflow (CVE-2022-48828)

    * kernel: NFSD: Fix NFSv3 SETATTR/CREATE's handling of large file sizes (CVE-2022-48829)

    * kernel: virtio-net: tap: mlx5_core short frame denial of service (CVE-2024-41090)

    * kernel: virtio-net: tun: mlx5_core short frame denial of service (CVE-2024-41091)

    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.

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

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/updates/classification/#important");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2258875");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2265271");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2265653");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2277831");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2278989");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2281257");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2282355");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2282471");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2283463");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2284417");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2292331");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2297474");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2297730");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2298166");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2298167");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2298168");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2299240");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2299336");
  # https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_5281.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?66fcc753");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2024:5281");
  script_set_attribute(attribute:"solution", value:
"Update the RHEL kernel package based on the guidance in RHSA-2024:5281.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/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:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2024-36971");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(20, 125, 253, 416, 476, 501);
  script_set_attribute(attribute:"vendor_severity", value:"Important");

  script_set_attribute(attribute:"vuln_publication_date", value:"2024/01/19");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/08/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/08/13");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:rhel_aus:8.6");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:rhel_e4s:8.6");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:rhel_tus:8.6");
  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-core");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-cross-headers");
  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-core");
  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-debug-modules");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra");
  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-modules");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra");
  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-zfcpdump");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-core");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-extra");
  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:python3-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) 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: '8.6')) audit(AUDIT_OS_NOT, 'Red Hat 8.6', '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-2021-47311', 'CVE-2021-47385', 'CVE-2021-47566', 'CVE-2022-48637', 'CVE-2022-48827', 'CVE-2022-48828', 'CVE-2022-48829', 'CVE-2023-52439', 'CVE-2023-52448', 'CVE-2023-52881', 'CVE-2023-52885', 'CVE-2024-21823', 'CVE-2024-35852', 'CVE-2024-36017', 'CVE-2024-36971', 'CVE-2024-39502', 'CVE-2024-41090', 'CVE-2024-41091');
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for RHSA-2024:5281');
  }
  else
  {
    __rpm_report = ksplice_reporting_text();
  }
}

var constraints = [
  {
    'repo_relative_urls': [
      'content/aus/rhel8/8.6/x86_64/baseos/debug',
      'content/aus/rhel8/8.6/x86_64/baseos/os',
      'content/aus/rhel8/8.6/x86_64/baseos/source/SRPMS',
      'content/e4s/rhel8/8.6/aarch64/baseos/debug',
      'content/e4s/rhel8/8.6/aarch64/baseos/os',
      'content/e4s/rhel8/8.6/aarch64/baseos/source/SRPMS',
      'content/e4s/rhel8/8.6/ppc64le/baseos/debug',
      'content/e4s/rhel8/8.6/ppc64le/baseos/os',
      'content/e4s/rhel8/8.6/ppc64le/baseos/source/SRPMS',
      'content/e4s/rhel8/8.6/s390x/baseos/debug',
      'content/e4s/rhel8/8.6/s390x/baseos/os',
      'content/e4s/rhel8/8.6/s390x/baseos/source/SRPMS',
      'content/e4s/rhel8/8.6/x86_64/baseos/debug',
      'content/e4s/rhel8/8.6/x86_64/baseos/os',
      'content/e4s/rhel8/8.6/x86_64/baseos/source/SRPMS',
      'content/tus/rhel8/8.6/x86_64/baseos/debug',
      'content/tus/rhel8/8.6/x86_64/baseos/os',
      'content/tus/rhel8/8.6/x86_64/baseos/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'bpftool-4.18.0-372.118.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'bpftool-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-4.18.0-372.118.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-core-4.18.0-372.118.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-core-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-cross-headers-4.18.0-372.118.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-cross-headers-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-4.18.0-372.118.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-core-4.18.0-372.118.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-core-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-devel-4.18.0-372.118.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-devel-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-4.18.0-372.118.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-extra-4.18.0-372.118.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-extra-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-devel-4.18.0-372.118.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-devel-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-headers-4.18.0-372.118.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-headers-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-4.18.0-372.118.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-extra-4.18.0-372.118.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-extra-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-4.18.0-372.118.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'ppc64le', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'perf-4.18.0-372.118.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'perf-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python3-perf-4.18.0-372.118.1.el8_6', 'sp':'6', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python3-perf-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE}
    ]
  },
  {
    'repo_relative_urls': [
      'content/e4s/rhel8/8.6/aarch64/baseos/debug',
      'content/e4s/rhel8/8.6/aarch64/baseos/os',
      'content/e4s/rhel8/8.6/aarch64/baseos/source/SRPMS',
      'content/e4s/rhel8/8.6/ppc64le/baseos/debug',
      'content/e4s/rhel8/8.6/ppc64le/baseos/os',
      'content/e4s/rhel8/8.6/ppc64le/baseos/source/SRPMS',
      'content/e4s/rhel8/8.6/s390x/baseos/debug',
      'content/e4s/rhel8/8.6/s390x/baseos/os',
      'content/e4s/rhel8/8.6/s390x/baseos/source/SRPMS',
      'content/e4s/rhel8/8.6/x86_64/baseos/debug',
      'content/e4s/rhel8/8.6/x86_64/baseos/os',
      'content/e4s/rhel8/8.6/x86_64/baseos/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'kernel-zfcpdump-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-core-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-devel-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-modules-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-modules-extra-4.18.0-372.118.1.el8_6', 'sp':'6', 'cpu':'s390x', 'release':'8', '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' +
    'Advanced Update Support, Telco Extended Update Support or Update Services for SAP Solutions repositories.\n' +
    'Access to these repositories 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_WARNING,
      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-core / kernel-cross-headers / etc');
}