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nessusThis script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.REDHAT-RHSA-2024-5255.NASL
HistoryAug 13, 2024 - 12:00 a.m.

RHEL 8 : kernel (RHSA-2024:5255)

2024-08-1300:00:00
This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
6
rhel 8
kernel
vulnerabilities
rhsa-2024:5255
security advisory
bugs

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.4

Confidence

Low

EPSS

0.001

Percentile

43.7%

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:5255 advisory.

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

Security Fix(es):

* hw amd: Return Address Predictor vulnerability leading to information disclosure (AMD-     SN-7005,CVE-2023-20569,RAS)

* kernel: tls: race between tx work scheduling and socket close (CVE-2024-26585)

* kernel: tls: handle backlogging of crypto requests (CVE-2024-26584)

* kernel: tls: race between async notify and socket close (CVE-2024-26583)

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

* kernel: vt: fix memory overlapping when deleting chars in the buffer (CVE-2022-48627)

* kernel: net/sched: act_ct: fix skb leak and crash on ooo frags (CVE-2023-52610)

* kernel: tcp: add sanity checks to rx zerocopy (CVE-2024-26640)

* kernel: fs/proc: do_task_stat: use sig->stats_lock to gather the threads/children stats (CVE-2024-26686)

* kernel: ext4: fix double-free of blocks due to wrong extents moved_len (CVE-2024-26704)

* kernel: ext4: avoid allocating blocks from corrupted group in ext4_mb_try_best_found() (CVE-2024-26773)

* kernel: arp: Prevent overflow in arp_req_get(). (CVE-2024-26733)

* kernel: NFSv4.2: fix nfs4_listxattr kernel BUG at mm/usercopy.c:102 (CVE-2024-26870)

* kernel: TIPC message reassembly use-after-free remote code execution vulnerability (CVE-2024-36886)

* kernel: Squashfs: check the inode number is not the invalid value of zero (CVE-2024-26982)

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

* kernel: tcp: properly terminate timers for kernel sockets (CVE-2024-35910)

* kernel: mm/hugetlb: fix missing hugetlb_lock for resv uncharge (CVE-2024-36000)

* kernel: i40e: fix vf may be used uninitialized in this function warning (CVE-2024-36020)

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

* kernel: net/mlx5: Discard command completions in internal error (CVE-2024-38555)

* kernel: net: bridge: xmit: make sure we have at least eth header len bytes (CVE-2024-38538)

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.

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2024:5255. The text
# itself is copyright (C) Red Hat, Inc.
##

include('compat.inc');

if (description)
{
  script_id(205470);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/08/28");

  script_cve_id(
    "CVE-2022-48627",
    "CVE-2023-20569",
    "CVE-2023-52448",
    "CVE-2023-52610",
    "CVE-2024-26583",
    "CVE-2024-26584",
    "CVE-2024-26585",
    "CVE-2024-26640",
    "CVE-2024-26686",
    "CVE-2024-26704",
    "CVE-2024-26733",
    "CVE-2024-26773",
    "CVE-2024-26870",
    "CVE-2024-26982",
    "CVE-2024-35852",
    "CVE-2024-35910",
    "CVE-2024-36000",
    "CVE-2024-36020",
    "CVE-2024-36886",
    "CVE-2024-36971",
    "CVE-2024-38538",
    "CVE-2024-38555"
  );
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2024/08/28");
  script_xref(name:"RHSA", value:"2024:5255");

  script_name(english:"RHEL 8 : kernel (RHSA-2024:5255)");

  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-2024:5255 advisory.

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

    Security Fix(es):

    * hw amd: Return Address Predictor vulnerability leading to information disclosure (AMD-
    SN-7005,CVE-2023-20569,RAS)

    * kernel: tls: race between tx work scheduling and socket close (CVE-2024-26585)

    * kernel: tls: handle backlogging of crypto requests (CVE-2024-26584)

    * kernel: tls: race between async notify and socket close (CVE-2024-26583)

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

    * kernel: vt: fix memory overlapping when deleting chars in the buffer (CVE-2022-48627)

    * kernel: net/sched: act_ct: fix skb leak and crash on ooo frags (CVE-2023-52610)

    * kernel: tcp: add sanity checks to rx zerocopy (CVE-2024-26640)

    * kernel: fs/proc: do_task_stat: use sig->stats_lock to gather the threads/children stats (CVE-2024-26686)

    * kernel: ext4: fix double-free of blocks due to wrong extents moved_len (CVE-2024-26704)

    * kernel: ext4: avoid allocating blocks from corrupted group in ext4_mb_try_best_found() (CVE-2024-26773)

    * kernel: arp: Prevent overflow in arp_req_get(). (CVE-2024-26733)

    * kernel: NFSv4.2: fix nfs4_listxattr kernel BUG at mm/usercopy.c:102 (CVE-2024-26870)

    * kernel: TIPC message reassembly use-after-free remote code execution vulnerability (CVE-2024-36886)

    * kernel: Squashfs: check the inode number is not the invalid value of zero (CVE-2024-26982)

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

    * kernel: tcp: properly terminate timers for kernel sockets (CVE-2024-35910)

    * kernel: mm/hugetlb: fix missing hugetlb_lock for resv uncharge (CVE-2024-36000)

    * kernel: i40e: fix vf may be used uninitialized in this function warning (CVE-2024-36020)

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

    * kernel: net/mlx5: Discard command completions in internal error (CVE-2024-38555)

    * kernel: net: bridge: xmit: make sure we have at least eth header len bytes (CVE-2024-38538)

    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=2207625");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2265517");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2265519");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2265520");
  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=2267509");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2270080");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2270100");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2273109");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2273174");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2273236");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2273247");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2275711");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2277238");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2278337");
  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=2281641");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2281968");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2284400");
  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=2293444");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2293461");
  # https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_5255.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?c75b2a69");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2024:5255");
  script_set_attribute(attribute:"solution", value:
"Update the RHEL kernel package based on the guidance in RHSA-2024:5255.");
  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-2024-38555");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(20, 99, 122, 229, 362, 393, 402, 413, 415, 416, 1260);
  script_set_attribute(attribute:"vendor_severity", value:"Important");

  script_set_attribute(attribute:"vuln_publication_date", value:"2023/08/03");
  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_eus:8.8");
  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-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-tools-libs-devel");
  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: '8.8')) audit(AUDIT_OS_NOT, 'Red Hat 8.8', '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-2022-48627', 'CVE-2023-20569', 'CVE-2023-52448', 'CVE-2023-52610', 'CVE-2024-26583', 'CVE-2024-26584', 'CVE-2024-26585', 'CVE-2024-26640', 'CVE-2024-26686', 'CVE-2024-26704', 'CVE-2024-26733', 'CVE-2024-26773', 'CVE-2024-26870', 'CVE-2024-26982', 'CVE-2024-35852', 'CVE-2024-35910', 'CVE-2024-36000', 'CVE-2024-36020', 'CVE-2024-36886', 'CVE-2024-36971', 'CVE-2024-38538', 'CVE-2024-38555');
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for RHSA-2024:5255');
  }
  else
  {
    __rpm_report = ksplice_reporting_text();
  }
}

var constraints = [
  {
    'repo_relative_urls': [
      'content/e4s/rhel8/8.8/ppc64le/baseos/debug',
      'content/e4s/rhel8/8.8/ppc64le/baseos/os',
      'content/e4s/rhel8/8.8/ppc64le/baseos/source/SRPMS',
      'content/e4s/rhel8/8.8/x86_64/baseos/debug',
      'content/e4s/rhel8/8.8/x86_64/baseos/os',
      'content/e4s/rhel8/8.8/x86_64/baseos/source/SRPMS',
      'content/eus/rhel8/8.8/aarch64/baseos/debug',
      'content/eus/rhel8/8.8/aarch64/baseos/os',
      'content/eus/rhel8/8.8/aarch64/baseos/source/SRPMS',
      'content/eus/rhel8/8.8/aarch64/codeready-builder/debug',
      'content/eus/rhel8/8.8/aarch64/codeready-builder/os',
      'content/eus/rhel8/8.8/aarch64/codeready-builder/source/SRPMS',
      'content/eus/rhel8/8.8/ppc64le/baseos/debug',
      'content/eus/rhel8/8.8/ppc64le/baseos/os',
      'content/eus/rhel8/8.8/ppc64le/baseos/source/SRPMS',
      'content/eus/rhel8/8.8/ppc64le/codeready-builder/debug',
      'content/eus/rhel8/8.8/ppc64le/codeready-builder/os',
      'content/eus/rhel8/8.8/ppc64le/codeready-builder/source/SRPMS',
      'content/eus/rhel8/8.8/s390x/baseos/debug',
      'content/eus/rhel8/8.8/s390x/baseos/os',
      'content/eus/rhel8/8.8/s390x/baseos/source/SRPMS',
      'content/eus/rhel8/8.8/s390x/codeready-builder/debug',
      'content/eus/rhel8/8.8/s390x/codeready-builder/os',
      'content/eus/rhel8/8.8/s390x/codeready-builder/source/SRPMS',
      'content/eus/rhel8/8.8/x86_64/baseos/debug',
      'content/eus/rhel8/8.8/x86_64/baseos/os',
      'content/eus/rhel8/8.8/x86_64/baseos/source/SRPMS',
      'content/eus/rhel8/8.8/x86_64/codeready-builder/debug',
      'content/eus/rhel8/8.8/x86_64/codeready-builder/os',
      'content/eus/rhel8/8.8/x86_64/codeready-builder/source/SRPMS',
      'content/tus/rhel8/8.8/x86_64/baseos/debug',
      'content/tus/rhel8/8.8/x86_64/baseos/os',
      'content/tus/rhel8/8.8/x86_64/baseos/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'bpftool-4.18.0-477.67.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-4.18.0-477.67.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-core-4.18.0-477.67.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-cross-headers-4.18.0-477.67.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-4.18.0-477.67.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-core-4.18.0-477.67.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-devel-4.18.0-477.67.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-4.18.0-477.67.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-extra-4.18.0-477.67.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-devel-4.18.0-477.67.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-4.18.0-477.67.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-extra-4.18.0-477.67.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-4.18.0-477.67.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-477.67.1.el8_8', 'sp':'8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-477.67.1.el8_8', 'sp':'8', 'cpu':'ppc64le', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-477.67.1.el8_8', 'sp':'8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-4.18.0-477.67.1.el8_8', 'sp':'8', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-4.18.0-477.67.1.el8_8', 'sp':'8', 'cpu':'ppc64le', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-4.18.0-477.67.1.el8_8', 'sp':'8', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-4.18.0-477.67.1.el8_8', 'sp':'8', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-core-4.18.0-477.67.1.el8_8', 'sp':'8', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-devel-4.18.0-477.67.1.el8_8', 'sp':'8', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-modules-4.18.0-477.67.1.el8_8', 'sp':'8', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-modules-extra-4.18.0-477.67.1.el8_8', 'sp':'8', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'perf-4.18.0-477.67.1.el8_8', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python3-perf-4.18.0-477.67.1.el8_8', 'sp':'8', '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' +
    '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_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');
}

References

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.4

Confidence

Low

EPSS

0.001

Percentile

43.7%