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nessusThis script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.REDHAT-RHSA-2019-1479.NASL
HistoryJun 18, 2019 - 12:00 a.m.

RHEL 8 : kernel (RHSA-2019:1479)

2019-06-1800:00:00
This script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
23

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.8 High

AI Score

Confidence

High

0.974 High

EPSS

Percentile

99.9%

JSON

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:1479 advisory.

  • kernel: lack of check for mmap minimum address in expand_downwards in mm/mmap.c leads to NULL pointer dereferences exploit on non-SMAP platforms (CVE-2019-9213)

  • Kernel: tcp: integer overflow while processing SACK blocks allows remote denial of service (CVE-2019-11477)

  • Kernel: tcp: excessive resource consumption while processing SACK blocks allows remote denial of service (CVE-2019-11478)

  • kernel: tcp: excessive resource consumption for TCP connections with low MSS allows remote denial of service (CVE-2019-11479)

Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2019:1479. The text 
# itself is copyright (C) Red Hat, Inc.
#

include('compat.inc');

if (description)
{
  script_id(125967);
  script_version("1.11");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/04/28");

  script_cve_id(
    "CVE-2019-11477",
    "CVE-2019-11478",
    "CVE-2019-11479",
    "CVE-2019-9213"
  );
  script_xref(name:"RHSA", value:"2019:1479");
  script_xref(name:"CEA-ID", value:"CEA-2019-0456");

  script_name(english:"RHEL 8 : kernel (RHSA-2019:1479)");

  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-2019:1479 advisory.

  - kernel: lack of check for mmap minimum address in expand_downwards in mm/mmap.c leads to NULL pointer
    dereferences exploit on non-SMAP platforms (CVE-2019-9213)

  - Kernel: tcp: integer overflow while processing SACK blocks allows remote denial of service
    (CVE-2019-11477)

  - Kernel: tcp: excessive resource consumption while processing SACK blocks allows remote denial of service
    (CVE-2019-11478)

  - kernel: tcp: excessive resource consumption for TCP connections with low MSS allows remote denial of
    service (CVE-2019-11479)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  # https://access.redhat.com/security/data/csaf/v2/advisories/2019/rhsa-2019_1479.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?911d0d04");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/vulnerabilities/tcpsack");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1686136");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1719123");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1719128");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1719129");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2019:1479");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/updates/classification/#important");
  script_set_attribute(attribute:"solution", value:
"Update the RHEL kernel package based on the guidance in RHSA-2019:1479.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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-2019-11477");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2019-11479");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Reliable Datagram Sockets (RDS) rds_atomic_free_op NULL pointer dereference Privilege Escalation');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
  script_set_attribute(attribute:"in_the_news", value:"true");
  script_cwe_id(400, 476);
  script_set_attribute(attribute:"vendor_severity", value:"Important");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/03/05");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/06/17");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/06/18");

  script_set_attribute(attribute:"plugin_type", value:"local");
  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-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:"cpe", value:"cpe:/o:redhat:enterprise_linux:8");
  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) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl", "linux_alt_patch_detect.nasl", "redhat_repos.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: 'ge', os_version: os_ver, rhel_version: '8')) audit(AUDIT_OS_NOT, 'Red Hat 8.x', '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-2019-9213', 'CVE-2019-11477', 'CVE-2019-11478', 'CVE-2019-11479');
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for RHSA-2019:1479');
  }
  else
  {
    __rpm_report = ksplice_reporting_text();
  }
}

var constraints = [
  {
    'repo_relative_urls': [
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      'content/dist/rhel8/8.10/aarch64/baseos/os',
      'content/dist/rhel8/8.10/aarch64/baseos/source/SRPMS',
      'content/dist/rhel8/8.10/aarch64/codeready-builder/debug',
      'content/dist/rhel8/8.10/aarch64/codeready-builder/os',
      'content/dist/rhel8/8.10/aarch64/codeready-builder/source/SRPMS',
      'content/dist/rhel8/8.10/ppc64le/baseos/debug',
      'content/dist/rhel8/8.10/ppc64le/baseos/os',
      'content/dist/rhel8/8.10/ppc64le/baseos/source/SRPMS',
      'content/dist/rhel8/8.10/ppc64le/codeready-builder/debug',
      'content/dist/rhel8/8.10/ppc64le/codeready-builder/os',
      'content/dist/rhel8/8.10/ppc64le/codeready-builder/source/SRPMS',
      'content/dist/rhel8/8.10/s390x/baseos/debug',
      'content/dist/rhel8/8.10/s390x/baseos/os',
      'content/dist/rhel8/8.10/s390x/baseos/source/SRPMS',
      'content/dist/rhel8/8.10/s390x/codeready-builder/debug',
      'content/dist/rhel8/8.10/s390x/codeready-builder/os',
      'content/dist/rhel8/8.10/s390x/codeready-builder/source/SRPMS',
      'content/dist/rhel8/8.10/x86_64/baseos/debug',
      'content/dist/rhel8/8.10/x86_64/baseos/os',
      'content/dist/rhel8/8.10/x86_64/baseos/source/SRPMS',
      'content/dist/rhel8/8.10/x86_64/codeready-builder/debug',
      'content/dist/rhel8/8.10/x86_64/codeready-builder/os',
      'content/dist/rhel8/8.10/x86_64/codeready-builder/source/SRPMS',
      'content/dist/rhel8/8.6/aarch64/baseos/debug',
      'content/dist/rhel8/8.6/aarch64/baseos/os',
      'content/dist/rhel8/8.6/aarch64/baseos/source/SRPMS',
      'content/dist/rhel8/8.6/aarch64/codeready-builder/debug',
      'content/dist/rhel8/8.6/aarch64/codeready-builder/os',
      'content/dist/rhel8/8.6/aarch64/codeready-builder/source/SRPMS',
      'content/dist/rhel8/8.6/ppc64le/baseos/debug',
      'content/dist/rhel8/8.6/ppc64le/baseos/os',
      'content/dist/rhel8/8.6/ppc64le/baseos/source/SRPMS',
      'content/dist/rhel8/8.6/ppc64le/codeready-builder/debug',
      'content/dist/rhel8/8.6/ppc64le/codeready-builder/os',
      'content/dist/rhel8/8.6/ppc64le/codeready-builder/source/SRPMS',
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      'content/dist/rhel8/8.6/s390x/baseos/os',
      'content/dist/rhel8/8.6/s390x/baseos/source/SRPMS',
      'content/dist/rhel8/8.6/s390x/codeready-builder/debug',
      'content/dist/rhel8/8.6/s390x/codeready-builder/os',
      'content/dist/rhel8/8.6/s390x/codeready-builder/source/SRPMS',
      'content/dist/rhel8/8.6/x86_64/baseos/debug',
      'content/dist/rhel8/8.6/x86_64/baseos/os',
      'content/dist/rhel8/8.6/x86_64/baseos/source/SRPMS',
      'content/dist/rhel8/8.6/x86_64/codeready-builder/debug',
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      'content/dist/rhel8/8.6/x86_64/codeready-builder/source/SRPMS',
      'content/dist/rhel8/8.8/aarch64/baseos/debug',
      'content/dist/rhel8/8.8/aarch64/baseos/os',
      'content/dist/rhel8/8.8/aarch64/baseos/source/SRPMS',
      'content/dist/rhel8/8.8/aarch64/codeready-builder/debug',
      'content/dist/rhel8/8.8/aarch64/codeready-builder/os',
      'content/dist/rhel8/8.8/aarch64/codeready-builder/source/SRPMS',
      'content/dist/rhel8/8.8/ppc64le/baseos/debug',
      'content/dist/rhel8/8.8/ppc64le/baseos/os',
      'content/dist/rhel8/8.8/ppc64le/baseos/source/SRPMS',
      'content/dist/rhel8/8.8/ppc64le/codeready-builder/debug',
      'content/dist/rhel8/8.8/ppc64le/codeready-builder/os',
      'content/dist/rhel8/8.8/ppc64le/codeready-builder/source/SRPMS',
      'content/dist/rhel8/8.8/s390x/baseos/debug',
      'content/dist/rhel8/8.8/s390x/baseos/os',
      'content/dist/rhel8/8.8/s390x/baseos/source/SRPMS',
      'content/dist/rhel8/8.8/s390x/codeready-builder/debug',
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      'content/dist/rhel8/8.8/s390x/codeready-builder/source/SRPMS',
      'content/dist/rhel8/8.8/x86_64/baseos/debug',
      'content/dist/rhel8/8.8/x86_64/baseos/os',
      'content/dist/rhel8/8.8/x86_64/baseos/source/SRPMS',
      'content/dist/rhel8/8.8/x86_64/codeready-builder/debug',
      'content/dist/rhel8/8.8/x86_64/codeready-builder/os',
      'content/dist/rhel8/8.8/x86_64/codeready-builder/source/SRPMS',
      'content/dist/rhel8/8.9/aarch64/baseos/debug',
      'content/dist/rhel8/8.9/aarch64/baseos/os',
      'content/dist/rhel8/8.9/aarch64/baseos/source/SRPMS',
      'content/dist/rhel8/8.9/aarch64/codeready-builder/debug',
      'content/dist/rhel8/8.9/aarch64/codeready-builder/os',
      'content/dist/rhel8/8.9/aarch64/codeready-builder/source/SRPMS',
      'content/dist/rhel8/8.9/ppc64le/baseos/debug',
      'content/dist/rhel8/8.9/ppc64le/baseos/os',
      'content/dist/rhel8/8.9/ppc64le/baseos/source/SRPMS',
      'content/dist/rhel8/8.9/ppc64le/codeready-builder/debug',
      'content/dist/rhel8/8.9/ppc64le/codeready-builder/os',
      'content/dist/rhel8/8.9/ppc64le/codeready-builder/source/SRPMS',
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      'content/dist/rhel8/8.9/s390x/baseos/os',
      'content/dist/rhel8/8.9/s390x/baseos/source/SRPMS',
      'content/dist/rhel8/8.9/s390x/codeready-builder/debug',
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      'content/dist/rhel8/8.9/s390x/codeready-builder/source/SRPMS',
      'content/dist/rhel8/8.9/x86_64/baseos/debug',
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      'content/dist/rhel8/8/x86_64/baseos/source/SRPMS',
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      'content/dist/rhel8/8/x86_64/codeready-builder/os',
      'content/dist/rhel8/8/x86_64/codeready-builder/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'bpftool-4.18.0-80.4.2.el8_0', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-4.18.0-80.4.2.el8_0', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-core-4.18.0-80.4.2.el8_0', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-cross-headers-4.18.0-80.4.2.el8_0', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-4.18.0-80.4.2.el8_0', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-core-4.18.0-80.4.2.el8_0', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-devel-4.18.0-80.4.2.el8_0', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-4.18.0-80.4.2.el8_0', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-debug-modules-extra-4.18.0-80.4.2.el8_0', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-devel-4.18.0-80.4.2.el8_0', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-headers-4.18.0-80.4.2.el8_0', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-4.18.0-80.4.2.el8_0', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-modules-extra-4.18.0-80.4.2.el8_0', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-4.18.0-80.4.2.el8_0', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-80.4.2.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-80.4.2.el8_0', 'cpu':'ppc64le', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-4.18.0-80.4.2.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-4.18.0-80.4.2.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-4.18.0-80.4.2.el8_0', 'cpu':'ppc64le', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-tools-libs-devel-4.18.0-80.4.2.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-4.18.0-80.4.2.el8_0', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-core-4.18.0-80.4.2.el8_0', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-devel-4.18.0-80.4.2.el8_0', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-modules-4.18.0-80.4.2.el8_0', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'kernel-zfcpdump-modules-extra-4.18.0-80.4.2.el8_0', 'cpu':'s390x', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'perf-4.18.0-80.4.2.el8_0', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python3-perf-4.18.0-80.4.2.el8_0', '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 extra = NULL;
  if (isnull(applicable_repo_urls) || !applicable_repo_urls) extra = rpm_report_get() + redhat_report_repo_caveat();
  else extra = rpm_report_get();
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      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');
}
VendorProductVersionCPE
redhatenterprise_linuxbpftoolp-cpe:/a:redhat:enterprise_linux:bpftool
redhatenterprise_linuxkernelp-cpe:/a:redhat:enterprise_linux:kernel
redhatenterprise_linuxkernel-corep-cpe:/a:redhat:enterprise_linux:kernel-core
redhatenterprise_linuxkernel-cross-headersp-cpe:/a:redhat:enterprise_linux:kernel-cross-headers
redhatenterprise_linuxkernel-debugp-cpe:/a:redhat:enterprise_linux:kernel-debug
redhatenterprise_linuxkernel-debug-corep-cpe:/a:redhat:enterprise_linux:kernel-debug-core
redhatenterprise_linuxkernel-debug-develp-cpe:/a:redhat:enterprise_linux:kernel-debug-devel
redhatenterprise_linuxkernel-debug-modulesp-cpe:/a:redhat:enterprise_linux:kernel-debug-modules
redhatenterprise_linuxkernel-debug-modules-extrap-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra
redhatenterprise_linuxkernel-develp-cpe:/a:redhat:enterprise_linux:kernel-devel
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Critical: kernel
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veracode
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Denial Of Service (DoS)
2019-06-24 00:20:43

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.8 High

AI Score

Confidence

High

0.974 High

EPSS

Percentile

99.9%

JSON
Related for REDHAT-RHSA-2019-1479.NASL
nessus62redhat15ibm20archlinux4openvas28citrix2fedora3amazon2centos2oraclelinux10mscve1fortinet1arista1myhack581attackerkb1checkpoint_security1virtuozzo4mageia4threatpost1cert1zdt2ics2symantec1paloalto1ubuntu4vmware2cloudfoundry2qualysblog1cve2cve0day1nvd3ubuntucve1cvelist2debian1osv1prion2debiancve3redhatcve2f51veracode1