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
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
86.8%
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:2851 advisory.
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487)
* Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)
* Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario (CVE-2020-12888)
* kernel: denial of service via ioctl call in network tun handling (CVE-2018-7191)
* kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)
* kernel: perf_event_open() and execve() race in setuid programs allows a data leak (CVE-2019-3901)
* kernel: use-after-free in arch/x86/lib/insn-eval.c (CVE-2019-13233)
* kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service (CVE-2019-15916)
* 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):
* kernel: hw: provide reporting and microcode mitigation toggle for CVE-2020-0543 / Special Register Buffer Data Sampling (SRBDS) (BZ#1840677)
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.
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2020:2851. The text
# itself is copyright (C) Red Hat, Inc.
##
include('compat.inc');
if (description)
{
script_id(138171);
script_version("1.10");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/04");
script_cve_id(
"CVE-2018-7191",
"CVE-2018-20169",
"CVE-2019-3901",
"CVE-2019-11487",
"CVE-2019-13233",
"CVE-2019-14821",
"CVE-2019-15916",
"CVE-2019-18660",
"CVE-2020-12888"
);
script_bugtraq_id(
89937,
108054,
108380,
109055
);
script_xref(name:"RHSA", value:"2020:2851");
script_name(english:"RHEL 7 : kernel (RHSA-2020:2851)");
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 7 host has packages installed that are affected by multiple vulnerabilities as
referenced in the RHSA-2020:2851 advisory.
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487)
* Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)
* Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario (CVE-2020-12888)
* kernel: denial of service via ioctl call in network tun handling (CVE-2018-7191)
* kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)
* kernel: perf_event_open() and execve() race in setuid programs allows a data leak (CVE-2019-3901)
* kernel: use-after-free in arch/x86/lib/insn-eval.c (CVE-2019-13233)
* kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service
(CVE-2019-15916)
* 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):
* kernel: hw: provide reporting and microcode mitigation toggle for CVE-2020-0543 / Special Register
Buffer Data Sampling (SRBDS) (BZ#1840677)
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.");
# https://access.redhat.com/security/data/csaf/v2/advisories/2020/rhsa-2020_2851.json
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?655000cf");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/updates/classification/#important");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/solutions/5142691");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2020:2851");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1660385");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1701245");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1703063");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1716328");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1727756");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1746708");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1750813");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1777825");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1836244");
script_set_attribute(attribute:"solution", value:
"Update the RHEL kernel package based on the guidance in RHSA-2020:2851.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-14821");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_cwe_id(200, 248, 400, 416, 476, 667, 787);
script_set_attribute(attribute:"vendor_severity", value:"Important");
script_set_attribute(attribute:"vuln_publication_date", value:"2016/04/25");
script_set_attribute(attribute:"patch_publication_date", value:"2020/07/07");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/07/07");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:rhel_eus:7.6");
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-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_list(operator: 'ge', os_version: os_ver, rhel_versions: ['7','7.6'])) audit(AUDIT_OS_NOT, 'Red Hat 7.x / 7.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-2018-7191', 'CVE-2018-20169', 'CVE-2019-3901', 'CVE-2019-11487', 'CVE-2019-13233', 'CVE-2019-14821', 'CVE-2019-15916', 'CVE-2019-18660', 'CVE-2020-12888');
if (ksplice_cves_check(cve_list))
{
audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for RHSA-2020:2851');
}
else
{
__rpm_report = ksplice_reporting_text();
}
}
var constraints = [
{
'repo_relative_urls': [
'content/aus/rhel/server/7/7.6/x86_64/debug',
'content/aus/rhel/server/7/7.6/x86_64/optional/debug',
'content/aus/rhel/server/7/7.6/x86_64/optional/os',
'content/aus/rhel/server/7/7.6/x86_64/optional/source/SRPMS',
'content/aus/rhel/server/7/7.6/x86_64/os',
'content/aus/rhel/server/7/7.6/x86_64/source/SRPMS',
'content/e4s/rhel/power-le/7/7.6/ppc64le/debug',
'content/e4s/rhel/power-le/7/7.6/ppc64le/highavailability/debug',
'content/e4s/rhel/power-le/7/7.6/ppc64le/highavailability/os',
'content/e4s/rhel/power-le/7/7.6/ppc64le/highavailability/source/SRPMS',
'content/e4s/rhel/power-le/7/7.6/ppc64le/optional/debug',
'content/e4s/rhel/power-le/7/7.6/ppc64le/optional/os',
'content/e4s/rhel/power-le/7/7.6/ppc64le/optional/source/SRPMS',
'content/e4s/rhel/power-le/7/7.6/ppc64le/os',
'content/e4s/rhel/power-le/7/7.6/ppc64le/source/SRPMS',
'content/e4s/rhel/server/7/7.6/x86_64/debug',
'content/e4s/rhel/server/7/7.6/x86_64/highavailability/debug',
'content/e4s/rhel/server/7/7.6/x86_64/highavailability/os',
'content/e4s/rhel/server/7/7.6/x86_64/highavailability/source/SRPMS',
'content/e4s/rhel/server/7/7.6/x86_64/optional/debug',
'content/e4s/rhel/server/7/7.6/x86_64/optional/os',
'content/e4s/rhel/server/7/7.6/x86_64/optional/source/SRPMS',
'content/e4s/rhel/server/7/7.6/x86_64/os',
'content/e4s/rhel/server/7/7.6/x86_64/source/SRPMS',
'content/eus/rhel/computenode/7/7.6/x86_64/debug',
'content/eus/rhel/computenode/7/7.6/x86_64/optional/debug',
'content/eus/rhel/computenode/7/7.6/x86_64/optional/os',
'content/eus/rhel/computenode/7/7.6/x86_64/optional/source/SRPMS',
'content/eus/rhel/computenode/7/7.6/x86_64/os',
'content/eus/rhel/computenode/7/7.6/x86_64/source/SRPMS',
'content/eus/rhel/power-le/7/7.6/ppc64le/debug',
'content/eus/rhel/power-le/7/7.6/ppc64le/highavailability/debug',
'content/eus/rhel/power-le/7/7.6/ppc64le/highavailability/os',
'content/eus/rhel/power-le/7/7.6/ppc64le/highavailability/source/SRPMS',
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'content/eus/rhel/power-le/7/7.6/ppc64le/os',
'content/eus/rhel/power-le/7/7.6/ppc64le/resilientstorage/debug',
'content/eus/rhel/power-le/7/7.6/ppc64le/resilientstorage/os',
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'content/eus/rhel/server/7/7.6/x86_64/source/SRPMS',
'content/eus/rhel/system-z/7/7.6/s390x/debug',
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],
'pkgs': [
{'reference':'bpftool-3.10.0-957.56.1.el7', 'sp':'6', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-3.10.0-957.56.1.el7', 'sp':'6', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-3.10.0-957.56.1.el7', 'sp':'6', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-3.10.0-957.56.1.el7', 'sp':'6', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-3.10.0-957.56.1.el7', 'sp':'6', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
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{'reference':'perf-3.10.0-957.56.1.el7', 'sp':'6', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'perf-3.10.0-957.56.1.el7', 'sp':'6', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'perf-3.10.0-957.56.1.el7', 'sp':'6', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'perf-3.10.0-957.56.1.el7', 'sp':'6', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python-perf-3.10.0-957.56.1.el7', 'sp':'6', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python-perf-3.10.0-957.56.1.el7', 'sp':'6', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python-perf-3.10.0-957.56.1.el7', 'sp':'6', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python-perf-3.10.0-957.56.1.el7', 'sp':'6', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE}
]
},
{
'repo_relative_urls': [
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'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/rhv-mgmt-agent/4/os',
'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/rhv-mgmt-agent/4/source/SRPMS',
'content/dist/rhel/power-le/7/7.3/ppc64le/rhev-mgmt-agent/3/debug',
'content/dist/rhel/power-le/7/7.3/ppc64le/rhev-mgmt-agent/3/os',
'content/dist/rhel/power-le/7/7.3/ppc64le/rhev-mgmt-agent/3/source/SRPMS',
'content/dist/rhel/power-le/7/7Server/ppc64le/rhev-mgmt-agent/3/debug',
'content/dist/rhel/power-le/7/7Server/ppc64le/rhev-mgmt-agent/3/os',
'content/dist/rhel/power-le/7/7Server/ppc64le/rhev-mgmt-agent/3/source/SRPMS',
'content/dist/rhel/power-le/7/7Server/ppc64le/rhev-tools/3/debug',
'content/dist/rhel/power-le/7/7Server/ppc64le/rhev-tools/3/os',
'content/dist/rhel/power-le/7/7Server/ppc64le/rhev-tools/3/source/SRPMS',
'content/dist/rhel/power-le/7/7Server/ppc64le/rhv-mgmt-agent/4/debug',
'content/dist/rhel/power-le/7/7Server/ppc64le/rhv-mgmt-agent/4/os',
'content/dist/rhel/power-le/7/7Server/ppc64le/rhv-mgmt-agent/4/source/SRPMS',
'content/dist/rhel/power-le/7/7Server/ppc64le/rhv-tools/4/debug',
'content/dist/rhel/power-le/7/7Server/ppc64le/rhv-tools/4/os',
'content/dist/rhel/power-le/7/7Server/ppc64le/rhv-tools/4/source/SRPMS',
'content/dist/rhel/power/7/7Server/ppc64/rhev-tools/3/debug',
'content/dist/rhel/power/7/7Server/ppc64/rhev-tools/3/os',
'content/dist/rhel/power/7/7Server/ppc64/rhev-tools/3/source/SRPMS',
'content/dist/rhel/server/7/7.3/x86_64/rhev-mgmt-agent/3/debug',
'content/dist/rhel/server/7/7.3/x86_64/rhev-mgmt-agent/3/os',
'content/dist/rhel/server/7/7.3/x86_64/rhev-mgmt-agent/3/source/SRPMS',
'content/dist/rhel/server/7/7Server/x86_64/rhev-mgmt-agent/3/debug',
'content/dist/rhel/server/7/7Server/x86_64/rhev-mgmt-agent/3/os',
'content/dist/rhel/server/7/7Server/x86_64/rhev-mgmt-agent/3/source/SRPMS',
'content/dist/rhel/server/7/7Server/x86_64/rhevh/debug',
'content/dist/rhel/server/7/7Server/x86_64/rhevh/os',
'content/dist/rhel/server/7/7Server/x86_64/rhevh/source/SRPMS',
'content/dist/rhel/server/7/7Server/x86_64/rhv-manager-tools/4/debug',
'content/dist/rhel/server/7/7Server/x86_64/rhv-manager-tools/4/os',
'content/dist/rhel/server/7/7Server/x86_64/rhv-manager-tools/4/source/SRPMS',
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'content/dist/rhel/server/7/7Server/x86_64/rhv-tools/4/debug',
'content/dist/rhel/server/7/7Server/x86_64/rhv-tools/4/os',
'content/dist/rhel/server/7/7Server/x86_64/rhv-tools/4/source/SRPMS',
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'content/dist/rhel/server/7/7Server/x86_64/rhvh-build/4.3/os',
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'content/dist/rhel/server/7/7Server/x86_64/rhvh-build/4/debug',
'content/dist/rhel/server/7/7Server/x86_64/rhvh-build/4/os',
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'content/dist/rhel/server/7/7Server/x86_64/rhvh/4.3/debug',
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],
'pkgs': [
{'reference':'bpftool-3.10.0-957.56.1.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-3.10.0-957.56.1.el7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-3.10.0-957.56.1.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-3.10.0-957.56.1.el7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-3.10.0-957.56.1.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-bootwrapper-3.10.0-957.56.1.el7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-bootwrapper-3.10.0-957.56.1.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-3.10.0-957.56.1.el7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-3.10.0-957.56.1.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-3.10.0-957.56.1.el7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-3.10.0-957.56.1.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-devel-3.10.0-957.56.1.el7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-devel-3.10.0-957.56.1.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-devel-3.10.0-957.56.1.el7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-devel-3.10.0-957.56.1.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-devel-3.10.0-957.56.1.el7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-devel-3.10.0-957.56.1.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-devel-3.10.0-957.56.1.el7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-devel-3.10.0-957.56.1.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-headers-3.10.0-957.56.1.el7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-headers-3.10.0-957.56.1.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-headers-3.10.0-957.56.1.el7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-headers-3.10.0-957.56.1.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-kdump-3.10.0-957.56.1.el7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-kdump-devel-3.10.0-957.56.1.el7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-3.10.0-957.56.1.el7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-3.10.0-957.56.1.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-3.10.0-957.56.1.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-libs-3.10.0-957.56.1.el7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-libs-3.10.0-957.56.1.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-libs-3.10.0-957.56.1.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
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{'reference':'kernel-tools-libs-devel-3.10.0-957.56.1.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-libs-devel-3.10.0-957.56.1.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
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{'reference':'perf-3.10.0-957.56.1.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'perf-3.10.0-957.56.1.el7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'perf-3.10.0-957.56.1.el7', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python-perf-3.10.0-957.56.1.el7', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python-perf-3.10.0-957.56.1.el7', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python-perf-3.10.0-957.56.1.el7', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python-perf-3.10.0-957.56.1.el7', '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 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-bootwrapper / kernel-debug / etc');
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20169
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7191
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11487
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13233
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14821
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15916
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18660
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3901
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12888
www.nessus.org/u?655000cf
access.redhat.com/errata/RHSA-2020:2851
access.redhat.com/security/updates/classification/#important
access.redhat.com/solutions/5142691
bugzilla.redhat.com/show_bug.cgi?id=1660385
bugzilla.redhat.com/show_bug.cgi?id=1701245
bugzilla.redhat.com/show_bug.cgi?id=1703063
bugzilla.redhat.com/show_bug.cgi?id=1716328
bugzilla.redhat.com/show_bug.cgi?id=1727756
bugzilla.redhat.com/show_bug.cgi?id=1746708
bugzilla.redhat.com/show_bug.cgi?id=1750813
bugzilla.redhat.com/show_bug.cgi?id=1777825
bugzilla.redhat.com/show_bug.cgi?id=1836244
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
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
86.8%