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nessusThis script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.REDHAT-RHSA-2019-3841.NASL
HistoryNov 13, 2019 - 12:00 a.m.

RHEL 7 : kernel (RHSA-2019:3841)

2019-11-1300:00:00
This script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
34

7.3 High

AI Score

Confidence

High

An update for kernel is now available for Red Hat Enterprise Linux 7.2 Advanced Update Support, Red Hat Enterprise Linux 7.2 Telco Extended Update Support, and Red Hat Enterprise Linux 7.2 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

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

Security Fix(es) :

  • hw: Machine Check Error on Page Size Change (IFU) (CVE-2018-12207)

  • hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135)

  • hw: Intel GPU Denial Of Service while accessing MMIO in lower power state (CVE-2019-0154)

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.

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2019:3841. The text 
# itself is copyright (C) Red Hat, Inc.
#

include('compat.inc');

if (description)
{
  script_id(130933);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/04/11");

  script_cve_id(
    "CVE-2018-12207",
    "CVE-2019-0154",
    "CVE-2019-0155",
    "CVE-2019-11135"
  );
  script_xref(name:"RHSA", value:"2019:3841");

  script_name(english:"RHEL 7 : kernel (RHSA-2019:3841)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"An update for kernel is now available for Red Hat Enterprise Linux 7.2
Advanced Update Support, Red Hat Enterprise Linux 7.2 Telco Extended
Update Support, and Red Hat Enterprise Linux 7.2 Update Services for
SAP Solutions.

Red Hat Product Security has rated this update as having a security
impact of Important. A Common Vulnerability Scoring System (CVSS) base
score, which gives a detailed severity rating, is available for each
vulnerability from the CVE link(s) in the References section.

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

Security Fix(es) :

* hw: Machine Check Error on Page Size Change (IFU) (CVE-2018-12207)

* hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135)

* hw: Intel GPU Denial Of Service while accessing MMIO in lower power
state (CVE-2019-0154)

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.");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/vulnerabilities/ifu-page-mce");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/solutions/tsx-asynchronousabort");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/solutions/i915-graphics");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2019:3841");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2018-12207");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2019-0154");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2019-0155");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2019-11135");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  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:U/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:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-0155");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/11/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/11/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/11/13");

  script_set_attribute(attribute:"plugin_type", value:"local");
  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-abi-whitelists");
  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-debuginfo");
  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-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-debuginfo-common-x86_64");
  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-doc");
  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-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-tools-debuginfo");
  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:perf-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python-perf");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python-perf-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7.2");
  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");
  script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/cpu");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("rpm.inc");
include("ksplice.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Red Hat" >!< release) audit(AUDIT_OS_NOT, "Red Hat");
os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Red Hat");
os_ver = os_ver[1];
if (! preg(pattern:"^7\.2([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 7.2", "Red Hat " + os_ver);

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

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "s390" >!< 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");
  cve_list = make_list("CVE-2018-12207", "CVE-2019-0154", "CVE-2019-0155", "CVE-2019-11135");
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, "KSplice hotfix for RHSA-2019:3841");
  }
  else
  {
    __rpm_report = ksplice_reporting_text();
  }
}

yum_updateinfo = get_kb_item("Host/RedHat/yum-updateinfo");
if (!empty_or_null(yum_updateinfo)) 
{
  rhsa = "RHSA-2019:3841";
  yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa);
  if (!empty_or_null(yum_report))
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : yum_report 
    );
    exit(0);
  }
  else
  {
    audit_message = "affected by Red Hat security advisory " + rhsa;
    audit(AUDIT_OS_NOT, audit_message);
  }
}
else
{
  flag = 0;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"x86_64", reference:"kernel-3.10.0-327.82.2.el7")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", reference:"kernel-abi-whitelists-3.10.0-327.82.2.el7")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"x86_64", reference:"kernel-debug-3.10.0-327.82.2.el7")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"x86_64", reference:"kernel-debug-debuginfo-3.10.0-327.82.2.el7")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"x86_64", reference:"kernel-debug-devel-3.10.0-327.82.2.el7")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"x86_64", reference:"kernel-debuginfo-3.10.0-327.82.2.el7")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"x86_64", reference:"kernel-debuginfo-common-x86_64-3.10.0-327.82.2.el7")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"x86_64", reference:"kernel-devel-3.10.0-327.82.2.el7")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", reference:"kernel-doc-3.10.0-327.82.2.el7")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"x86_64", reference:"kernel-headers-3.10.0-327.82.2.el7")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"x86_64", reference:"kernel-tools-3.10.0-327.82.2.el7")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"x86_64", reference:"kernel-tools-debuginfo-3.10.0-327.82.2.el7")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"x86_64", reference:"kernel-tools-libs-3.10.0-327.82.2.el7")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"x86_64", reference:"kernel-tools-libs-devel-3.10.0-327.82.2.el7")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"x86_64", reference:"perf-3.10.0-327.82.2.el7")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"x86_64", reference:"perf-debuginfo-3.10.0-327.82.2.el7")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"x86_64", reference:"python-perf-3.10.0-327.82.2.el7")) flag++;
  if (rpm_check(release:"RHEL7", sp:"2", cpu:"x86_64", reference:"python-perf-debuginfo-3.10.0-327.82.2.el7")) flag++;

  if (flag)
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : rpm_report_get() + redhat_report_package_caveat()
    );
    exit(0);
  }
  else
  {
    tested = pkg_tests_get();
    if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
    else audit(AUDIT_PACKAGE_NOT_INSTALLED, "kernel / kernel-abi-whitelists / kernel-debug / etc");
  }
}
VendorProductVersionCPE
redhatenterprise_linuxkernelp-cpe:/a:redhat:enterprise_linux:kernel
redhatenterprise_linuxkernel-abi-whitelistsp-cpe:/a:redhat:enterprise_linux:kernel-abi-whitelists
redhatenterprise_linuxkernel-debugp-cpe:/a:redhat:enterprise_linux:kernel-debug
redhatenterprise_linuxkernel-debug-debuginfop-cpe:/a:redhat:enterprise_linux:kernel-debug-debuginfo
redhatenterprise_linuxkernel-debug-develp-cpe:/a:redhat:enterprise_linux:kernel-debug-devel
redhatenterprise_linuxkernel-debuginfop-cpe:/a:redhat:enterprise_linux:kernel-debuginfo
redhatenterprise_linuxkernel-debuginfo-common-x86_64p-cpe:/a:redhat:enterprise_linux:kernel-debuginfo-common-x86_64
redhatenterprise_linuxkernel-develp-cpe:/a:redhat:enterprise_linux:kernel-devel
redhatenterprise_linuxkernel-docp-cpe:/a:redhat:enterprise_linux:kernel-doc
redhatenterprise_linuxkernel-headersp-cpe:/a:redhat:enterprise_linux:kernel-headers
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