RHEL 8 : kernel-rt (RHSA-2019:3309)

2019-11-06T00:00:00
ID REDHAT-RHSA-2019-3309.NASL
Type nessus
Reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
Modified 2019-11-06T00:00:00

Description

An update for kernel-rt is now available for Red Hat Enterprise Linux 8.

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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es) :

  • kernel: nfs: use-after-free in svc_process_common() (CVE-2018-16884)

  • Kernel: vhost_net: infinite loop while receiving packets leads to DoS (CVE-2019-3900)

  • Kernel: page cache side channel attacks (CVE-2019-5489)

  • hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB) (CVE-2019-9506)

  • kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in drivers/net /wireless/marvell/mwifiex/ie.c (CVE-2019-10126)

  • Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)

  • kernel: Information Disclosure in crypto_report_one in crypto/crypto_user.c (CVE-2018-19854)

  • kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)

  • kernel: Heap address information leak while using L2CAP_GET_CONF_OPT (CVE-2019-3459)

  • kernel: Heap address information leak while using L2CAP_PARSE_CONF_RSP (CVE-2019-3460)

  • kernel: SCTP socket buffer memory leak leading to denial of service (CVE-2019-3874)

  • kernel: denial of service vector through vfio DMA mappings (CVE-2019-3882)

  • kernel: NULL pointer dereference in hci_uart_set_flow_control (CVE-2019-10207)

  • kernel: fix race condition between mmget_not_zero()/get_task_mm() and core dumping (CVE-2019-11599)

  • kernel: fs/ext4/extents.c leads to information disclosure (CVE-2019-11833)

  • kernel: sensitive information disclosure from kernel stack memory via HIDPCONNADD command (CVE-2019-11884)

  • 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: oob memory read in hso_probe in drivers/net/usb/hso.c (CVE-2018-19985)

  • Kernel: KVM: leak of uninitialized stack contents to guest (CVE-2019-7222)

  • Kernel: net: weak IP ID generation leads to remote device tracking (CVE-2019-10638)

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.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.1 Release Notes linked from 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-2019:3309. The text 
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(130526);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/05/07");

  script_cve_id("CVE-2018-16884", "CVE-2018-19854", "CVE-2018-19985", "CVE-2018-20169", "CVE-2019-10126", "CVE-2019-10207", "CVE-2019-10638", "CVE-2019-11599", "CVE-2019-11833", "CVE-2019-11884", "CVE-2019-13233", "CVE-2019-14821", "CVE-2019-15666", "CVE-2019-15916", "CVE-2019-15921", "CVE-2019-15924", "CVE-2019-16994", "CVE-2019-3459", "CVE-2019-3460", "CVE-2019-3874", "CVE-2019-3882", "CVE-2019-3900", "CVE-2019-5489", "CVE-2019-7222", "CVE-2019-9506");
  script_xref(name:"RHSA", value:"2019:3309");

  script_name(english:"RHEL 8 : kernel-rt (RHSA-2019:3309)");
  script_summary(english:"Checks the rpm output for the updated packages");

  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-rt is now available for Red Hat Enterprise Linux
8.

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-rt packages provide the Real Time Linux Kernel, which
enables fine-tuning for systems with extremely high determinism
requirements.

Security Fix(es) :

* kernel: nfs: use-after-free in svc_process_common() (CVE-2018-16884)

* Kernel: vhost_net: infinite loop while receiving packets leads to
DoS (CVE-2019-3900)

* Kernel: page cache side channel attacks (CVE-2019-5489)

* hardware: bluetooth: BR/EDR encryption key negotiation attacks
(KNOB) (CVE-2019-9506)

* kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in
drivers/net /wireless/marvell/mwifiex/ie.c (CVE-2019-10126)

* Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)

* kernel: Information Disclosure in crypto_report_one in
crypto/crypto_user.c (CVE-2018-19854)

* kernel: usb: missing size check in the __usb_get_extra_descriptor()
leading to DoS (CVE-2018-20169)

* kernel: Heap address information leak while using L2CAP_GET_CONF_OPT
(CVE-2019-3459)

* kernel: Heap address information leak while using
L2CAP_PARSE_CONF_RSP (CVE-2019-3460)

* kernel: SCTP socket buffer memory leak leading to denial of service
(CVE-2019-3874)

* kernel: denial of service vector through vfio DMA mappings
(CVE-2019-3882)

* kernel: NULL pointer dereference in hci_uart_set_flow_control
(CVE-2019-10207)

* kernel: fix race condition between mmget_not_zero()/get_task_mm()
and core dumping (CVE-2019-11599)

* kernel: fs/ext4/extents.c leads to information disclosure
(CVE-2019-11833)

* kernel: sensitive information disclosure from kernel stack memory
via HIDPCONNADD command (CVE-2019-11884)

* 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: oob memory read in hso_probe in drivers/net/usb/hso.c
(CVE-2018-19985)

* Kernel: KVM: leak of uninitialized stack contents to guest
(CVE-2019-7222)

* Kernel: net: weak IP ID generation leads to remote device tracking
(CVE-2019-10638)

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.

Additional Changes :

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.1 Release Notes linked from the References section."
  );
  # https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?774148ae"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/errata/RHSA-2019:3309"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-16884"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-19854"
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  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-19985"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2018-20169"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-3459"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-3460"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-3874"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-3882"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-3900"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-5489"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-7222"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-9506"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-10126"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-10207"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-10638"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-11599"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-11833"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-11884"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-13233"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-14821"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-15666"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-15916"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-15921"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-15924"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2019-16994"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-10126");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-rt");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-rt-core");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-core");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-kvm");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-kvm-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-extra");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-rt-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-rt-debuginfo-common-x86_64");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-rt-kvm");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-rt-kvm-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules-extra");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:8");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/12/04");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/11/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/11/06");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Red Hat Local Security Checks");

  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:"^8([^0-9]|$)", string:os_ver)) 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);

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 ("x86_64" >!< cpu) audit(AUDIT_ARCH_NOT, "x86_64", cpu);

if (get_one_kb_item("Host/ksplice/kernel-cves"))
{
  rm_kb_item(name:"Host/uptrack-uname-r");
  cve_list = make_list("CVE-2018-16884", "CVE-2018-19854", "CVE-2018-19985", "CVE-2018-20169", "CVE-2019-10126", "CVE-2019-10207", "CVE-2019-10638", "CVE-2019-11599", "CVE-2019-11833", "CVE-2019-11884", "CVE-2019-13233", "CVE-2019-14821", "CVE-2019-15666", "CVE-2019-15916", "CVE-2019-15921", "CVE-2019-15924", "CVE-2019-16994", "CVE-2019-3459", "CVE-2019-3460", "CVE-2019-3874", "CVE-2019-3882", "CVE-2019-3900", "CVE-2019-5489", "CVE-2019-7222", "CVE-2019-9506");
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, "KSplice hotfix for RHSA-2019:3309");
  }
  else
  {
    __rpm_report = ksplice_reporting_text();
  }
}

yum_updateinfo = get_kb_item("Host/RedHat/yum-updateinfo");
if (!empty_or_null(yum_updateinfo)) 
{
  rhsa = "RHSA-2019:3309";
  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:"RHEL8", cpu:"x86_64", reference:"kernel-rt-4.18.0-147.rt24.93.el8")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"kernel-rt-core-4.18.0-147.rt24.93.el8")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"kernel-rt-debug-4.18.0-147.rt24.93.el8")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"kernel-rt-debug-core-4.18.0-147.rt24.93.el8")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"kernel-rt-debug-debuginfo-4.18.0-147.rt24.93.el8")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"kernel-rt-debug-devel-4.18.0-147.rt24.93.el8")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"kernel-rt-debug-kvm-4.18.0-147.rt24.93.el8")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"kernel-rt-debug-kvm-debuginfo-4.18.0-147.rt24.93.el8")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"kernel-rt-debug-modules-4.18.0-147.rt24.93.el8")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"kernel-rt-debug-modules-extra-4.18.0-147.rt24.93.el8")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"kernel-rt-debuginfo-4.18.0-147.rt24.93.el8")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"kernel-rt-debuginfo-common-x86_64-4.18.0-147.rt24.93.el8")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"kernel-rt-devel-4.18.0-147.rt24.93.el8")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"kernel-rt-kvm-4.18.0-147.rt24.93.el8")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"kernel-rt-kvm-debuginfo-4.18.0-147.rt24.93.el8")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"kernel-rt-modules-4.18.0-147.rt24.93.el8")) flag++;
  if (rpm_check(release:"RHEL8", cpu:"x86_64", reference:"kernel-rt-modules-extra-4.18.0-147.rt24.93.el8")) 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-rt / kernel-rt-core / kernel-rt-debug / kernel-rt-debug-core / etc");
  }
}