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
0.783 High
EPSS
Percentile
98.3%
The SUSE Linux Enterprise 12 SP3 Azure kernel was updated to 4.4.143 to receive various security and bugfixes. The following security bugs were fixed :
CVE-2018-3620: Local attackers on baremetal systems could use speculative code patterns on hyperthreaded processors to read data present in the L1 Datacache used by other hyperthreads on the same CPU core, potentially leaking sensitive data. (bnc#1087081).
CVE-2018-3646: Local attackers in virtualized guest systems could use speculative code patterns on hyperthreaded processors to read data present in the L1 Datacache used by other hyperthreads on the same CPU core, potentially leaking sensitive data, even from other virtual machines or the host system.
(bnc#1089343).
CVE-2018-5391: A flaw in the IP packet reassembly could be used by remote attackers to consume CPU time (bnc#1103097).
CVE-2018-5390: Linux kernel versions 4.9+ can be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of service (bnc#1102340).
CVE-2018-14734: drivers/infiniband/core/ucma.c allowed ucma_leave_multicast to access a certain data structure after a cleanup step in ucma_process_join, which allowed attackers to cause a denial of service (use-after-free) (bnc#1103119).
CVE-2017-18344: The timer_create syscall implementation in kernel/time/posix-timers.c didn’t properly validate the sigevent->sigev_notify field, which leads to out-of-bounds access in the show_timer function (called when /proc/$PID/timers is read). This allowed userspace applications to read arbitrary kernel memory (on a kernel built with CONFIG_POSIX_TIMERS and CONFIG_CHECKPOINT_RESTORE) (bnc#1102851 1103580).
The update package also includes non-security fixes. See advisory for details.
Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2018:2374-1.
# The text itself is copyright (C) SUSE.
#
include("compat.inc");
if (description)
{
script_id(111837);
script_version("1.9");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/03/08");
script_cve_id("CVE-2017-18344", "CVE-2018-14734", "CVE-2018-3620", "CVE-2018-3646", "CVE-2018-5390", "CVE-2018-5391");
script_name(english:"SUSE SLES12 Security Update : kernel (SUSE-SU-2018:2374-1) (Foreshadow)");
script_summary(english:"Checks rpm output for the updated packages.");
script_set_attribute(
attribute:"synopsis",
value:"The remote SUSE host is missing one or more security updates."
);
script_set_attribute(
attribute:"description",
value:
"The SUSE Linux Enterprise 12 SP3 Azure kernel was updated to 4.4.143
to receive various security and bugfixes. The following security bugs
were fixed :
- CVE-2018-3620: Local attackers on baremetal systems
could use speculative code patterns on hyperthreaded
processors to read data present in the L1 Datacache used
by other hyperthreads on the same CPU core, potentially
leaking sensitive data. (bnc#1087081).
- CVE-2018-3646: Local attackers in virtualized guest
systems could use speculative code patterns on
hyperthreaded processors to read data present in the L1
Datacache used by other hyperthreads on the same CPU
core, potentially leaking sensitive data, even from
other virtual machines or the host system.
(bnc#1089343).
- CVE-2018-5391: A flaw in the IP packet reassembly could
be used by remote attackers to consume CPU time
(bnc#1103097).
- CVE-2018-5390: Linux kernel versions 4.9+ can be forced
to make very expensive calls to tcp_collapse_ofo_queue()
and tcp_prune_ofo_queue() for every incoming packet
which can lead to a denial of service (bnc#1102340).
- CVE-2018-14734: drivers/infiniband/core/ucma.c allowed
ucma_leave_multicast to access a certain data structure
after a cleanup step in ucma_process_join, which allowed
attackers to cause a denial of service (use-after-free)
(bnc#1103119).
- CVE-2017-18344: The timer_create syscall implementation
in kernel/time/posix-timers.c didn't properly validate
the sigevent->sigev_notify field, which leads to
out-of-bounds access in the show_timer function (called
when /proc/$PID/timers is read). This allowed userspace
applications to read arbitrary kernel memory (on a
kernel built with CONFIG_POSIX_TIMERS and
CONFIG_CHECKPOINT_RESTORE) (bnc#1102851 1103580).
The update package also includes non-security fixes. See advisory for
details.
Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1012382"
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1023711"
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script_set_attribute(
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script_set_attribute(
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script_set_attribute(
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script_set_attribute(
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script_set_attribute(
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script_set_attribute(
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script_set_attribute(
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script_set_attribute(
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script_set_attribute(
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script_set_attribute(
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script_set_attribute(
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1090888"
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1091107"
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1092001"
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1092207"
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1093777"
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1094120"
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script_set_attribute(
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1095453"
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1095643"
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script_set_attribute(
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script_set_attribute(
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1097034"
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script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1097501"
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1097771"
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1098599"
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script_set_attribute(
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1099713"
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1099792"
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script_set_attribute(
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1099858"
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1099918"
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script_set_attribute(
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1099993"
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1100089"
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1100132"
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1100340"
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script_set_attribute(
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1100930"
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1101296"
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script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1101331"
);
script_set_attribute(
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value:"https://bugzilla.suse.com/show_bug.cgi?id=1101658"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1101789"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1102188"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1102197"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1102203"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1102205"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1102207"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1102211"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1102214"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1102215"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1102340"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1102394"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1102683"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1102851"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1103097"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1103119"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1103580"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1103717"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1103745"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1103884"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=1104174"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.suse.com/show_bug.cgi?id=997935"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2017-18344/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2018-14734/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2018-3620/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2018-3646/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2018-5390/"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.suse.com/security/cve/CVE-2018-5391/"
);
# https://www.suse.com/support/update/announcement/2018/suse-su-20182374-1/
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?710f5d74"
);
script_set_attribute(
attribute:"solution",
value:
"To install this SUSE Security Update use the SUSE recommended
installation methods like YaST online_update or 'zypper patch'.
Alternatively you can run the command listed for your product :
SUSE Linux Enterprise Software Development Kit 12-SP3:zypper in -t
patch SUSE-SLE-SDK-12-SP3-2018-1606=1
SUSE Linux Enterprise Server 12-SP3:zypper in -t patch
SUSE-SLE-SERVER-12-SP3-2018-1606=1"
);
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: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:"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:"exploit_framework_canvas", value:"true");
script_set_attribute(attribute:"canvas_package", value:'CANVAS');
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-azure");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-azure-base");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-azure-base-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-azure-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-azure-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-azure-devel");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
script_set_attribute(attribute:"vuln_publication_date", value:"2018/07/26");
script_set_attribute(attribute:"patch_publication_date", value:"2018/08/16");
script_set_attribute(attribute:"plugin_publication_date", value:"2018/08/17");
script_set_attribute(attribute:"in_the_news", value:"true");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2018-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"SuSE Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/rpm-list");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/SuSE/release");
if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES12)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES12", "SUSE " + os_ver);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);
if (cpu >!< "x86_64") audit(AUDIT_ARCH_NOT, "x86_64", cpu);
sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES12" && (! preg(pattern:"^(3)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP3", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kernel-azure-4.4.143-4.13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kernel-azure-base-4.4.143-4.13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kernel-azure-base-debuginfo-4.4.143-4.13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kernel-azure-debuginfo-4.4.143-4.13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kernel-azure-debugsource-4.4.143-4.13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"3", cpu:"x86_64", reference:"kernel-azure-devel-4.4.143-4.13.1")) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
else security_hole(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "kernel");
}
Vendor | Product | Version | CPE |
---|---|---|---|
novell | suse_linux | kernel-azure | p-cpe:/a:novell:suse_linux:kernel-azure |
novell | suse_linux | kernel-azure-base | p-cpe:/a:novell:suse_linux:kernel-azure-base |
novell | suse_linux | kernel-azure-base-debuginfo | p-cpe:/a:novell:suse_linux:kernel-azure-base-debuginfo |
novell | suse_linux | kernel-azure-debuginfo | p-cpe:/a:novell:suse_linux:kernel-azure-debuginfo |
novell | suse_linux | kernel-azure-debugsource | p-cpe:/a:novell:suse_linux:kernel-azure-debugsource |
novell | suse_linux | kernel-azure-devel | p-cpe:/a:novell:suse_linux:kernel-azure-devel |
novell | suse_linux | 12 | cpe:/o:novell:suse_linux:12 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18344
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14734
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3620
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3646
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5390
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5391
www.nessus.org/u?710f5d74
bugzilla.suse.com/show_bug.cgi?id=1012382
bugzilla.suse.com/show_bug.cgi?id=1023711
bugzilla.suse.com/show_bug.cgi?id=1064232
bugzilla.suse.com/show_bug.cgi?id=1076110
bugzilla.suse.com/show_bug.cgi?id=1078216
bugzilla.suse.com/show_bug.cgi?id=1082653
bugzilla.suse.com/show_bug.cgi?id=1082979
bugzilla.suse.com/show_bug.cgi?id=1085042
bugzilla.suse.com/show_bug.cgi?id=1085536
bugzilla.suse.com/show_bug.cgi?id=1085657
bugzilla.suse.com/show_bug.cgi?id=1087081
bugzilla.suse.com/show_bug.cgi?id=1087659
bugzilla.suse.com/show_bug.cgi?id=1089343
bugzilla.suse.com/show_bug.cgi?id=1089525
bugzilla.suse.com/show_bug.cgi?id=1090123
bugzilla.suse.com/show_bug.cgi?id=1090340
bugzilla.suse.com/show_bug.cgi?id=1090435
bugzilla.suse.com/show_bug.cgi?id=1090888
bugzilla.suse.com/show_bug.cgi?id=1091107
bugzilla.suse.com/show_bug.cgi?id=1092001
bugzilla.suse.com/show_bug.cgi?id=1092207
bugzilla.suse.com/show_bug.cgi?id=1093777
bugzilla.suse.com/show_bug.cgi?id=1094120
bugzilla.suse.com/show_bug.cgi?id=1094244
bugzilla.suse.com/show_bug.cgi?id=1095453
bugzilla.suse.com/show_bug.cgi?id=1095643
bugzilla.suse.com/show_bug.cgi?id=1096790
bugzilla.suse.com/show_bug.cgi?id=1096978
bugzilla.suse.com/show_bug.cgi?id=1097034
bugzilla.suse.com/show_bug.cgi?id=1097501
bugzilla.suse.com/show_bug.cgi?id=1097771
bugzilla.suse.com/show_bug.cgi?id=1098599
bugzilla.suse.com/show_bug.cgi?id=1099306
bugzilla.suse.com/show_bug.cgi?id=1099713
bugzilla.suse.com/show_bug.cgi?id=1099792
bugzilla.suse.com/show_bug.cgi?id=1099810
bugzilla.suse.com/show_bug.cgi?id=1099858
bugzilla.suse.com/show_bug.cgi?id=1099918
bugzilla.suse.com/show_bug.cgi?id=1099966
bugzilla.suse.com/show_bug.cgi?id=1099993
bugzilla.suse.com/show_bug.cgi?id=1100089
bugzilla.suse.com/show_bug.cgi?id=1100132
bugzilla.suse.com/show_bug.cgi?id=1100340
bugzilla.suse.com/show_bug.cgi?id=1100843
bugzilla.suse.com/show_bug.cgi?id=1100930
bugzilla.suse.com/show_bug.cgi?id=1101296
bugzilla.suse.com/show_bug.cgi?id=1101331
bugzilla.suse.com/show_bug.cgi?id=1101658
bugzilla.suse.com/show_bug.cgi?id=1101789
bugzilla.suse.com/show_bug.cgi?id=1102188
bugzilla.suse.com/show_bug.cgi?id=1102197
bugzilla.suse.com/show_bug.cgi?id=1102203
bugzilla.suse.com/show_bug.cgi?id=1102205
bugzilla.suse.com/show_bug.cgi?id=1102207
bugzilla.suse.com/show_bug.cgi?id=1102211
bugzilla.suse.com/show_bug.cgi?id=1102214
bugzilla.suse.com/show_bug.cgi?id=1102215
bugzilla.suse.com/show_bug.cgi?id=1102340
bugzilla.suse.com/show_bug.cgi?id=1102394
bugzilla.suse.com/show_bug.cgi?id=1102683
bugzilla.suse.com/show_bug.cgi?id=1102851
bugzilla.suse.com/show_bug.cgi?id=1103097
bugzilla.suse.com/show_bug.cgi?id=1103119
bugzilla.suse.com/show_bug.cgi?id=1103580
bugzilla.suse.com/show_bug.cgi?id=1103717
bugzilla.suse.com/show_bug.cgi?id=1103745
bugzilla.suse.com/show_bug.cgi?id=1103884
bugzilla.suse.com/show_bug.cgi?id=1104174
bugzilla.suse.com/show_bug.cgi?id=997935
www.suse.com/security/cve/CVE-2017-18344/
www.suse.com/security/cve/CVE-2018-14734/
www.suse.com/security/cve/CVE-2018-3620/
www.suse.com/security/cve/CVE-2018-3646/
www.suse.com/security/cve/CVE-2018-5390/
www.suse.com/security/cve/CVE-2018-5391/
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
0.783 High
EPSS
Percentile
98.3%