CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
AI Score
Confidence
Low
EPSS
Percentile
15.5%
The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bug fixes.
The following security bugs were fixed :
CVE-2020-25656: Fixed a concurrency use-after-free in vt_do_kdgkb_ioctl (bnc#1177766).
CVE-2020-8694: Restricted energy meter to root access (bsc#1170415).
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-2020:3273-1.
# The text itself is copyright (C) SUSE.
#
include('compat.inc');
if (description)
{
script_id(143629);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/06");
script_cve_id("CVE-2020-25656", "CVE-2020-8694");
script_name(english:"SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2020:3273-1)");
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 15 SP2 kernel was updated to receive various
security and bug fixes.
The following security bugs were fixed :
CVE-2020-25656: Fixed a concurrency use-after-free in
vt_do_kdgkb_ioctl (bnc#1177766).
CVE-2020-8694: Restricted energy meter to root access (bsc#1170415).
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=1065600");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1066382");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1149032");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1163592");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1164648");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1170415");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1175749");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1176354");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1177281");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1177766");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1177799");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1177801");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178166");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178173");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178175");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178176");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178177");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178183");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178184");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178185");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178186");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178190");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178191");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178255");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178307");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178330");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1178395");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-25656/");
script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-8694/");
# https://www.suse.com/support/update/announcement/2020/suse-su-20203273-1
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?24bc19d5");
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 Workstation Extension 15-SP2 :
zypper in -t patch SUSE-SLE-Product-WE-15-SP2-2020-3273=1
SUSE Linux Enterprise Module for Live Patching 15-SP2 :
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2020-3273=1
SUSE Linux Enterprise Module for Legacy Software 15-SP2 :
zypper in -t patch SUSE-SLE-Module-Legacy-15-SP2-2020-3273=1
SUSE Linux Enterprise Module for Development Tools 15-SP2 :
zypper in -t patch
SUSE-SLE-Module-Development-Tools-15-SP2-2020-3273=1
SUSE Linux Enterprise Module for Basesystem 15-SP2 :
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-3273=1
SUSE Linux Enterprise High Availability 15-SP2 :
zypper in -t patch SUSE-SLE-Product-HA-15-SP2-2020-3273=1");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N");
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:U/C:H/I:N/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-8694");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/11/12");
script_set_attribute(attribute:"patch_publication_date", value:"2020/11/10");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/12/09");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-base");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-default-devel-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-obs-build");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-obs-build-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-preempt");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-preempt-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-preempt-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-preempt-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-preempt-devel-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:kernel-syms");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:reiserfs-kmp-default");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:reiserfs-kmp-default-debuginfo");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"SuSE 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");
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:"^(SLED15|SLES15)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLED15 / SLES15", "SUSE " + os_ver);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);
sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES15" && (! preg(pattern:"^(2)$", string:sp))) audit(AUDIT_OS_NOT, "SLES15 SP2", os_ver + " SP" + sp);
if (os_ver == "SLED15" && (! preg(pattern:"^(2)$", string:sp))) audit(AUDIT_OS_NOT, "SLED15 SP2", os_ver + " SP" + sp);
flag = 0;
if (rpm_check(release:"SLES15", sp:"2", cpu:"x86_64", reference:"kernel-preempt-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", cpu:"x86_64", reference:"kernel-preempt-debuginfo-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", cpu:"x86_64", reference:"kernel-preempt-debugsource-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", cpu:"x86_64", reference:"kernel-preempt-devel-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", cpu:"x86_64", reference:"kernel-preempt-devel-debuginfo-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"kernel-default-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"kernel-default-base-5.3.18-24.37.1.9.13.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"kernel-default-debuginfo-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"kernel-default-debugsource-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"kernel-default-devel-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"kernel-default-devel-debuginfo-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"kernel-obs-build-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"kernel-obs-build-debugsource-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"kernel-syms-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"reiserfs-kmp-default-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLES15", sp:"2", reference:"reiserfs-kmp-default-debuginfo-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", cpu:"x86_64", reference:"kernel-preempt-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", cpu:"x86_64", reference:"kernel-preempt-debuginfo-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", cpu:"x86_64", reference:"kernel-preempt-debugsource-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", cpu:"x86_64", reference:"kernel-preempt-devel-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", cpu:"x86_64", reference:"kernel-preempt-devel-debuginfo-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"kernel-default-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"kernel-default-base-5.3.18-24.37.1.9.13.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"kernel-default-debuginfo-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"kernel-default-debugsource-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"kernel-default-devel-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"kernel-default-devel-debuginfo-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"kernel-obs-build-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"kernel-obs-build-debugsource-5.3.18-24.37.1")) flag++;
if (rpm_check(release:"SLED15", sp:"2", reference:"kernel-syms-5.3.18-24.37.1")) flag++;
if (flag)
{
if (report_verbosity > 0) security_note(port:0, extra:rpm_report_get());
else security_note(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "kernel");
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25656
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8694
www.nessus.org/u?24bc19d5
bugzilla.suse.com/show_bug.cgi?id=1065600
bugzilla.suse.com/show_bug.cgi?id=1066382
bugzilla.suse.com/show_bug.cgi?id=1149032
bugzilla.suse.com/show_bug.cgi?id=1163592
bugzilla.suse.com/show_bug.cgi?id=1164648
bugzilla.suse.com/show_bug.cgi?id=1170415
bugzilla.suse.com/show_bug.cgi?id=1175749
bugzilla.suse.com/show_bug.cgi?id=1176354
bugzilla.suse.com/show_bug.cgi?id=1177281
bugzilla.suse.com/show_bug.cgi?id=1177766
bugzilla.suse.com/show_bug.cgi?id=1177799
bugzilla.suse.com/show_bug.cgi?id=1177801
bugzilla.suse.com/show_bug.cgi?id=1178166
bugzilla.suse.com/show_bug.cgi?id=1178173
bugzilla.suse.com/show_bug.cgi?id=1178175
bugzilla.suse.com/show_bug.cgi?id=1178176
bugzilla.suse.com/show_bug.cgi?id=1178177
bugzilla.suse.com/show_bug.cgi?id=1178183
bugzilla.suse.com/show_bug.cgi?id=1178184
bugzilla.suse.com/show_bug.cgi?id=1178185
bugzilla.suse.com/show_bug.cgi?id=1178186
bugzilla.suse.com/show_bug.cgi?id=1178190
bugzilla.suse.com/show_bug.cgi?id=1178191
bugzilla.suse.com/show_bug.cgi?id=1178255
bugzilla.suse.com/show_bug.cgi?id=1178307
bugzilla.suse.com/show_bug.cgi?id=1178330
bugzilla.suse.com/show_bug.cgi?id=1178395
www.suse.com/security/cve/CVE-2020-25656/
www.suse.com/security/cve/CVE-2020-8694/
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
AI Score
Confidence
Low
EPSS
Percentile
15.5%