SUSE SLES12 Security Update : kernel (SUSE-SU-2021:0098-1)

High Nessus Plugin ID 144914

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VPR Score: 6.7

Synopsis

The remote SUSE host is missing one or more security updates.

Description

The SUSE Linux Enterprise 12 SP5 Azure kernel was updated to receive various security and bugfixes.

The following security bugs were fixed :

CVE-2018-20669: Fixed an improper check i915_gem_execbuffer2_ioctl in drivers/gpu/drm/i915/i915_gem_execbuffer.c (bsc#1122971).

CVE-2019-20934: Fixed a use-after-free in show_numa_stats() because NUMA fault statistics were inappropriately freed, aka CID-16d51a590a8c (bsc#1179663).

CVE-2020-0444: Fixed a bad kfree due to a logic error in audit_data_to_entry (bnc#1180027).

CVE-2020-0465: Fixed multiple missing bounds checks in hid-multitouch.c that could have led to local privilege escalation (bnc#1180029).

CVE-2020-0466: Fixed a use-after-free due to a logic error in do_epoll_ctl and ep_loop_check_proc of eventpoll.c (bnc#1180031).

CVE-2020-4788: Fixed an issue with IBM Power9 processors could have allowed a local user to obtain sensitive information from the data in the L1 cache under extenuating circumstances (bsc#1177666).

CVE-2020-15436: Fixed a use after free vulnerability in fs/block_dev.c which could have allowed local users to gain privileges or cause a denial of service (bsc#1179141).

CVE-2020-27068: Fixed an out-of-bounds read due to a missing bounds check in the nl80211_policy policy of nl80211.c (bnc#1180086).

CVE-2020-27777: Fixed a privilege escalation in the Run-Time Abstraction Services (RTAS) interface, affecting guests running on top of PowerVM or KVM hypervisors (bnc#1179107).

CVE-2020-27786: Fixed an out-of-bounds write in the MIDI implementation (bnc#1179601).

CVE-2020-27825: Fixed a race in the trace_open and buffer resize calls (bsc#1179960).

CVE-2020-29371: Fixed uninitialized memory leaks to userspace (bsc#1179429).

CVE-2020-29660: Fixed a locking inconsistency in the tty subsystem that may have allowed a read-after-free attack against TIOCGSID (bnc#1179745).

CVE-2020-29661: Fixed a locking issue in the tty subsystem that allowed a use-after-free attack against TIOCSPGRP (bsc#1179745).

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.

Solution

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 Server 12-SP5 :

zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-98=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1040855

https://bugzilla.suse.com/show_bug.cgi?id=1044120

https://bugzilla.suse.com/show_bug.cgi?id=1044767

https://bugzilla.suse.com/show_bug.cgi?id=1050242

https://bugzilla.suse.com/show_bug.cgi?id=1050536

https://bugzilla.suse.com/show_bug.cgi?id=1050545

https://bugzilla.suse.com/show_bug.cgi?id=1055117

https://bugzilla.suse.com/show_bug.cgi?id=1056653

https://bugzilla.suse.com/show_bug.cgi?id=1056657

https://bugzilla.suse.com/show_bug.cgi?id=1056787

https://bugzilla.suse.com/show_bug.cgi?id=1064802

https://bugzilla.suse.com/show_bug.cgi?id=1065729

https://bugzilla.suse.com/show_bug.cgi?id=1066129

https://bugzilla.suse.com/show_bug.cgi?id=1094840

https://bugzilla.suse.com/show_bug.cgi?id=1103990

https://bugzilla.suse.com/show_bug.cgi?id=1103992

https://bugzilla.suse.com/show_bug.cgi?id=1104389

https://bugzilla.suse.com/show_bug.cgi?id=1104393

https://bugzilla.suse.com/show_bug.cgi?id=1109695

https://bugzilla.suse.com/show_bug.cgi?id=1109837

https://bugzilla.suse.com/show_bug.cgi?id=1110096

https://bugzilla.suse.com/show_bug.cgi?id=1111666

https://bugzilla.suse.com/show_bug.cgi?id=1112178

https://bugzilla.suse.com/show_bug.cgi?id=1112374

https://bugzilla.suse.com/show_bug.cgi?id=1114648

https://bugzilla.suse.com/show_bug.cgi?id=1115431

https://bugzilla.suse.com/show_bug.cgi?id=1118657

https://bugzilla.suse.com/show_bug.cgi?id=1122971

https://bugzilla.suse.com/show_bug.cgi?id=1136460

https://bugzilla.suse.com/show_bug.cgi?id=1136461

https://bugzilla.suse.com/show_bug.cgi?id=1138374

https://bugzilla.suse.com/show_bug.cgi?id=1139944

https://bugzilla.suse.com/show_bug.cgi?id=1152457

https://bugzilla.suse.com/show_bug.cgi?id=1158775

https://bugzilla.suse.com/show_bug.cgi?id=1164780

https://bugzilla.suse.com/show_bug.cgi?id=1171078

https://bugzilla.suse.com/show_bug.cgi?id=1172538

https://bugzilla.suse.com/show_bug.cgi?id=1172694

https://bugzilla.suse.com/show_bug.cgi?id=1174784

https://bugzilla.suse.com/show_bug.cgi?id=1174852

https://bugzilla.suse.com/show_bug.cgi?id=1176558

https://bugzilla.suse.com/show_bug.cgi?id=1176559

https://bugzilla.suse.com/show_bug.cgi?id=1176956

https://bugzilla.suse.com/show_bug.cgi?id=1177666

https://bugzilla.suse.com/show_bug.cgi?id=1178270

https://bugzilla.suse.com/show_bug.cgi?id=1178401

https://bugzilla.suse.com/show_bug.cgi?id=1178590

https://bugzilla.suse.com/show_bug.cgi?id=1178634

https://bugzilla.suse.com/show_bug.cgi?id=1178762

https://bugzilla.suse.com/show_bug.cgi?id=1179014

https://bugzilla.suse.com/show_bug.cgi?id=1179015

https://bugzilla.suse.com/show_bug.cgi?id=1179045

https://bugzilla.suse.com/show_bug.cgi?id=1179082

https://bugzilla.suse.com/show_bug.cgi?id=1179107

https://bugzilla.suse.com/show_bug.cgi?id=1179141

https://bugzilla.suse.com/show_bug.cgi?id=1179142

https://bugzilla.suse.com/show_bug.cgi?id=1179204

https://bugzilla.suse.com/show_bug.cgi?id=1179403

https://bugzilla.suse.com/show_bug.cgi?id=1179406

https://bugzilla.suse.com/show_bug.cgi?id=1179418

https://bugzilla.suse.com/show_bug.cgi?id=1179419

https://bugzilla.suse.com/show_bug.cgi?id=1179421

https://bugzilla.suse.com/show_bug.cgi?id=1179429

https://bugzilla.suse.com/show_bug.cgi?id=1179444

https://bugzilla.suse.com/show_bug.cgi?id=1179520

https://bugzilla.suse.com/show_bug.cgi?id=1179578

https://bugzilla.suse.com/show_bug.cgi?id=1179601

https://bugzilla.suse.com/show_bug.cgi?id=1179616

https://bugzilla.suse.com/show_bug.cgi?id=1179663

https://bugzilla.suse.com/show_bug.cgi?id=1179666

https://bugzilla.suse.com/show_bug.cgi?id=1179670

https://bugzilla.suse.com/show_bug.cgi?id=1179671

https://bugzilla.suse.com/show_bug.cgi?id=1179672

https://bugzilla.suse.com/show_bug.cgi?id=1179673

https://bugzilla.suse.com/show_bug.cgi?id=1179711

https://bugzilla.suse.com/show_bug.cgi?id=1179713

https://bugzilla.suse.com/show_bug.cgi?id=1179714

https://bugzilla.suse.com/show_bug.cgi?id=1179715

https://bugzilla.suse.com/show_bug.cgi?id=1179716

https://bugzilla.suse.com/show_bug.cgi?id=1179722

https://bugzilla.suse.com/show_bug.cgi?id=1179723

https://bugzilla.suse.com/show_bug.cgi?id=1179724

https://bugzilla.suse.com/show_bug.cgi?id=1179745

https://bugzilla.suse.com/show_bug.cgi?id=1179810

https://bugzilla.suse.com/show_bug.cgi?id=1179888

https://bugzilla.suse.com/show_bug.cgi?id=1179895

https://bugzilla.suse.com/show_bug.cgi?id=1179896

https://bugzilla.suse.com/show_bug.cgi?id=1179960

https://bugzilla.suse.com/show_bug.cgi?id=1179963

https://bugzilla.suse.com/show_bug.cgi?id=1180027

https://bugzilla.suse.com/show_bug.cgi?id=1180028

https://bugzilla.suse.com/show_bug.cgi?id=1180029

https://bugzilla.suse.com/show_bug.cgi?id=1180030

https://bugzilla.suse.com/show_bug.cgi?id=1180031

https://bugzilla.suse.com/show_bug.cgi?id=1180032

https://bugzilla.suse.com/show_bug.cgi?id=1180052

https://bugzilla.suse.com/show_bug.cgi?id=1180086

https://bugzilla.suse.com/show_bug.cgi?id=1180117

https://bugzilla.suse.com/show_bug.cgi?id=1180258

https://bugzilla.suse.com/show_bug.cgi?id=1180506

https://www.suse.com/security/cve/CVE-2018-20669/

https://www.suse.com/security/cve/CVE-2019-20934/

https://www.suse.com/security/cve/CVE-2020-0444/

https://www.suse.com/security/cve/CVE-2020-0465/

https://www.suse.com/security/cve/CVE-2020-0466/

https://www.suse.com/security/cve/CVE-2020-15436/

https://www.suse.com/security/cve/CVE-2020-27068/

https://www.suse.com/security/cve/CVE-2020-27777/

https://www.suse.com/security/cve/CVE-2020-27786/

https://www.suse.com/security/cve/CVE-2020-27825/

https://www.suse.com/security/cve/CVE-2020-29371/

https://www.suse.com/security/cve/CVE-2020-29660/

https://www.suse.com/security/cve/CVE-2020-29661/

https://www.suse.com/security/cve/CVE-2020-4788/

http://www.nessus.org/u?b07b6a77

Plugin Details

Severity: High

ID: 144914

File Name: suse_SU-2021-0098-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2021/01/13

Updated: 2021/01/15

Dependencies: 12634

Risk Information

Risk Factor: High

VPR Score: 6.7

CVSS v2.0

Base Score: 7.2

Temporal Score: 5.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:POC/RL:OF/RC:C

CVSS v3.0

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:kernel-azure, p-cpe:/a:novell:suse_linux:kernel-azure-base, p-cpe:/a:novell:suse_linux:kernel-azure-base-debuginfo, p-cpe:/a:novell:suse_linux:kernel-azure-debuginfo, p-cpe:/a:novell:suse_linux:kernel-azure-debugsource, p-cpe:/a:novell:suse_linux:kernel-azure-devel, p-cpe:/a:novell:suse_linux:kernel-syms-azure, cpe:/o:novell:suse_linux:12

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2021/01/12

Vulnerability Publication Date: 2019/03/21

Reference Information

CVE: CVE-2018-20669, CVE-2019-20934, CVE-2020-0444, CVE-2020-0465, CVE-2020-0466, CVE-2020-15436, CVE-2020-27068, CVE-2020-27777, CVE-2020-27786, CVE-2020-27825, CVE-2020-29371, CVE-2020-29660, CVE-2020-29661, CVE-2020-4788