SUSE SLES15 Security Update : kernel (SUSE-SU-2021:0095-1)

High Nessus Plugin ID 144908

New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it's different from CVSS.

VPR Score: 6.7

Synopsis

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

Description

The SUSE Linux Enterprise 15 SP1 RT kernel was updated to receive various security and bugfixes.

The following security bugs were fixed :

CVE-2020-36158: Fixed a potential remote code execution in the Marvell mwifiex driver (bsc#1180559).

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

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

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

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

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).

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).

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 Module for Realtime 15-SP1 :

zypper in -t patch SUSE-SLE-Module-RT-15-SP1-2021-95=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=1055117

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

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

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

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

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

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

https://bugzilla.suse.com/show_bug.cgi?id=1144912

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

https://bugzilla.suse.com/show_bug.cgi?id=1163727

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=1172145

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

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

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

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=1179142

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

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

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=1180029

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

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://bugzilla.suse.com/show_bug.cgi?id=1180559

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-2020-27068/

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

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

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-2020-36158/

http://www.nessus.org/u?283ed3db

Plugin Details

Severity: High

ID: 144908

File Name: suse_SU-2021-0095-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2021/01/13

Updated: 2021/01/20

Dependencies: 12634

Risk Information

Risk Factor: High

VPR Score: 6.7

CVSS Score Source: CVE-2020-36158

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: 6.7

Temporal Score: 6

Vector: CVSS:3.0/AV:L/AC:L/PR:H/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:cluster-md-kmp-rt, p-cpe:/a:novell:suse_linux:cluster-md-kmp-rt-debuginfo, p-cpe:/a:novell:suse_linux:dlm-kmp-rt, p-cpe:/a:novell:suse_linux:dlm-kmp-rt-debuginfo, p-cpe:/a:novell:suse_linux:gfs2-kmp-rt, p-cpe:/a:novell:suse_linux:gfs2-kmp-rt-debuginfo, p-cpe:/a:novell:suse_linux:kernel-rt, p-cpe:/a:novell:suse_linux:kernel-rt-base, p-cpe:/a:novell:suse_linux:kernel-rt-base-debuginfo, p-cpe:/a:novell:suse_linux:kernel-rt-debuginfo, p-cpe:/a:novell:suse_linux:kernel-rt-debugsource, p-cpe:/a:novell:suse_linux:kernel-rt-devel, p-cpe:/a:novell:suse_linux:kernel-rt-devel-debuginfo, p-cpe:/a:novell:suse_linux:kernel-rt_debug-debuginfo, p-cpe:/a:novell:suse_linux:kernel-rt_debug-debugsource, p-cpe:/a:novell:suse_linux:kernel-rt_debug-devel, p-cpe:/a:novell:suse_linux:kernel-rt_debug-devel-debuginfo, p-cpe:/a:novell:suse_linux:kernel-syms-rt, p-cpe:/a:novell:suse_linux:ocfs2-kmp-rt, p-cpe:/a:novell:suse_linux:ocfs2-kmp-rt-debuginfo, cpe:/o:novell:suse_linux:15

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: 2020/12/09

Reference Information

CVE: CVE-2020-0444, CVE-2020-0465, CVE-2020-0466, CVE-2020-27068, CVE-2020-27777, CVE-2020-27825, CVE-2020-29660, CVE-2020-29661, CVE-2020-36158