SUSE SLES12 Security Update : kernel (SUSE-SU-2020:3281-1)

high Nessus Plugin ID 143773

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Synopsis

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

Description

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

The following security bugs were fixed :

CVE-2020-25656: Fixed a concurrency use-after-free in vt_do_kdgkb_ioctl (bnc#1177766).

CVE-2020-25285: Fixed a race condition between hugetlb sysctl handlers in mm/hugetlb.c (bnc#1176485).

CVE-2020-0430: Fixed an OOB read in skb_headlen of /include/linux/skbuff.h (bnc#1176723).

CVE-2020-14351: Fixed a race in the perf_mmap_close() function (bsc#1177086).

CVE-2020-16120: Fixed a permissions issue in ovl_path_open() (bsc#1177470).

CVE-2020-12351: Implemented a kABI workaround for bluetooth l2cap_ops filter addition (bsc#1177724).

CVE-2020-12352: Fixed an information leak when processing certain AMP packets aka 'BleedingTooth' (bsc#1177725).

CVE-2020-25212: Fixed a TOCTOU mismatch in the NFS client code (bnc#1176381).

CVE-2020-25645: Fixed an an issue in IPsec that caused traffic between two Geneve endpoints to be unencrypted (bnc#1177511).

CVE-2020-27673: Fixed an issue where rogue guests could have caused denial of service of Dom0 via high frequency events (XSA-332 bsc#1177411)

CVE-2020-27675: Fixed a race condition in event handler which may crash dom0 (XSA-331 bsc#1177410).

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-SP5-2020-3281=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1065600

https://bugzilla.suse.com/show_bug.cgi?id=1055014

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

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

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

https://bugzilla.suse.com/show_bug.cgi?id=1134760

https://bugzilla.suse.com/show_bug.cgi?id=1066382

https://bugzilla.suse.com/show_bug.cgi?id=1061843

https://bugzilla.suse.com/show_bug.cgi?id=1152624

https://bugzilla.suse.com/show_bug.cgi?id=1157424

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

https://bugzilla.suse.com/show_bug.cgi?id=1171558

https://bugzilla.suse.com/show_bug.cgi?id=1176381

https://bugzilla.suse.com/show_bug.cgi?id=1177027

https://bugzilla.suse.com/show_bug.cgi?id=1177086

https://bugzilla.suse.com/show_bug.cgi?id=1177410

https://bugzilla.suse.com/show_bug.cgi?id=1177411

https://bugzilla.suse.com/show_bug.cgi?id=1177511

https://bugzilla.suse.com/show_bug.cgi?id=1177725

https://bugzilla.suse.com/show_bug.cgi?id=1177766

https://www.suse.com/security/cve/CVE-2020-12352/

https://www.suse.com/security/cve/CVE-2020-14351/

https://www.suse.com/security/cve/CVE-2020-25212/

https://www.suse.com/security/cve/CVE-2020-25645/

https://www.suse.com/security/cve/CVE-2020-25656/

https://www.suse.com/security/cve/CVE-2020-27673/

https://bugzilla.suse.com/show_bug.cgi?id=1176410

https://bugzilla.suse.com/show_bug.cgi?id=1163592

https://bugzilla.suse.com/show_bug.cgi?id=1176354

https://bugzilla.suse.com/show_bug.cgi?id=1177281

https://bugzilla.suse.com/show_bug.cgi?id=1178166

https://bugzilla.suse.com/show_bug.cgi?id=1178185

https://bugzilla.suse.com/show_bug.cgi?id=1178330

https://bugzilla.suse.com/show_bug.cgi?id=1077428

https://bugzilla.suse.com/show_bug.cgi?id=1174748

https://bugzilla.suse.com/show_bug.cgi?id=1176485

https://bugzilla.suse.com/show_bug.cgi?id=1176713

https://bugzilla.suse.com/show_bug.cgi?id=1177470

https://bugzilla.suse.com/show_bug.cgi?id=1177749

https://bugzilla.suse.com/show_bug.cgi?id=1177750

https://bugzilla.suse.com/show_bug.cgi?id=1177754

https://bugzilla.suse.com/show_bug.cgi?id=1177755

https://bugzilla.suse.com/show_bug.cgi?id=1177855

https://bugzilla.suse.com/show_bug.cgi?id=1177856

https://bugzilla.suse.com/show_bug.cgi?id=1177861

https://www.suse.com/security/cve/CVE-2020-16120/

https://www.suse.com/security/cve/CVE-2020-25285/

https://bugzilla.suse.com/show_bug.cgi?id=1131277

https://bugzilla.suse.com/show_bug.cgi?id=1140683

https://bugzilla.suse.com/show_bug.cgi?id=1175520

https://bugzilla.suse.com/show_bug.cgi?id=1176400

https://bugzilla.suse.com/show_bug.cgi?id=1176946

https://bugzilla.suse.com/show_bug.cgi?id=1177340

https://bugzilla.suse.com/show_bug.cgi?id=1177685

https://bugzilla.suse.com/show_bug.cgi?id=1177724

https://www.suse.com/security/cve/CVE-2020-12351/

https://bugzilla.suse.com/show_bug.cgi?id=1172757

https://bugzilla.suse.com/show_bug.cgi?id=1168468

https://bugzilla.suse.com/show_bug.cgi?id=1171675

https://bugzilla.suse.com/show_bug.cgi?id=1175716

https://bugzilla.suse.com/show_bug.cgi?id=1177258

https://bugzilla.suse.com/show_bug.cgi?id=1177359

https://bugzilla.suse.com/show_bug.cgi?id=1177687

https://bugzilla.suse.com/show_bug.cgi?id=1176395

https://bugzilla.suse.com/show_bug.cgi?id=1177271

https://bugzilla.suse.com/show_bug.cgi?id=1177719

https://bugzilla.suse.com/show_bug.cgi?id=1173432

https://bugzilla.suse.com/show_bug.cgi?id=1176560

https://bugzilla.suse.com/show_bug.cgi?id=1176723

https://bugzilla.suse.com/show_bug.cgi?id=1177101

https://bugzilla.suse.com/show_bug.cgi?id=1177740

https://bugzilla.suse.com/show_bug.cgi?id=1177753

https://bugzilla.suse.com/show_bug.cgi?id=1178027

https://bugzilla.suse.com/show_bug.cgi?id=1178187

https://bugzilla.suse.com/show_bug.cgi?id=1178188

https://bugzilla.suse.com/show_bug.cgi?id=1178202

https://bugzilla.suse.com/show_bug.cgi?id=1178234

https://www.suse.com/security/cve/CVE-2020-0430/

https://www.suse.com/security/cve/CVE-2020-27675/

https://bugzilla.suse.com/show_bug.cgi?id=936888

http://www.nessus.org/u?4d0a219f

Plugin Details

Severity: High

ID: 143773

File Name: suse_SU-2020-3281-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 12/9/2020

Updated: 4/12/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.5

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

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

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: cpe:2.3:o:novell:suse_linux:12:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-azure:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-azure-base:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-azure-base-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-azure-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-azure-debugsource:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-azure-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:novell:suse_linux:kernel-syms-azure:*:*:*:*:*:*:*

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: 11/11/2020

Vulnerability Publication Date: 9/9/2020

Reference Information

CVE: CVE-2020-25212, CVE-2020-25285, CVE-2020-0430, CVE-2020-25645, CVE-2020-16120, CVE-2020-12351, CVE-2020-12352, CVE-2020-27673, CVE-2020-27675, CVE-2020-14351, CVE-2020-25656