SUSE SLED15 / SLES15 Security Update : xen (SUSE-SU-2020:3412-1)

medium Nessus Plugin ID 143625

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Synopsis

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

Description

This update for xen fixes the following issues :

Security issue fixed :

CVE-2020-28368: Fixed the Intel RAPL sidechannel attack, aka PLATYPUS attack, aka XSA-351 (bsc#1178591).

Non-security issues fixed :

Updated to Xen 4.13.2 bug fix release (bsc#1027519).

Fixed a panic during MSI cleanup on AMD hardware (bsc#1027519).

Adjusted help for --max_iters, default is 5 (bsc#1177950).

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 Server Applications 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2020-3412=1

SUSE Linux Enterprise Module for Basesystem 15-SP2 :

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-3412=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1027519

https://bugzilla.suse.com/show_bug.cgi?id=1177950

https://bugzilla.suse.com/show_bug.cgi?id=1178591

https://www.suse.com/security/cve/CVE-2020-28368/

http://www.nessus.org/u?8849ae71

Plugin Details

Severity: Medium

ID: 143625

File Name: suse_SU-2020-3412-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 12/9/2020

Updated: 1/13/2021

Supported Sensors: Nessus Agent

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.9

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

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:xen, p-cpe:/a:novell:suse_linux:xen-debugsource, p-cpe:/a:novell:suse_linux:xen-devel, p-cpe:/a:novell:suse_linux:xen-libs, p-cpe:/a:novell:suse_linux:xen-libs-debuginfo, p-cpe:/a:novell:suse_linux:xen-tools, p-cpe:/a:novell:suse_linux:xen-tools-debuginfo, p-cpe:/a:novell:suse_linux:xen-tools-domU, p-cpe:/a:novell:suse_linux:xen-tools-domU-debuginfo, cpe:/o:novell:suse_linux:15

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/19/2020

Vulnerability Publication Date: 11/10/2020

Reference Information

CVE: CVE-2020-28368