openSUSE Security Update : xen (openSUSE-2020-818)

low Nessus Plugin ID 138687
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VPR Score: 6.1

Synopsis

The remote openSUSE host is missing a security update.

Description

This update for xen to version 4.12.3 fixes the following issues :

	 - CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or 'CrossTalk' (bsc#1172205).

- Added support for new 64bit libxl memory API (bsc#1167007 and bsc#1157490).

This update was imported from the SUSE:SLE-15-SP1:Update update project.

Solution

Update the affected xen packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1027519

https://bugzilla.opensuse.org/show_bug.cgi?id=1157490

https://bugzilla.opensuse.org/show_bug.cgi?id=1167007

https://bugzilla.opensuse.org/show_bug.cgi?id=1172205

Plugin Details

Severity: Low

ID: 138687

File Name: openSUSE-2020-818.nasl

Version: 1.2

Type: local

Agent: unix

Published: 7/20/2020

Updated: 7/22/2020

Dependencies: ssh_get_info.nasl

Risk Information

Risk Factor: Low

VPR Score: 6.1

CVSS v2.0

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 v3.0

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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:opensuse:xen, p-cpe:/a:novell:opensuse:xen-debugsource, p-cpe:/a:novell:opensuse:xen-devel, p-cpe:/a:novell:opensuse:xen-doc-html, p-cpe:/a:novell:opensuse:xen-libs, p-cpe:/a:novell:opensuse:xen-libs-32bit, p-cpe:/a:novell:opensuse:xen-libs-32bit-debuginfo, p-cpe:/a:novell:opensuse:xen-libs-debuginfo, p-cpe:/a:novell:opensuse:xen-tools, p-cpe:/a:novell:opensuse:xen-tools-debuginfo, p-cpe:/a:novell:opensuse:xen-tools-domU, p-cpe:/a:novell:opensuse:xen-tools-domU-debuginfo, cpe:/o:novell:opensuse:15.1

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/14/2020

Vulnerability Publication Date: 6/15/2020

Reference Information

CVE: CVE-2020-0543