openSUSE Security Update : xen (openSUSE-2020-965)

medium Nessus Plugin ID 138741
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VPR Score: 8.1

Synopsis

The remote openSUSE host is missing a security update.

Description

This update for xen fixes the following issues :

- CVE-2020-15563: Fixed inverted code paths in x86 dirty VRAM tracking (bsc#1173377).

- CVE-2020-15565: Fixed insufficient cache write-back under VT-d (bsc#1173378).

- CVE-2020-15566: Fixed incorrect error handling in event channel port allocation (bsc#1173376).

- CVE-2020-15567: Fixed non-atomic modification of live EPT PTE (bsc#1173380).

- CVE-2020-0543: Special Register Buffer Data Sampling (SRBDS) aka 'CrossTalk' (bsc#1172205).

Additional upstream bug fixes (bsc#1027519)

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=1172205

https://bugzilla.opensuse.org/show_bug.cgi?id=1173376

https://bugzilla.opensuse.org/show_bug.cgi?id=1173377

https://bugzilla.opensuse.org/show_bug.cgi?id=1173378

https://bugzilla.opensuse.org/show_bug.cgi?id=1173380

Plugin Details

Severity: Medium

ID: 138741

File Name: openSUSE-2020-965.nasl

Version: 1.4

Type: local

Agent: unix

Published: 7/20/2020

Updated: 9/25/2020

Dependencies: ssh_get_info.nasl

Risk Information

Risk Factor: Medium

VPR Score: 8.1

CVSS v2.0

Base Score: 6.1

Temporal Score: 4.5

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

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

CVSS v3.0

Base Score: 8.8

Temporal Score: 7.7

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

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: 7/15/2020

Vulnerability Publication Date: 6/15/2020

Reference Information

CVE: CVE-2020-0543, CVE-2020-15563, CVE-2020-15565, CVE-2020-15566, CVE-2020-15567

IAVB: 2020-B-0034-S