openSUSE Security Update : xen (openSUSE-2020-985)

high Nessus Plugin ID 138749

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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-SP2:Update update project.

Solution

Update the affected xen packages.

Plugin Details

Severity: High

ID: 138749

File Name: openSUSE-2020-985.nasl

Version: 1.5

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 7/20/2020

Updated: 2/29/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

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

CVSS Score Source: CVE-2020-15565

CVSS v3

Risk Factor: High

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: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:xen-debugsource, p-cpe:/a:novell:opensuse:xen-libs-32bit, p-cpe:/a:novell:opensuse:xen-devel, p-cpe:/a:novell:opensuse:xen-doc-html, p-cpe:/a:novell:opensuse:xen-libs-debuginfo, p-cpe:/a:novell:opensuse:xen-tools-domu-debuginfo, p-cpe:/a:novell:opensuse:xen, p-cpe:/a:novell:opensuse:xen-libs, p-cpe:/a:novell:opensuse:xen-tools-xendomains-wait-disk, cpe:/o:novell:opensuse:15.2, p-cpe:/a:novell:opensuse:xen-tools, p-cpe:/a:novell:opensuse:xen-libs-32bit-debuginfo, p-cpe:/a:novell:opensuse:xen-tools-debuginfo, p-cpe:/a:novell:opensuse:xen-tools-domu

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: 7/17/2020

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

Detections

Analytics