openSUSE Security Update : xen (openSUSE-2018-599) (Meltdown) (Spectre)

medium Nessus Plugin ID 110438
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VPR Score: 7.9

Synopsis

The remote openSUSE host is missing a security update.

Description

This update for xen to version 4.10.1 fixes several issues (bsc#1027519).

These security issues were fixed :

- CVE-2018-3639: Prevent attackers with local user access from extracting information via a side-channel analysis, aka Speculative Store Bypass (SSB), Variant 4 (bsc#1092631).

- CVE-2017-5753,CVE-2017-5715,CVE-2017-5754: Improved Spectre v2 mitigations (bsc#1074562).

This non-security issue was fixed :

- Always call qemus xen-save-devices-state in suspend/resume to fix migration with qcow2 images (bsc#1079730)

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=1074562

https://bugzilla.opensuse.org/show_bug.cgi?id=1079730

https://bugzilla.opensuse.org/show_bug.cgi?id=1092631

Plugin Details

Severity: Medium

ID: 110438

File Name: openSUSE-2018-599.nasl

Version: 1.7

Type: local

Agent: unix

Published: 6/11/2018

Updated: 1/19/2021

Dependencies: ssh_get_info.nasl

Risk Information

Risk Factor: Medium

VPR Score: 7.9

CVSS v2.0

Base Score: 4.9

Temporal Score: 4.3

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

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

CVSS v3.0

Base Score: 5.6

Temporal Score: 5.4

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

Temporal Vector: E:H/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:15.0

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/9/2018

Exploitable With

CANVAS (CANVAS)

Reference Information

CVE: CVE-2017-5715, CVE-2017-5753, CVE-2017-5754, CVE-2018-3639

IAVA: 2018-A-0019, 2018-A-0020