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openSUSE Security Update : xen (openSUSE-2018-803)

critical Nessus Plugin ID 111565

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Synopsis

The remote openSUSE host is missing a security update.

Description

This update for xen fixes the following issues :

Security issues fixed :

 - CVE-2018-3665: Fix Lazy FP Save/Restore issue (XSA-267) (bsc#1095242).

 - CVE-2018-12891: Fix possible Denial of Service (DoS) via certain PV MMU operations that affect the entire host (XSA-264) (bsc#1097521).

 - CVE-2018-12892: Fix libxl to honour the readonly flag on HVM emulated SCSI disks (XSA-266) (bsc#1097523).

 - CVE-2018-12893: Fix crash/Denial of Service (DoS) via safety check (XSA-265) (bsc#1097522).

 - CVE-2018-11806: Fix heap buffer overflow while reassembling fragmented datagrams (bsc#1096224).

Bug fixes :

 - bsc#1027519: Add upstream patches from January.

 - bsc#1087289: Fix xen scheduler crash.

This update was imported from the SUSE:SLE-12-SP3: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=1087289

https://bugzilla.opensuse.org/show_bug.cgi?id=1097522

https://bugzilla.opensuse.org/show_bug.cgi?id=1095242

https://bugzilla.opensuse.org/show_bug.cgi?id=1096224

https://bugzilla.opensuse.org/show_bug.cgi?id=1097523

https://bugzilla.opensuse.org/show_bug.cgi?id=1097521

Plugin Details

Severity: Critical

ID: 111565

File Name: openSUSE-2018-803.nasl

Version: 1.8

Type: local

Agent: unix

Published: 8/7/2018

Updated: 6/3/2021

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

Risk Information

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: High

Base Score: 7.2

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

CVSS v3

Risk Factor: Critical

Base Score: 9.9

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

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-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:42.3

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

Patch Publication Date: 8/6/2018

Reference Information

CVE: CVE-2018-11806, CVE-2018-12891, CVE-2018-12892, CVE-2018-12893, CVE-2018-3665

IAVB: 2018-B-0094-S