SUSE SLES12 Security Update : xen (SUSE-SU-2018:2081-1)

High Nessus Plugin ID 111433

Synopsis

The remote SUSE host is missing one or more security updates.

Description

This update for xen fixes the following issues: Security issues fixed :

- CVE-2018-12891: Fix preemption checks bypass in x86 PV MM handling (XSA-264) (bsc#1097521).

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

- CVE-2018-12893: Fix #DB exception safety check that could be triggered by a guest (XSA-265) (bsc#1097522).

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

- CVE-2018-3665: Fix lazy FP Save/Restore (XSA-267) (bsc#1095242). Bug fixes :

- bsc#1027519: Update to Xen 4.7.6 bug fix only release.

- bsc#1087289: Xen BUG at sched_credit.c:1663.

- bsc#1094725: `virsh blockresize` does not work with Xen qdisks.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE OpenStack Cloud 7:zypper in -t patch SUSE-OpenStack-Cloud-7-2018-1414=1

SUSE Linux Enterprise Server for SAP 12-SP2:zypper in -t patch SUSE-SLE-SAP-12-SP2-2018-1414=1

SUSE Linux Enterprise Server 12-SP2-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-SP2-2018-1414=1

SUSE Enterprise Storage 4:zypper in -t patch SUSE-Storage-4-2018-1414=1

See Also

https://bugzilla.suse.com/1027519

https://bugzilla.suse.com/1087289

https://bugzilla.suse.com/1094725

https://bugzilla.suse.com/1095242

https://bugzilla.suse.com/1096224

https://bugzilla.suse.com/1097521

https://bugzilla.suse.com/1097522

https://bugzilla.suse.com/1097523

https://www.suse.com/security/cve/CVE-2018-11806.html

https://www.suse.com/security/cve/CVE-2018-12891.html

https://www.suse.com/security/cve/CVE-2018-12892.html

https://www.suse.com/security/cve/CVE-2018-12893.html

https://www.suse.com/security/cve/CVE-2018-3665.html

http://www.nessus.org/u?f795e5dc

Plugin Details

Severity: High

ID: 111433

File Name: suse_SU-2018-2081-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2018/07/30

Modified: 2018/08/14

Dependencies: 12634

Risk Information

Risk Factor: High

CVSSv2

Base Score: 7.2

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:xen, p-cpe:/a:novell:suse_linux:xen-debugsource, p-cpe:/a:novell:suse_linux:xen-doc-html, p-cpe:/a:novell:suse_linux:xen-libs, p-cpe:/a:novell:suse_linux:xen-libs-debuginfo, p-cpe:/a:novell:suse_linux:xen-tools, p-cpe:/a:novell:suse_linux:xen-tools-debuginfo, p-cpe:/a:novell:suse_linux:xen-tools-domU, p-cpe:/a:novell:suse_linux:xen-tools-domU-debuginfo, cpe:/o:novell:suse_linux:12

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

Patch Publication Date: 2018/07/27

Reference Information

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