SUSE SLES12 Security Update : xen (SUSE-SU-2018:2056-1)

high Nessus Plugin ID 111346
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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-2018-12617: Fix integer overflow that causes segmentation fault in qmp_guest_file_read() with g_malloc() (bsc#1098744).

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

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

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

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

- bsc#1079730: Fix failed 'write' lock.

- bsc#1027519: Add upstream patches from January.

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 Linux Enterprise Server 12-LTSS:zypper in -t patch SUSE-SLE-SERVER-12-2018-1389=1

See Also

https://bugzilla.suse.com/show_bug.cgi?id=1027519

https://bugzilla.suse.com/show_bug.cgi?id=1079730

https://bugzilla.suse.com/show_bug.cgi?id=1095242

https://bugzilla.suse.com/show_bug.cgi?id=1096224

https://bugzilla.suse.com/show_bug.cgi?id=1097521

https://bugzilla.suse.com/show_bug.cgi?id=1097522

https://bugzilla.suse.com/show_bug.cgi?id=1098744

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

https://www.suse.com/security/cve/CVE-2018-12617/

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

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

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

http://www.nessus.org/u?099ebe2a

Plugin Details

Severity: High

ID: 111346

File Name: suse_SU-2018-2056-1.nasl

Version: 1.8

Type: local

Agent: unix

Published: 7/26/2018

Updated: 6/3/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

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

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.4

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

Temporal Vector: E:P/RL:O/RC: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-kmp-default, p-cpe:/a:novell:suse_linux:xen-kmp-default-debuginfo, 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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/25/2018

Vulnerability Publication Date: 6/13/2018

Reference Information

CVE: CVE-2018-11806, CVE-2018-12617, CVE-2018-12891, CVE-2018-12893, CVE-2018-3665

IAVB: 2018-B-0094-S