SUSE SLES11 Security Update : xen (SUSE-SU-2019:13921-1)

High Nessus Plugin ID 121004

Synopsis

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

Description

This update for xen fixes the following issues :

Security vulnerabilities fixed :

CVE-2018-19961, CVE-2018-19962: Fixed an issue related to insufficient TLB flushing with AMD IOMMUs, which potentially allowed a guest to escalate its privileges, may cause a Denial of Service (DoS) affecting the entire host, or may be able to access data it is not supposed to access. (XSA-275) (bsc#1115040)

CVE-2018-19965: Fixed an issue related to the INVPCID instruction in case non-canonical addresses are accessed, which may allow a guest to cause Xen to crash, resulting in a Denial of Service (DoS) affecting the entire host. (XSA-279) (bsc#1115045)

CVE-2018-19966: Fixed an issue related to a previous fix for XSA-240, which conflicted with shadow paging and allowed a guest to cause Xen to crash, resulting in a Denial of Service (DoS) (XSA-280) (bsc#1115047)

CVE-2018-19967: Fixed HLE constructs that allowed guests to lock up the host, resulting in a Denial of Service (DoS). (XSA-282) (bsc#1114988)

CVE-2018-19665: Fixed an integer overflow resulting in memory corruption in various Bluetooth functions, allowing this to crash qemu process resulting in Denial of Service (DoS). (bsc#1117756).

CVE-2018-18849: Fixed an out of bounds memory access in the LSI53C895A SCSI host bus adapter emulation, which allowed a user and/or process to crash the qemu process resulting in a Denial of Service (DoS).
(bsc#1114423)

Fixed an integer overflow in ccid_card_vscard_read(), which allowed for memory corruption. (bsc#1112188)

CVE-2017-13672: Fixed an out of bounds read access during display update (bsc#1056336)

CVE-2018-17958: Fixed an integer overflow leading to a buffer overflow in the rtl8139 component (bsc#1111007)

CVE-2018-17962: Fixed an integer overflow leading to a buffer overflow in the pcnet component (bsc#1111011)

CVE-2018-17963: Fixed an integer overflow in relation to large packet sizes, leading to a denial of service (DoS). (bsc#1111014)

CVE-2018-10839: Fixed an integer overflow leading to a buffer overflow in the ne2000 component (bsc#1110924)

Other bugs fixed: Fixed an issue related to a domU hang on SLE12-SP3 HV (bsc#1108940)

Upstream bug fixes (bsc#1027519)

Fixed crashing VMs when migrating between dom0 hosts (bsc#1031382)

Fixed an issue with xpti=no-dom0 not working as expected (bsc#1105528)

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 Software Development Kit 11-SP4:zypper in -t patch sdksp4-xen-13921=1

SUSE Linux Enterprise Server 11-SP4:zypper in -t patch slessp4-xen-13921=1

SUSE Linux Enterprise Debuginfo 11-SP4:zypper in -t patch dbgsp4-xen-13921=1

See Also

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

https://bugzilla.suse.com/show_bug.cgi?id=1031382

https://bugzilla.suse.com/show_bug.cgi?id=1056336

https://bugzilla.suse.com/show_bug.cgi?id=1105528

https://bugzilla.suse.com/show_bug.cgi?id=1108940

https://bugzilla.suse.com/show_bug.cgi?id=1110924

https://bugzilla.suse.com/show_bug.cgi?id=1111007

https://bugzilla.suse.com/show_bug.cgi?id=1111011

https://bugzilla.suse.com/show_bug.cgi?id=1111014

https://bugzilla.suse.com/show_bug.cgi?id=1112188

https://bugzilla.suse.com/show_bug.cgi?id=1114423

https://bugzilla.suse.com/show_bug.cgi?id=1114988

https://bugzilla.suse.com/show_bug.cgi?id=1115040

https://bugzilla.suse.com/show_bug.cgi?id=1115045

https://bugzilla.suse.com/show_bug.cgi?id=1115047

https://bugzilla.suse.com/show_bug.cgi?id=1117756

https://www.suse.com/security/cve/CVE-2017-13672/

https://www.suse.com/security/cve/CVE-2018-10839/

https://www.suse.com/security/cve/CVE-2018-17958/

https://www.suse.com/security/cve/CVE-2018-17962/

https://www.suse.com/security/cve/CVE-2018-17963/

https://www.suse.com/security/cve/CVE-2018-18438/

https://www.suse.com/security/cve/CVE-2018-18849/

https://www.suse.com/security/cve/CVE-2018-19665/

https://www.suse.com/security/cve/CVE-2018-19961/

https://www.suse.com/security/cve/CVE-2018-19962/

https://www.suse.com/security/cve/CVE-2018-19965/

https://www.suse.com/security/cve/CVE-2018-19966/

https://www.suse.com/security/cve/CVE-2018-19967/

http://www.nessus.org/u?5a7a12fa

Plugin Details

Severity: High

ID: 121004

File Name: suse_SU-2019-13921-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2019/01/08

Modified: 2019/01/08

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.5

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

CVSS v3.0

Base Score: 9.8

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:xen, 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-pae, p-cpe:/a:novell:suse_linux:xen-libs, p-cpe:/a:novell:suse_linux:xen-tools, p-cpe:/a:novell:suse_linux:xen-tools-domU, cpe:/o:novell:suse_linux:11

Patch Publication Date: 2019/01/02

Reference Information

CVE: CVE-2017-13672, CVE-2018-10839, CVE-2018-17958, CVE-2018-17962, CVE-2018-17963, CVE-2018-18438, CVE-2018-18849, CVE-2018-19665, CVE-2018-19961, CVE-2018-19962, CVE-2018-19965, CVE-2018-19966, CVE-2018-19967