SUSE SLES11 Security Update : xen (SUSE-SU-2015:2306-1)

high Nessus Plugin ID 87528
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 fixes the following security issues :

- bsc#956832 - CVE-2015-8345: xen: qemu: net: eepro100:
infinite loop in processing command block list

- bsc#956408 - CVE-2015-8339, CVE-2015-8340: xen:
XENMEM_exchange error handling issues (XSA-159) xsa159.patch

- bsc#956411 - CVE-2015-7504: xen: heap buffer overflow vulnerability in pcnet emulator (XSA-162)

- bsc#954405 - CVE-2015-8104: Xen: guest to host DoS by triggering an infinite loop in microcode via #DB exception

- bsc#953527 - CVE-2015-5307: kernel: kvm/xen: x86: avoid guest->host DOS by intercepting #AC (XSA-156)

- bsc#950704 - CVE-2015-7970: xen: x86: Long latency populate-on-demand operation is not preemptible (XSA-150)

- bsc#951845 - CVE-2015-7972: xen: x86: populate-on-demand balloon size inaccuracy can crash guests (XSA-153)

- bsc#950703 - CVE-2015-7969: xen: leak of main per-domain vcpu pointer array (DoS) (XSA-149)

- bsc#950705 - CVE-2015-7969: xen: x86: leak of per-domain profiling-related vcpu pointer array (DoS) (XSA-151)

- bsc#950706 - CVE-2015-7971: xen: x86: some pmu and profiling hypercalls log without rate limiting (XSA-152)

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 YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Server 11-SP2-LTSS :

zypper in -t patch slessp2-xen-20151201-12273=1

SUSE Linux Enterprise Debuginfo 11-SP2 :

zypper in -t patch dbgsp2-xen-20151201-12273=1

To bring your system up-to-date, use 'zypper patch'.

See Also

https://bugzilla.suse.com/show_bug.cgi?id=950703

https://bugzilla.suse.com/show_bug.cgi?id=950704

https://bugzilla.suse.com/show_bug.cgi?id=950705

https://bugzilla.suse.com/show_bug.cgi?id=950706

https://bugzilla.suse.com/show_bug.cgi?id=951845

https://bugzilla.suse.com/show_bug.cgi?id=953527

https://bugzilla.suse.com/show_bug.cgi?id=954405

https://bugzilla.suse.com/show_bug.cgi?id=956408

https://bugzilla.suse.com/show_bug.cgi?id=956411

https://bugzilla.suse.com/show_bug.cgi?id=956832

https://www.suse.com/security/cve/CVE-2015-5307/

https://www.suse.com/security/cve/CVE-2015-7504/

https://www.suse.com/security/cve/CVE-2015-7969/

https://www.suse.com/security/cve/CVE-2015-7970/

https://www.suse.com/security/cve/CVE-2015-7971/

https://www.suse.com/security/cve/CVE-2015-7972/

https://www.suse.com/security/cve/CVE-2015-8104/

https://www.suse.com/security/cve/CVE-2015-8339/

https://www.suse.com/security/cve/CVE-2015-8340/

https://www.suse.com/security/cve/CVE-2015-8345/

http://www.nessus.org/u?c496f6f3

Plugin Details

Severity: High

ID: 87528

File Name: suse_SU-2015-2306-1.nasl

Version: 2.9

Type: local

Agent: unix

Published: 12/21/2015

Updated: 1/19/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Critical

Score: 9.2

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

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

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:xen, p-cpe:/a:novell:suse_linux:xen-devel, p-cpe:/a:novell:suse_linux:xen-doc-html, p-cpe:/a:novell:suse_linux:xen-doc-pdf, 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-kmp-trace, 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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/18/2015

Vulnerability Publication Date: 10/30/2015

Reference Information

CVE: CVE-2015-5307, CVE-2015-7504, CVE-2015-7969, CVE-2015-7970, CVE-2015-7971, CVE-2015-7972, CVE-2015-8104, CVE-2015-8339, CVE-2015-8340, CVE-2015-8345