SuSE 11.2 Security Update : Xen and libvirt (SAT Patch Number 6640)

medium Nessus Plugin ID 64235

Synopsis

The remote SuSE 11 host is missing one or more security updates.

Description

Xen was updated to fix several security issues :

- A xen HVM guest destroy p2m teardown host DoS vulnerability was fixed, where malicious guest could lock/crash the host. (CVE-2012-3433)

- A xen HVM guest user mode MMIO emulation DoS was fixed.
(CVE-2012-3432)

- The xen pv bootloader doesn't check the size of the bzip2 or lzma compressed kernel, leading to denial of service (crash). (CVE-2012-2625)

Also the following bug in XEN has been fixed :

- Xen HVM DomU crash during Windows Server 2008 R2 install, when maxmem > memory This update also included bugfixes for:. (bnc#746702)

- vm-install: - bnc#762963 - ReaR: Unable to recover a paravirtualized XEN guest

- virt-manager - SLE11-SP2 ONLY

- virt-manager fails to start after upgrade to SLES11 SP2 from SLES10. (bnc#764982)

Solution

Apply SAT patch number 6640.

See Also

http://support.novell.com/security/cve/CVE-2012-3432.html

http://support.novell.com/security/cve/CVE-2012-3433.html

https://bugzilla.novell.com/show_bug.cgi?id=746702

https://bugzilla.novell.com/show_bug.cgi?id=762484

https://bugzilla.novell.com/show_bug.cgi?id=762963

https://bugzilla.novell.com/show_bug.cgi?id=764982

https://bugzilla.novell.com/show_bug.cgi?id=766283

https://bugzilla.novell.com/show_bug.cgi?id=773393

https://bugzilla.novell.com/show_bug.cgi?id=773401

https://bugzilla.novell.com/show_bug.cgi?id=773955

http://support.novell.com/security/cve/CVE-2012-2625.html

Plugin Details

Severity: Medium

ID: 64235

File Name: suse_11_xen-201208-120805.nasl

Version: 1.4

Type: local

Agent: unix

Published: 1/25/2013

Updated: 1/19/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.5

CVSS v2

Risk Factor: Medium

Base Score: 4.9

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:11:libvirt, p-cpe:/a:novell:suse_linux:11:libvirt-client, p-cpe:/a:novell:suse_linux:11:libvirt-client-32bit, p-cpe:/a:novell:suse_linux:11:libvirt-doc, p-cpe:/a:novell:suse_linux:11:libvirt-python, p-cpe:/a:novell:suse_linux:11:virt-manager, p-cpe:/a:novell:suse_linux:11:vm-install, p-cpe:/a:novell:suse_linux:11:xen, p-cpe:/a:novell:suse_linux:11:xen-doc-html, p-cpe:/a:novell:suse_linux:11:xen-doc-pdf, p-cpe:/a:novell:suse_linux:11:xen-kmp-default, p-cpe:/a:novell:suse_linux:11:xen-kmp-trace, p-cpe:/a:novell:suse_linux:11:xen-libs, p-cpe:/a:novell:suse_linux:11:xen-libs-32bit, p-cpe:/a:novell:suse_linux:11:xen-tools, p-cpe:/a:novell:suse_linux:11: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

Patch Publication Date: 8/5/2012

Reference Information

CVE: CVE-2012-2625, CVE-2012-3432, CVE-2012-3433