SuSE 10 Security Update : xen (ZYPP Patch Number 4766)

medium Nessus Plugin ID 29791

Synopsis

The remote SuSE 10 host is missing a security-related patch.

Description

This update fixes various Xen issues.

Two security problems were fixed: CVE-2007-5906: Xen allowed virtual guest system users to cause a denial of service (hypervisor crash) by using a debug register (DR7) to set certain breakpoints.

- Xen 3.1.1 does not prevent modification of the CR4 TSC from applications, which allows pv guests to cause a denial of service (crash). (CVE-2007-5907)

Also the following bugs were fixed: 279062: Timer ISR/1: Time went backwards 340379: Xen-3.04_13138-0.52 not working with FV File-Backed VMs

Solution

Apply ZYPP patch number 4766.

See Also

http://support.novell.com/security/cve/CVE-2007-5906.html

http://support.novell.com/security/cve/CVE-2007-5907.html

Plugin Details

Severity: Medium

ID: 29791

File Name: suse_xen-4766.nasl

Version: 1.17

Type: local

Agent: unix

Published: 12/24/2007

Updated: 1/14/2021

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.7

CVSS v2

Risk Factor: Medium

Base Score: 4.7

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

Vulnerability Information

CPE: cpe:/o:suse:suse_linux

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

Patch Publication Date: 11/28/2007

Reference Information

CVE: CVE-2007-5906, CVE-2007-5907

CWE: 264