RedHat Security Advisory RHSA-2009:1659

2009-12-14T00:00:00
ID OPENVAS:136141256231066476
Type openvas
Reporter Copyright (c) 2009 E-Soft Inc. http://www.securityspace.com
Modified 2018-04-06T00:00:00

Description

The remote host is missing updates announced in advisory RHSA-2009:1659.

KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on AMD64 and Intel 64 systems. KVM is a Linux kernel module built for the standard Red Hat Enterprise Linux kernel.

On x86 platforms, the do_insn_fetch() function did not limit the amount of instruction bytes fetched per instruction. Users in guest operating systems could leverage this flaw to cause large latencies on SMP hosts that could lead to a local denial of service on the host operating system. This update fixes this issue by imposing the architecturally-defined 15 byte length limit for instructions. (CVE-2009-4031)

All KVM users should upgrade to these updated packages, which contain backported patches to resolve these issues. Note: The procedure in the

                                        
                                            # OpenVAS Vulnerability Test
# $Id: RHSA_2009_1659.nasl 9350 2018-04-06 07:03:33Z cfischer $
# Description: Auto-generated from advisory RHSA-2009:1659 ()
#
# Authors:
# Thomas Reinke <reinke@securityspace.com>
#
# Copyright:
# Copyright (c) 2009 E-Soft Inc. http://www.securityspace.com
# Text descriptions are largely excerpted from the referenced
# advisory, and are Copyright (c) the respective author(s)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2,
# or at your option, GNU General Public License version 3,
# as published by the Free Software Foundation
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#

include("revisions-lib.inc");
tag_summary = "The remote host is missing updates announced in
advisory RHSA-2009:1659.

KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. KVM is a Linux kernel module built for
the standard Red Hat Enterprise Linux kernel.

On x86 platforms, the do_insn_fetch() function did not limit the amount of
instruction bytes fetched per instruction. Users in guest operating systems
could leverage this flaw to cause large latencies on SMP hosts that could
lead to a local denial of service on the host operating system. This
update fixes this issue by imposing the architecturally-defined 15 byte
length limit for instructions. (CVE-2009-4031)

All KVM users should upgrade to these updated packages, which contain
backported patches to resolve these issues. Note: The procedure in the";

tag_solution = "Please note that this update is available via
Red Hat Network.  To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date";



if(description)
{
 script_oid("1.3.6.1.4.1.25623.1.0.66476");
 script_version("$Revision: 9350 $");
 script_tag(name:"last_modification", value:"$Date: 2018-04-06 09:03:33 +0200 (Fri, 06 Apr 2018) $");
 script_tag(name:"creation_date", value:"2009-12-14 23:06:43 +0100 (Mon, 14 Dec 2009)");
 script_cve_id("CVE-2009-4031");
 script_tag(name:"cvss_base", value:"7.8");
 script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:C");
 script_name("RedHat Security Advisory RHSA-2009:1659");



 script_category(ACT_GATHER_INFO);

 script_copyright("Copyright (c) 2009 E-Soft Inc. http://www.securityspace.com");
 script_family("Red Hat Local Security Checks");
 script_dependencies("gather-package-list.nasl");
 script_mandatory_keys("ssh/login/rhel", "ssh/login/rpms");
 script_tag(name : "solution" , value : tag_solution);
 script_tag(name : "summary" , value : tag_summary);
 script_tag(name:"qod_type", value:"package");
 script_tag(name:"solution_type", value:"VendorFix");
 script_xref(name : "URL" , value : "http://rhn.redhat.com/errata/RHSA-2009-1659.html");
 script_xref(name : "URL" , value : "http://www.redhat.com/security/updates/classification/#moderate");
 exit(0);
}

#
# The script code starts here
#

include("pkg-lib-rpm.inc");

res = "";
report = "";
if ((res = isrpmvuln(pkg:"kmod-kvm", rpm:"kmod-kvm~83~105.el5_4.13", rls:"RHENT_5")) != NULL) {
    report += res;
}
if ((res = isrpmvuln(pkg:"kvm", rpm:"kvm~83~105.el5_4.13", rls:"RHENT_5")) != NULL) {
    report += res;
}
if ((res = isrpmvuln(pkg:"kvm-debuginfo", rpm:"kvm-debuginfo~83~105.el5_4.13", rls:"RHENT_5")) != NULL) {
    report += res;
}
if ((res = isrpmvuln(pkg:"kvm-qemu-img", rpm:"kvm-qemu-img~83~105.el5_4.13", rls:"RHENT_5")) != NULL) {
    report += res;
}
if ((res = isrpmvuln(pkg:"kvm-tools", rpm:"kvm-tools~83~105.el5_4.13", rls:"RHENT_5")) != NULL) {
    report += res;
}

if (report != "") {
    security_message(data:report);
} else if (__pkg_match) {
    exit(99); # Not vulnerable.
}