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Test ID:1.3.6.1.4.1.25623.1.0.67164
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2010:0271
Summary:NOSUMMARY
Description:Description:
The remote host is missing updates announced in
advisory RHSA-2010:0271.

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.

A flaw was found in the way QEMU-KVM handled erroneous data provided by
the Linux virtio-net driver, used by guest operating systems. Due to a
deficiency in the TSO (TCP segment offloading) implementation, a guest's
virtio-net driver would transmit improper data to a certain QEMU-KVM
process on the host, causing the guest to crash. A remote attacker could
use this flaw to send specially-crafted data to a target guest system,
causing that guest to crash. (CVE-2010-0741)

Additionally, these updated packages include numerous bug fixes and
enhancements. Refer to the KVM chapter of the Red Hat Enterprise Linux 5.5
Technical Notes for details:

http://www.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5.5/html/Technical_Notes/kvm.html

All KVM users should upgrade to these updated packages, which resolve this
issue as well as fixing the bugs and adding the enhancements noted in the
Technical Notes. Note: The procedure in the Solution section must be
performed before this update will take effect.

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

http://rhn.redhat.com/errata/RHSA-2010-0271.html
http://www.redhat.com/security/updates/classification/#important

Risk factor : High

CVSS Score:
7.8

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2010-0741
http://openwall.com/lists/oss-security/2010/03/29/4
http://lists.gnu.org/archive/html/qemu-devel/2009-10/msg02480.html
http://lists.gnu.org/archive/html/qemu-devel/2009-10/msg02495.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11143
http://www.redhat.com/support/errata/RHSA-2010-0271.html
RedHat Security Advisories: RHSA-2010:0476
https://rhn.redhat.com/errata/RHSA-2010-0476.html
http://securitytracker.com/id?1023798
http://www.vupen.com/english/advisories/2010/0760
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