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The remote Red Hat host is missing one or more security updates.
Updated kvm packages that fix one security issue, multiple bugs, and
add enhancements are now available for Red Hat Enterprise Linux 5.
The Red Hat Security Response Team has rated this update as having
important security impact. A Common Vulnerability Scoring System
(CVSS) base score, which gives a detailed severity rating, is
available from the CVE link in the References section.
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 :
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.
See also :
Update the affected packages.
Risk factor :
High / CVSS Base Score : 7.8
CVSS Temporal Score : 5.8
Public Exploit Available : false
Family: Red Hat Local Security Checks
Nessus Plugin ID: 63924 ()
Bugtraq ID: 64576
CVE ID: CVE-2010-0430CVE-2010-0741
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