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Scientific Linux Security Update : qemu-kvm on SL6.x x86_64
high Nessus Plugin ID 61047
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Synopsis
The remote Scientific Linux host is missing one or more security updates.Description
KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on AMD64 and Intel 64 systems. qemu-kvm is the user-space component for running virtual machines using KVM.It was found that the virtio-blk driver in qemu-kvm did not properly validate read and write requests from guests. A privileged guest user could use this flaw to crash the guest or, possibly, execute arbitrary code on the host. (CVE-2011-1750)
It was found that the PIIX4 Power Management emulation layer in qemu-kvm did not properly check for hot plug eligibility during device removals. A privileged guest user could use this flaw to crash the guest or, possibly, execute arbitrary code on the host.
(CVE-2011-1751)
This update also fixes several bugs and adds various enhancements.
All users of qemu-kvm should upgrade to these updated packages, which contain backported patches to resolve these issues, and fix the bugs and add the enhancements.
After installing this update, shut down all running virtual machines.
Once all virtual machines have shut down, start them again for this update to take effect.
Solution
Update the affected qemu-img, qemu-kvm and / or qemu-kvm-tools packages.See Also
Plugin Details
Severity: High
ID: 61047
File Name: sl_20110519_qemu_kvm_on_SL6_x.nasl
Version: 1.5
Type: local
Agent: unix
Published: 8/1/2012
Updated: 1/14/2021
Supported Sensors: Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.0
CVSS v2
Risk Factor: High
Base Score: 7.4
Vector: CVSS2#AV:A/AC:M/Au:S/C:C/I:C/A:C
Vulnerability Information
CPE: x-cpe:/o:fermilab:scientific_linux
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Patch Publication Date: 5/19/2011
Reference Information
CVE: CVE-2011-1750, CVE-2011-1751