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RHSA-2011:0534-01 -- Redhat qemu-kvm

ID: oval:org.secpod.oval:def:500165Date: (C)2012-01-31   (M)2023-02-20
Class: PATCHFamily: unix




KVM 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. 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. Red Hat would like to thank Nelson Elhage for reporting CVE-2011-1751. This update also fixes several bugs and adds various enhancements. Documentation for these bug fixes and enhancements will be available shortly from the Technical Notes document, linked to in the References section. 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 noted in the Technical Notes. 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. 4. Solution: Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259 5. Bugs fixed :

Platform:
Red Hat Enterprise Linux 6
Product:
qemu-kvm
Reference:
RHSA-2011:0534-01
CVE-2011-1750
CVE-2011-1751
CVE    2
CVE-2011-1751
CVE-2011-1750
CPE    2
cpe:/a:kvm_group:qemu-kvm
cpe:/o:redhat:enterprise_linux:6

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