RHSA-2012:0149Medium

Red Hat Security Advisory: kvm security and bug fix update

Published
February 21, 2012
Last Modified
November 7, 2026

🔗 CVE IDs covered (1)

CVE-2011-4347 →

📋 Description

CVE-2011-4347 — kernel: kvm: device assignment DoS

🎯 Affected products16

  • Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)
  • Red Hat Enterprise Linux Virtualization (v. 5 server)
  • kmod-kvm-0:83-249.el5.x86_64 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)
  • kmod-kvm-0:83-249.el5.x86_64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)
  • kmod-kvm-debug-0:83-249.el5.x86_64 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)
  • kmod-kvm-debug-0:83-249.el5.x86_64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)
  • kvm-0:83-249.el5.src as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)
  • kvm-0:83-249.el5.src as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)
  • kvm-0:83-249.el5.x86_64 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)
  • kvm-0:83-249.el5.x86_64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)
  • kvm-debuginfo-0:83-249.el5.x86_64 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)
  • kvm-debuginfo-0:83-249.el5.x86_64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)
  • kvm-qemu-img-0:83-249.el5.x86_64 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)
  • kvm-qemu-img-0:83-249.el5.x86_64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)
  • kvm-tools-0:83-249.el5.x86_64 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)
  • kvm-tools-0:83-249.el5.x86_64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)

✅ Remediation

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 The following procedure must be performed before this update will take effect: 1) Stop all KVM guest virtual machines. 2) Either reboot the hypervisor machine or, as the root user, remove (using "modprobe -r [module]") and reload (using "modprobe [module]") all of the following modules which are currently running (determined using "lsmod"): kvm, ksm, kvm-intel or kvm-amd. 3) Restart the KVM guest virtual machines.

🔗 References (11)