RHSA-2012:0051High

Red Hat Security Advisory: kvm security update

Published
January 23, 2012
Last Modified
November 7, 2026

🔗 CVE IDs covered (2)

CVE-2011-4622 →CVE-2012-0029 →

📋 Description

CVE-2011-4622 — kernel: kvm: pit timer with no irqchip crashes the system CVE-2012-0029 — qemu: e1000: process_tx_desc legacy mode packets heap overflow

🎯 Affected products16

  • RHEL Desktop Multi OS (v. 5 client)
  • RHEL Virtualization (v. 5 server)
  • kmod-kvm-0:83-239.el5_7.1.x86_64 as a component of RHEL Desktop Multi OS (v. 5 client)
  • kmod-kvm-0:83-239.el5_7.1.x86_64 as a component of RHEL Virtualization (v. 5 server)
  • kmod-kvm-debug-0:83-239.el5_7.1.x86_64 as a component of RHEL Desktop Multi OS (v. 5 client)
  • kmod-kvm-debug-0:83-239.el5_7.1.x86_64 as a component of RHEL Virtualization (v. 5 server)
  • kvm-0:83-239.el5_7.1.src as a component of RHEL Desktop Multi OS (v. 5 client)
  • kvm-0:83-239.el5_7.1.src as a component of RHEL Virtualization (v. 5 server)
  • kvm-0:83-239.el5_7.1.x86_64 as a component of RHEL Desktop Multi OS (v. 5 client)
  • kvm-0:83-239.el5_7.1.x86_64 as a component of RHEL Virtualization (v. 5 server)
  • kvm-debuginfo-0:83-239.el5_7.1.x86_64 as a component of RHEL Desktop Multi OS (v. 5 client)
  • kvm-debuginfo-0:83-239.el5_7.1.x86_64 as a component of RHEL Virtualization (v. 5 server)
  • kvm-qemu-img-0:83-239.el5_7.1.x86_64 as a component of RHEL Desktop Multi OS (v. 5 client)
  • kvm-qemu-img-0:83-239.el5_7.1.x86_64 as a component of RHEL Virtualization (v. 5 server)
  • kvm-tools-0:83-239.el5_7.1.x86_64 as a component of RHEL Desktop Multi OS (v. 5 client)
  • kvm-tools-0:83-239.el5_7.1.x86_64 as a component of RHEL 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 (5)