RHBA-2016:0815 - Bug Fix Advisory

Topic

An update for qemu-kvm is now available for Red Hat Enterprise Linux 6.8.

Description

KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on AMD64 and Intel 64 systems. The qemu-kvm packages provide the user-space component for running virtual machines using KVM.

For detailed information on changes in this release, see the Red Hat Enterprise Linux 6.8 Release Notes and Red Hat Enterprise Linux 6.8 Technical Notes linked from the References section.

Users of qemu-kvm are advised to upgrade to these updated packages.

Solution

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux for Power, big endian 6 ppc64
• Red Hat Enterprise Linux for Scientific Computing 6 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 i386

Fixes

• BZ - 971312 - block: Mirroring to raw block device doesn't zero out unused blocks
• BZ - 1174181 - RFE: provide QEMU guest agent command for setting root account password (Linux guest)
• BZ - 1210246 - [virtagent]The 'write' content is lost if 'read' it before flush through guest agent
• BZ - 1213233 - [virtagent] The default path '/etc/qemu/fsfreeze-hook' for 'fsfreeze-hook' script doesn't exist
• BZ - 1213236 - [virtagent] 'guest-fstrim' failed for guest with os on spapr-vscsi disk
• BZ - 1219561 - Latent buffer overrun in guest agent
• BZ - 1219908 - Writing snapshots with "virsh snapshot-create-as" command slows as more snapshots are created
• BZ - 1223216 - qemu-img can not create qcow2 image when backend is block device
• BZ - 1230068 - Segmentation fault when re-adding virtio-rng-pci device
• BZ - 1249740 - Segfault occurred at Dst VM while completed migration upon ENOSPC
• BZ - 1250442 - qemu-doc.html bad markup in section 3.3 Invocation
• BZ - 1252134 - BSOD: Failed to create Win10 Enterprise VM
• BZ - 1262866 - [RHEL6] Package is 100% lost when ping from host to Win2012r2 guest with 64000 size
• BZ - 1265428 - contents of MSR_TSC_AUX are not migrated
• BZ - 1268347 - posix_fallocate emulation on NFS fails with Bad file descriptor if fd is opened O_WRONLY
• BZ - 1290743 - qemu-kvm core dumped when repeat system_reset 20 times during guest boot
• BZ - 1294619 - Guest should failed to boot if set iops,bps to negative number
• BZ - 1297424 - Add warning about running qemu-img on active VMs to its manpage

CVEs

(none)

References

• http://www.redhat.com/security/updates/classification/#normal