Synopsis

qemu-kvm bug fix and enhancement update

Type/Severity

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 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

Red Hat Enterprise Linux Server 6

SRPM
qemu-kvm-0.12.1.2-2.491.el6.src.rpm	SHA-256: c7928d7122aea7652e636555f4cbf917e40cfaa5aadf83593a4e1cf8cc98dfe5
x86_64
qemu-guest-agent-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: ce1a54151c9f97ba2162aebba0746adefc667e54865b631b0097575cefac232c
qemu-img-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: 7e7204015431606b6a8f1ff30cccb04ef5b174fc6ba24d1eefc03deec2b55ce5
qemu-kvm-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: fdadd586c064ed23b04e8f0105f232c722c9145c8f023de8b3ec893dcd0b2c5d
qemu-kvm-debuginfo-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: 634484c2a604445a1de4620a2d03e3db2ffec447ef21a1f01c996a7abcbea60e
qemu-kvm-tools-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: f2ff8590caaa34d3735e5b1fa4a94bd1bfcbab4013ea84fd32aa609f4b8cf818
i386
qemu-guest-agent-0.12.1.2-2.491.el6.i686.rpm	SHA-256: 69b7adc7168f270744de210f9e22a7c396f05bc6d9d2258112cc03935cc84c07
qemu-kvm-debuginfo-0.12.1.2-2.491.el6.i686.rpm	SHA-256: e64ea82262e24f60fb68019ff4d3f82a771222f7b9bb0fd54c524b4585b83f0b

Red Hat Enterprise Linux Workstation 6

SRPM
qemu-kvm-0.12.1.2-2.491.el6.src.rpm	SHA-256: c7928d7122aea7652e636555f4cbf917e40cfaa5aadf83593a4e1cf8cc98dfe5
x86_64
qemu-guest-agent-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: ce1a54151c9f97ba2162aebba0746adefc667e54865b631b0097575cefac232c
qemu-img-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: 7e7204015431606b6a8f1ff30cccb04ef5b174fc6ba24d1eefc03deec2b55ce5
qemu-kvm-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: fdadd586c064ed23b04e8f0105f232c722c9145c8f023de8b3ec893dcd0b2c5d
qemu-kvm-debuginfo-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: 634484c2a604445a1de4620a2d03e3db2ffec447ef21a1f01c996a7abcbea60e
qemu-kvm-tools-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: f2ff8590caaa34d3735e5b1fa4a94bd1bfcbab4013ea84fd32aa609f4b8cf818
i386
qemu-guest-agent-0.12.1.2-2.491.el6.i686.rpm	SHA-256: 69b7adc7168f270744de210f9e22a7c396f05bc6d9d2258112cc03935cc84c07
qemu-kvm-debuginfo-0.12.1.2-2.491.el6.i686.rpm	SHA-256: e64ea82262e24f60fb68019ff4d3f82a771222f7b9bb0fd54c524b4585b83f0b

Red Hat Enterprise Linux Desktop 6

SRPM
qemu-kvm-0.12.1.2-2.491.el6.src.rpm	SHA-256: c7928d7122aea7652e636555f4cbf917e40cfaa5aadf83593a4e1cf8cc98dfe5
x86_64
qemu-guest-agent-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: ce1a54151c9f97ba2162aebba0746adefc667e54865b631b0097575cefac232c
qemu-img-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: 7e7204015431606b6a8f1ff30cccb04ef5b174fc6ba24d1eefc03deec2b55ce5
qemu-kvm-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: fdadd586c064ed23b04e8f0105f232c722c9145c8f023de8b3ec893dcd0b2c5d
qemu-kvm-debuginfo-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: 634484c2a604445a1de4620a2d03e3db2ffec447ef21a1f01c996a7abcbea60e
qemu-kvm-tools-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: f2ff8590caaa34d3735e5b1fa4a94bd1bfcbab4013ea84fd32aa609f4b8cf818
i386
qemu-guest-agent-0.12.1.2-2.491.el6.i686.rpm	SHA-256: 69b7adc7168f270744de210f9e22a7c396f05bc6d9d2258112cc03935cc84c07
qemu-kvm-debuginfo-0.12.1.2-2.491.el6.i686.rpm	SHA-256: e64ea82262e24f60fb68019ff4d3f82a771222f7b9bb0fd54c524b4585b83f0b

Red Hat Enterprise Linux for Power, big endian 6

SRPM
qemu-kvm-0.12.1.2-2.491.el6.src.rpm	SHA-256: c7928d7122aea7652e636555f4cbf917e40cfaa5aadf83593a4e1cf8cc98dfe5
ppc64
qemu-guest-agent-0.12.1.2-2.491.el6.ppc64.rpm	SHA-256: 76baa5a059d28fe11f14a611b4e273701a78605731a34752a721e96d8b1bb17f
qemu-kvm-debuginfo-0.12.1.2-2.491.el6.ppc64.rpm	SHA-256: 80a8543b553f1b7056213c60e9d1e9471e24e4b7a6192a30726ae285efd25d7b

Red Hat Enterprise Linux for Scientific Computing 6

SRPM
qemu-kvm-0.12.1.2-2.491.el6.src.rpm	SHA-256: c7928d7122aea7652e636555f4cbf917e40cfaa5aadf83593a4e1cf8cc98dfe5
x86_64
qemu-guest-agent-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: ce1a54151c9f97ba2162aebba0746adefc667e54865b631b0097575cefac232c
qemu-img-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: 7e7204015431606b6a8f1ff30cccb04ef5b174fc6ba24d1eefc03deec2b55ce5
qemu-kvm-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: fdadd586c064ed23b04e8f0105f232c722c9145c8f023de8b3ec893dcd0b2c5d
qemu-kvm-debuginfo-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: 634484c2a604445a1de4620a2d03e3db2ffec447ef21a1f01c996a7abcbea60e
qemu-kvm-tools-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: f2ff8590caaa34d3735e5b1fa4a94bd1bfcbab4013ea84fd32aa609f4b8cf818

Red Hat Enterprise Linux Server from RHUI 6

SRPM
qemu-kvm-0.12.1.2-2.491.el6.src.rpm	SHA-256: c7928d7122aea7652e636555f4cbf917e40cfaa5aadf83593a4e1cf8cc98dfe5
x86_64
qemu-guest-agent-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: ce1a54151c9f97ba2162aebba0746adefc667e54865b631b0097575cefac232c
qemu-img-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: 7e7204015431606b6a8f1ff30cccb04ef5b174fc6ba24d1eefc03deec2b55ce5
qemu-kvm-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: fdadd586c064ed23b04e8f0105f232c722c9145c8f023de8b3ec893dcd0b2c5d
qemu-kvm-debuginfo-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: 634484c2a604445a1de4620a2d03e3db2ffec447ef21a1f01c996a7abcbea60e
qemu-kvm-tools-0.12.1.2-2.491.el6.x86_64.rpm	SHA-256: f2ff8590caaa34d3735e5b1fa4a94bd1bfcbab4013ea84fd32aa609f4b8cf818
i386
qemu-guest-agent-0.12.1.2-2.491.el6.i686.rpm	SHA-256: 69b7adc7168f270744de210f9e22a7c396f05bc6d9d2258112cc03935cc84c07
qemu-kvm-debuginfo-0.12.1.2-2.491.el6.i686.rpm	SHA-256: e64ea82262e24f60fb68019ff4d3f82a771222f7b9bb0fd54c524b4585b83f0b