RHSA-2020:1216: Important: qemu-kvm-rhev security, bug fix, and enhancement update

First published: Tue Mar 31 2020(Updated: )

KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.<br>Security Fix(es):<br><li> QEMU: slirp: heap buffer overflow during packet reassembly (CVE-2019-14378)</li> <li> QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI Server (CVE-2020-1711)</li> <li> QEMU: qxl: null pointer dereference while releasing spice resources (CVE-2019-12155)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.<br>Bug Fix(es):<br><li> After host update, older windows clients have large time drift (BZ#1639098)</li> <li> [v2v] Migration performance regression (BZ#1648622)</li> <li> Live storage migration fails with: TimeoutError: Timed out during operation: cannot acquire state change lock (held by monitor=remoteDispatchConnectGetAllDomainStats) and the VM becomes 'Not Responding' (BZ#1665256)</li> <li> QEMU gets stuck on resume/cont call from libvirt (BZ#1673546)</li> <li> [Intel 7.8 Bug] [KVM][CLX] CPUID_7_0_EDX_ARCH_CAPABILITIES is not enabled in VM qemu-kvm-rhev (BZ#1709972)</li> <li> qemu aborts in blockCommit: qemu-kvm: block.c:3486: bdrv_replace_node: Assertion `!({ _Static_assert(!(sizeof(*&amp;from-&gt;in_flight) &gt; 8), "not expecting: " "sizeof(*&amp;from-&gt;in_flight) &gt; ATOMIC_REG_SIZE"); __atomic_load_n(&amp;from-&gt;in_flight, 0); })' failed. (BZ#1711643)</li> <li> ccid: Fix incorrect dwProtocol advertisement of T=0 (BZ#1721522)</li> <li> Fail to migrate a rhel6.10-mt7.6 guest with dimm device (BZ#1724048)</li> <li> qemu-kvm: backport cpuidle-haltpoll support (BZ#1734502)</li> <li> qemu, qemu-img fail to detect alignment with XFS and Gluster/XFS on 4k block device (BZ#1743365)</li> <li> ISST-LTE:RHV4.3 on RHEL7.6 kvm host:Power8:Tuleta-L:lotg7: call traces dumped on guest while performing guest migration (qemu-kvm-rhev) (BZ#1743508)</li> <li> qemu coredump: qemu-kvm: block/create.c:68: qmp_blockdev_create: Assertion `drv' failed (BZ#1746224)</li> <li> [Data plane]virtio_scsi_ctx_check: Assertion `blk_get_aio_context(d-&gt;conf.blk) == s-&gt;ctx' failed when unplug a device that running block stream on it (BZ#1764120)</li> <li> qemu-kvm crashes when Windows VM is migrated with multiqueue (BZ#1775251)</li> Enhancement(s):<br><li> [Intel 7.8 FEAT] MDS_NO exposure to guest - qemu-kvm-rhev (BZ#1716726)</li>

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