The following security update has been released for CentOS:

CESA-2016:0082 Important CentOS 6 qemu-kvm Security Update
CESA-2016:0083 Important CentOS 7 qemu-kvm Security Update

CESA-2016:0082 Important CentOS 6 qemu-kvm Security Update

CentOS Errata and Security Advisory 2016:0082 Important

Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-0082.html

The following updated files have been uploaded and are currently
syncing to the mirrors: ( sha256sum Filename )

i386:
a1f7d969256f40bceda80f8b528483daa4c46ffd1aa161d688b5213e82534728 qemu-guest-agent-0.12.1.2-2.479.el6_7.4.i686.rpm

x86_64:
1e0bbdb48082401bf939242e8365ed87d978d810461fd5f5f8a07fb27cc68908 qemu-guest-agent-0.12.1.2-2.479.el6_7.4.x86_64.rpm
5659db7806844d947e48a239a10e171bfe614f6ec55e41dc4456bbf681ed93a3 qemu-img-0.12.1.2-2.479.el6_7.4.x86_64.rpm
02c1fb0cf175af0ef966c9bdba504598dcc296acd84943e84c6950b660119858 qemu-kvm-0.12.1.2-2.479.el6_7.4.x86_64.rpm
3a706f6a6c9dd68d53403d9bf28e0460d166ccb14b5e236cb3a570fed8981945 qemu-kvm-tools-0.12.1.2-2.479.el6_7.4.x86_64.rpm

Source:
15dd53d31a04e2fbff8ed17825a00a8db774e4b765d21cb8e425dfa7f420e1ed qemu-kvm-0.12.1.2-2.479.el6_7.4.src.rpm

CESA-2016:0083 Important CentOS 7 qemu-kvm Security Update

CentOS Errata and Security Advisory 2016:0083 Important

Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-0083.html

The following updated files have been uploaded and are currently
syncing to the mirrors: ( sha256sum Filename )

x86_64:
4b32c17ff1beedcb1f6061718d320fabefdfbc097c158d4b1dae708fd42fdcea libcacard-1.5.3-105.el7_2.3.i686.rpm
e67108224ae1a48a7e3fe50c844eb72cbb1f2577e14a8b4125223a7733fae0d1 libcacard-1.5.3-105.el7_2.3.x86_64.rpm
d87a6e35540834492782b7b8912a4585aa1aed9bc8e8be2411869ac629992b2e libcacard-devel-1.5.3-105.el7_2.3.i686.rpm
de52616bc23aa304b8e5754dbd01ea01885be400a7c1971f175a71a4c319c8e2 libcacard-devel-1.5.3-105.el7_2.3.x86_64.rpm
9d5121b15522703d568ef24aa6445d70aa25cce27bff49c94ebebe0d484b461e libcacard-tools-1.5.3-105.el7_2.3.x86_64.rpm
f6b81452aa1929447d9bc9b1801276e11c20f356a5fffff4817994da23073ce6 qemu-img-1.5.3-105.el7_2.3.x86_64.rpm
21eaddeefef89775defa32724cb48d501184212b8d05d128a3c83911c1fc2099 qemu-kvm-1.5.3-105.el7_2.3.x86_64.rpm
89bb7aa5f7b8d0ed361b7b9090f7a3a508213829237da9e39b3a1d7a674b4fcc qemu-kvm-common-1.5.3-105.el7_2.3.x86_64.rpm
eb6f93064a64451b608d32f292e94fad18c53a16790507fe2d97bf1d0b78e006 qemu-kvm-tools-1.5.3-105.el7_2.3.x86_64.rpm

Source:
f963af3a6d471d8b82c5afef2fc76ef4f1dd3985e10ceafe2b04e04ef1571bf4 qemu-kvm-1.5.3-105.el7_2.3.src.rpm