-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Important: qemu-kvm security update Advisory ID: RHSA-2016:0997-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-0997.html Issue date: 2016-05-10 CVE Names: CVE-2016-3710 ===================================================================== 1. Summary: An update for qemu-kvm is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64 Red Hat Enterprise Linux HPC Node (v. 6) - x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64 3. 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. Security Fix(es): * An out-of-bounds read/write access flaw was found in the way QEMU's VGA emulation with VESA BIOS Extensions (VBE) support performed read/write operations via I/O port methods. A privileged guest user could use this flaw to execute arbitrary code on the host with the privileges of the host's QEMU process. (CVE-2016-3710) Red Hat would like to thank Wei Xiao (360 Marvel Team) and Qinghao Tang (360 Marvel Team) for reporting this issue. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 1331401 - CVE-2016-3710 qemu: incorrect banked access bounds checking in vga module 6. Package List: Red Hat Enterprise Linux Desktop (v. 6): Source: qemu-kvm-0.12.1.2-2.491.el6_8.1.src.rpm i386: qemu-guest-agent-0.12.1.2-2.491.el6_8.1.i686.rpm qemu-kvm-debuginfo-0.12.1.2-2.491.el6_8.1.i686.rpm x86_64: qemu-guest-agent-0.12.1.2-2.491.el6_8.1.x86_64.rpm qemu-img-0.12.1.2-2.491.el6_8.1.x86_64.rpm qemu-kvm-0.12.1.2-2.491.el6_8.1.x86_64.rpm qemu-kvm-debuginfo-0.12.1.2-2.491.el6_8.1.x86_64.rpm qemu-kvm-tools-0.12.1.2-2.491.el6_8.1.x86_64.rpm Red Hat Enterprise Linux HPC Node (v. 6): Source: qemu-kvm-0.12.1.2-2.491.el6_8.1.src.rpm x86_64: qemu-guest-agent-0.12.1.2-2.491.el6_8.1.x86_64.rpm qemu-img-0.12.1.2-2.491.el6_8.1.x86_64.rpm qemu-kvm-0.12.1.2-2.491.el6_8.1.x86_64.rpm qemu-kvm-debuginfo-0.12.1.2-2.491.el6_8.1.x86_64.rpm qemu-kvm-tools-0.12.1.2-2.491.el6_8.1.x86_64.rpm Red Hat Enterprise Linux Server (v. 6): Source: qemu-kvm-0.12.1.2-2.491.el6_8.1.src.rpm i386: qemu-guest-agent-0.12.1.2-2.491.el6_8.1.i686.rpm qemu-kvm-debuginfo-0.12.1.2-2.491.el6_8.1.i686.rpm ppc64: qemu-guest-agent-0.12.1.2-2.491.el6_8.1.ppc64.rpm qemu-kvm-debuginfo-0.12.1.2-2.491.el6_8.1.ppc64.rpm x86_64: qemu-guest-agent-0.12.1.2-2.491.el6_8.1.x86_64.rpm qemu-img-0.12.1.2-2.491.el6_8.1.x86_64.rpm qemu-kvm-0.12.1.2-2.491.el6_8.1.x86_64.rpm qemu-kvm-debuginfo-0.12.1.2-2.491.el6_8.1.x86_64.rpm qemu-kvm-tools-0.12.1.2-2.491.el6_8.1.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: qemu-kvm-0.12.1.2-2.491.el6_8.1.src.rpm i386: qemu-guest-agent-0.12.1.2-2.491.el6_8.1.i686.rpm qemu-kvm-debuginfo-0.12.1.2-2.491.el6_8.1.i686.rpm x86_64: qemu-guest-agent-0.12.1.2-2.491.el6_8.1.x86_64.rpm qemu-img-0.12.1.2-2.491.el6_8.1.x86_64.rpm qemu-kvm-0.12.1.2-2.491.el6_8.1.x86_64.rpm qemu-kvm-debuginfo-0.12.1.2-2.491.el6_8.1.x86_64.rpm qemu-kvm-tools-0.12.1.2-2.491.el6_8.1.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2016-3710 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2016 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFXMXRbXlSAg2UNWIIRAtSXAJ9PBuLA2HF60tNE5GST8Fh2EuDISwCgvB1c wLZ2vEBRd+pEYszkRmKhXMY= =wKx8 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce