Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.2221 Moderate: qemu-kvm-rhev security and bug fix update 6 September 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: qemu-kvm-rhev Publisher: Red Hat Operating System: Red Hat Linux variants Windows Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2017-7539 Original Bulletin: https://access.redhat.com/errata/RHSA-2017:2628 Comment: This advisory references vulnerabilities in products which run on platforms other than Red Hat. It is recommended that administrators running qemu-kvm-rhev check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: qemu-kvm-rhev security and bug fix update Advisory ID: RHSA-2017:2628-01 Product: Red Hat Virtualization Advisory URL: https://access.redhat.com/errata/RHSA-2017:2628 Issue date: 2017-09-05 CVE Names: CVE-2017-7539 ===================================================================== 1. Summary: An update for qemu-kvm-rhev is now available for RHEV 3.X Hypervisor and Agents for RHEL-7 and RHEV 4.X RHEV-H and Agents for RHEL-7. Red Hat Product Security has rated this update as having a security impact of Moderate. 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: Managment Agent for RHEL 7 Hosts - ppc64le, x86_64 RHEV-H and VDSM for 7 Hosts - ppc64le, x86_64 3. Description: 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. Security Fix(es): * An assertion-failure flaw was found in the Network Block Device (NBD) server's initial connection negotiation, where the I/O co-routine was undefined. This could crash the qemu-nbd server if a client sent unexpected data during connection negotiation. A remote user or process could use this flaw to crash the qemu-nbd server resulting in denial of service. (CVE-2017-7539) 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/): 1473622 - CVE-2017-7539 Qemu: qemu-nbd crashes due to undefined I/O coroutine 1482515 - [Tracing] capturing trace data failed [rhel-7.4.z] 1482851 - Requires for the seabios version that support vIOMMU of virtio [rhel-7.4.z] 1482856 - Unable to start vhost if iommu_platform=on but intel_iommu=on not specified in guest [rhel-7.4.z] 6. Package List: Managment Agent for RHEL 7 Hosts: Source: qemu-kvm-rhev-2.9.0-16.el7_4.5.src.rpm ppc64le: qemu-img-rhev-2.9.0-16.el7_4.5.ppc64le.rpm qemu-kvm-common-rhev-2.9.0-16.el7_4.5.ppc64le.rpm qemu-kvm-rhev-2.9.0-16.el7_4.5.ppc64le.rpm qemu-kvm-rhev-debuginfo-2.9.0-16.el7_4.5.ppc64le.rpm qemu-kvm-tools-rhev-2.9.0-16.el7_4.5.ppc64le.rpm x86_64: qemu-img-rhev-2.9.0-16.el7_4.5.x86_64.rpm qemu-kvm-common-rhev-2.9.0-16.el7_4.5.x86_64.rpm qemu-kvm-rhev-2.9.0-16.el7_4.5.x86_64.rpm qemu-kvm-rhev-debuginfo-2.9.0-16.el7_4.5.x86_64.rpm qemu-kvm-tools-rhev-2.9.0-16.el7_4.5.x86_64.rpm RHEV-H and VDSM for 7 Hosts: Source: qemu-kvm-rhev-2.9.0-16.el7_4.5.src.rpm ppc64le: qemu-img-rhev-2.9.0-16.el7_4.5.ppc64le.rpm qemu-kvm-common-rhev-2.9.0-16.el7_4.5.ppc64le.rpm qemu-kvm-rhev-2.9.0-16.el7_4.5.ppc64le.rpm qemu-kvm-rhev-debuginfo-2.9.0-16.el7_4.5.ppc64le.rpm qemu-kvm-tools-rhev-2.9.0-16.el7_4.5.ppc64le.rpm x86_64: qemu-img-rhev-2.9.0-16.el7_4.5.x86_64.rpm qemu-kvm-common-rhev-2.9.0-16.el7_4.5.x86_64.rpm qemu-kvm-rhev-2.9.0-16.el7_4.5.x86_64.rpm qemu-kvm-rhev-debuginfo-2.9.0-16.el7_4.5.x86_64.rpm qemu-kvm-tools-rhev-2.9.0-16.el7_4.5.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-2017-7539 https://access.redhat.com/security/updates/classification/#moderate 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2017 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFZrpAzXlSAg2UNWIIRAgEaAKCnPclmB1Jg+aMVOxJsnUpmZqbRjgCbBPop bVawm2KWAOrhY6x5ApmkeGY= =iqGv - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBWa8/kox+lLeg9Ub1AQhZlxAAkY0QOvjnaQqJVw1qUTWGTD1xdMoiGesV 8hgOaywJIawJwEpXsF6xmb+qbFAFC2QN7TzkQ7ejPTFJpVDUrQ+Qp4MZUauW12aP A02QtbIG58E8GgTM9vzO5O1uHMQV+7ABjXS8vWJuKemaKvEY8YOuCgJn4R3BN6dh 9SfamYykXYmPcn81l7UuIwJ5P/ErrwSbDgIL5kVGCVf73Ax15maK/fg3Ri/f+c0+ ulGaXkPDElu9PQh329sZCLmAZj6Gq4EjL2KgBoA0DXIN81P4hnHeR/Qai0sjgGl2 hjv1r4tWvM451s9nT7bQz253fOIX3mOd+d+bQvvp1bDuo6U0Ij+cqZ2TrZ6o4i3j Z96r8VhpbQlpSTOAl3OBNZhGo/XSjGgVT8QyjyyIGUQ++O/zeaqH9j+SJccko2GI 6w5oll36EOCUgL+uaK2s1UnfEQUTq727EKIGxfkZbfLBMionpo0OysIazh4TsD2l 3jIwLusffv8oXDOO131BdbtW3pZa6+Jo8Tb8nJnRgRCIHbnpKTRb2dqTFiaQkwU+ s2BRuu48+7kBsZJwFIgBNBR9q3+ZdYgS2eXI4v2zTbr8H7V1xeZ9GgH0f1Wnx+8c li/1KHJ1ZIM6yAiilvWiIrsEkVSnF7sl3qmfouL1CWgMcOnbZgle66KKwRwbof5L BxPKpnsM8p0= =rXpN -----END PGP SIGNATURE-----