Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.3002 qemu-kvm security, bug fix, and enhancement update 8 August 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: qemu-kvm Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Impact/Access: Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-9824 Reference: ESB-2019.2426 ESB-2019.1098.3 Original Bulletin: https://access.redhat.com/errata/RHSA-2019:2078 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Low: qemu-kvm security, bug fix, and enhancement update Advisory ID: RHSA-2019:2078-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:2078 Issue date: 2019-08-06 CVE Names: CVE-2019-9824 ===================================================================== 1. Summary: An update for qemu-kvm is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Low. 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 Client (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 3. Description: Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM. Security Fix(es): * QEMU: Slirp: information leakage in tcp_emu() due to uninitialized stack variables (CVE-2019-9824) 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. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.7 Release Notes linked from the References section. 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/): 1654627 - Qemu: hw: bt: keep bt/* objects from building [rhel-7.7] 1658407 - mode="host-model" VMs include broken "arch-facilities" flag name [qemu-kvm] 1659229 - Ballooning is incompatible with vfio assigned devices, but not prevented 1678515 - CVE-2019-9824 QEMU: Slirp: information leakage in tcp_emu() due to uninitialized stack variables 1686253 - Bitmap merge: Segment fault when merge with a not existed src_name in transaction mode 1709495 - Change CPUID[0x40000000].EAX from 0 to KVM_CPUID_FE...ATURES (0x40000001) 6. Package List: Red Hat Enterprise Linux Client (v. 7): Source: qemu-kvm-1.5.3-167.el7.src.rpm x86_64: qemu-img-1.5.3-167.el7.x86_64.rpm qemu-kvm-1.5.3-167.el7.x86_64.rpm qemu-kvm-common-1.5.3-167.el7.x86_64.rpm qemu-kvm-debuginfo-1.5.3-167.el7.x86_64.rpm qemu-kvm-tools-1.5.3-167.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional (v. 7): Source: qemu-kvm-1.5.3-167.el7.src.rpm x86_64: qemu-img-1.5.3-167.el7.x86_64.rpm qemu-kvm-1.5.3-167.el7.x86_64.rpm qemu-kvm-common-1.5.3-167.el7.x86_64.rpm qemu-kvm-debuginfo-1.5.3-167.el7.x86_64.rpm qemu-kvm-tools-1.5.3-167.el7.x86_64.rpm Red Hat Enterprise Linux Server (v. 7): Source: qemu-kvm-1.5.3-167.el7.src.rpm x86_64: qemu-img-1.5.3-167.el7.x86_64.rpm qemu-kvm-1.5.3-167.el7.x86_64.rpm qemu-kvm-common-1.5.3-167.el7.x86_64.rpm qemu-kvm-debuginfo-1.5.3-167.el7.x86_64.rpm qemu-kvm-tools-1.5.3-167.el7.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: qemu-kvm-1.5.3-167.el7.src.rpm x86_64: qemu-img-1.5.3-167.el7.x86_64.rpm qemu-kvm-1.5.3-167.el7.x86_64.rpm qemu-kvm-common-1.5.3-167.el7.x86_64.rpm qemu-kvm-debuginfo-1.5.3-167.el7.x86_64.rpm qemu-kvm-tools-1.5.3-167.el7.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-2019-9824 https://access.redhat.com/security/updates/classification/#low https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.7_release_notes/index 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2019 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXUl4Y9zjgjWX9erEAQh0WQ//VJCt2bcUyl7i74kld+Dax5znWHb5TsIF PrWIlAapx5Cz/dGI/0wdRj0J3H5eYjD3ssyO+hpnwkZJ2A7u0n3s4bUYlnrFTT+4 DRRPRVjpbP87gIdngjzeC77E8VstrTx8MoqyEmm/RU/Ti4aY7rnPj3c6k/txyqDP 4ygSdaJubd3GM89Y9YNGU9abZr76zpoX4JFXnNbURbWXpssZNbp9kBxENZI775pU GweiiFdGPGD4Td8K+wBB9JdzFph+T532n8daNX+UqKJ2r6j6p+wKDRIh9Py/CMWG RblApiEgYpXwrKndJBvRKVhNZte+orIGbNWOOyOWL2d4qvWkd1HewI2s/VsWPDxr Ep2WPEGDO3nkXmFoCblEgbZd2HDsR/vUztq1t4UQWc7dumsXRsRpQK27PHZPaZ/j qLQhSRJyoyiCaraSi3+paa4UilyTyTwd1tBQR18eVII0LLibYO9lFeeffvzjqT1y yHDvo8+vHi7rMvvAFtX6MvI8Vi3Aq3vxlyv3KvO1QJiTXVFTD9DncjwwSoTOaLtc +XpTQ87emuJqyL2h5R2ddeGM97IwIPHZ1MME6qC9BmPWsJpUdD9aF4Bc5b+Y1u5G no0AV1mpulX7GM4nUvdEvLSSUwQEaGAJ8uJL4BNkWkIhMtBw6pIVDJWkZun6UoC3 f3md+cffKkY= =Yj0E - -----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: https://www.auscert.org.au/bulletins/ =========================================================================== 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 iQIVAwUBXUuAeWaOgq3Tt24GAQhZVhAAtMspBPjNIJfjbIfYKisa2yFtitmHBRKL 24hszYwzvyjObToSXYVeX4uk01nomtuenx6Z7Pzkw/D24xoTByyKuSpo62DXsbZH 7pHgNSzhF7OHteTBVdI4ImklFngfYbOcDq9Py3VfeYWE2DYYNRpsULj7/QMeGWJ1 4XhHNxbKkvxX/kAqny/hDj5m/5S4MZDrkOliiO/Hj2MnTWI1blrf75rb8ozT7NRt GHgPM1jlspIT/RuJC8bxcrY4HPNcE/F6vQrpF0rBqu4XR7ftZooSc8QGTMjYO6Bs JtK/fVoGJ5+bNFgeVLQcGcsA18amnMKcHi6OZD5YEACOC1sIj87uXlVhHC5rJ3BF l/lBP3QkW+d0Xx5v7SdwvyGhVAenguNfhVTJVLQjDujJNc+VmQ4HC43EpN4Sj6RJ I0EvzlXuFOPvmNCinHcxx7oy8e+7DJOjciIZOJ52xfN1mSkXJu9g73objAVHgf0l h2b5eSpiFZJ66DBtNQjwO4n2ZzD7+qrdE5FT5gBO9XWek1VMSlmG8ba1O1riAGhZ Atvb9Dhg3l/AixEq/MHLkylbBtQQmwMBAqoY6yEyaL7Pwp7yfzDHznzjWIkTA8Ig FJC+019SBjEf58v5bebq8l0PqSiRiMsrZEmZdLKLIhhyE6QloNn7L3FEdaxsN78w VNHGiMkNxHI= =hhev -----END PGP SIGNATURE-----