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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.1737.2 USN-3985-1: libvirt update 17 May 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: libvirt Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Access Privileged Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-11091 CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 Reference: ASB-2019.0138 ESB-2019.1730 ESB-2019.1722 ESB-2019.1714 ESB-2019.1712 Original Bulletin: https://usn.ubuntu.com/3985-1/ https://usn.ubuntu.com/3985-2/ Comment: This bulletin contains two (2) Ubuntu security advisories. Revision History: May 17 2019: Ubuntu released matching advisory for 14.04 ESM release May 16 2019: Initial Release - --------------------------BEGIN INCLUDED TEXT-------------------- USN-3985-1: libvirt update 15 May 2019 libvirt update A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 19.04 o Ubuntu 18.10 o Ubuntu 18.04 LTS o Ubuntu 16.04 LTS Summary Several issues were addressed in libvirt. Software Description o libvirt - Libvirt virtualization toolkit Details Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Giorgi Maisuradze, Dan Horea Lutas, Andrei Lutas, Volodymyr Pikhur, Stephan van Schaik, Alyssa Milburn, Sebastian A sterlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Moritz Lipp, Michael Schwarz, and Daniel Gruss discovered that memory previously stored in microarchitectural fill buffers of an Intel CPU core may be exposed to a malicious process that is executing on the same CPU core. A local attacker could use this to expose sensitive information. (CVE-2018-12130) Brandon Falk, Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Stephan van Schaik, Alyssa Milburn, Sebastian A sterlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, and Cristiano Giuffrida discovered that memory previously stored in microarchitectural load ports of an Intel CPU core may be exposed to a malicious process that is executing on the same CPU core. A local attacker could use this to expose sensitive information. (CVE-2018-12127) Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Marina Minkin, Daniel Moghimi, Moritz Lipp, Michael Schwarz, Jo Van Bulck, Daniel Genkin, Daniel Gruss, Berk Sunar, Frank Piessens, and Yuval Yarom discovered that memory previously stored in microarchitectural store buffers of an Intel CPU core may be exposed to a malicious process that is executing on the same CPU core. A local attacker could use this to expose sensitive information. (CVE-2018-12126) Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Volodrmyr Pikhur, Moritz Lipp, Michael Schwarz, Daniel Gruss, Stephan van Schaik, Alyssa Milburn, Sebastian A sterlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, and Cristiano Giuffrida discovered that uncacheable memory previously stored in microarchitectural buffers of an Intel CPU core may be exposed to a malicious process that is executing on the same CPU core. A local attacker could use this to expose sensitive information. (CVE-2019-11091) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 libvirt-clients - 5.0.0-1ubuntu2.1 libvirt-daemon - 5.0.0-1ubuntu2.1 libvirt0 - 5.0.0-1ubuntu2.1 Ubuntu 18.10 libvirt-clients - 4.6.0-2ubuntu3.5 libvirt-daemon - 4.6.0-2ubuntu3.5 libvirt0 - 4.6.0-2ubuntu3.5 Ubuntu 18.04 LTS libvirt-clients - 4.0.0-1ubuntu8.10 libvirt-daemon - 4.0.0-1ubuntu8.10 libvirt0 - 4.0.0-1ubuntu8.10 Ubuntu 16.04 LTS libvirt-bin - 1.3.1-1ubuntu10.26 libvirt0 - 1.3.1-1ubuntu10.26 To update your system, please follow these instructions: https:// wiki.ubuntu.com/Security/Upgrades . After a standard system update you need to reboot your computer to make all the necessary changes. References o CVE-2018-12126 o CVE-2018-12127 o CVE-2018-12130 o CVE-2019-11091 - -------------------------------------------------------------------------------- USN-3985-2: libvirt update 16 May 2019 libvirt update A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 14.04 ESM Summary Several security issues were addressed in libvirt. Software Description o libvirt - Libvirt virtualization toolkit Details Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Giorgi Maisuradze, Dan Horea Lutas, Andrei Lutas, Volodymyr Pikhur, Stephan van Schaik, Alyssa Milburn, Sebastian A sterlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Moritz Lipp, Michael Schwarz, and Daniel Gruss discovered that memory previously stored in microarchitectural fill buffers of an Intel CPU core may be exposed to a malicious process that is executing on the same CPU core. A local attacker could use this to expose sensitive information. (CVE-2018-12130) Brandon Falk, Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Stephan van Schaik, Alyssa Milburn, Sebastian A sterlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, and Cristiano Giuffrida discovered that memory previously stored in microarchitectural load ports of an Intel CPU core may be exposed to a malicious process that is executing on the same CPU core. A local attacker could use this to expose sensitive information. (CVE-2018-12127) Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Marina Minkin, Daniel Moghimi, Moritz Lipp, Michael Schwarz, Jo Van Bulck, Daniel Genkin, Daniel Gruss, Berk Sunar, Frank Piessens, and Yuval Yarom discovered that memory previously stored in microarchitectural store buffers of an Intel CPU core may be exposed to a malicious process that is executing on the same CPU core. A local attacker could use this to expose sensitive information. (CVE-2018-12126) Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Volodrmyr Pikhur, Moritz Lipp, Michael Schwarz, Daniel Gruss, Stephan van Schaik, Alyssa Milburn, Sebastian A sterlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, and Cristiano Giuffrida discovered that uncacheable memory previously stored in microarchitectural buffers of an Intel CPU core may be exposed to a malicious process that is executing on the same CPU core. A local attacker could use this to expose sensitive information. (CVE-2019-11091) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 ESM libvirt-bin - 1.2.2-0ubuntu13.1.28 libvirt0 - 1.2.2-0ubuntu13.1.28 To update your system, please follow these instructions: https:// wiki.ubuntu.com/Security/Upgrades . After a standard system update you need to reboot your computer to make all the necessary changes. References o USN-3985-1 o CVE-2018-12126 o CVE-2018-12127 o CVE-2018-12130 o CVE-2019-11091 o https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/MDS - --------------------------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. 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