Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.4254 Security update for xen 14 November 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: xen Publisher: SUSE Operating System: SUSE Impact/Access: Root Compromise -- Existing Account Access Privileged Data -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-18425 CVE-2019-18424 CVE-2019-18423 CVE-2019-18422 CVE-2019-18421 CVE-2019-18420 CVE-2019-11135 CVE-2018-12207 Reference: ASB-2019.0330 ASB-2019.0322 ASB-2019.0313 ESB-2019.4246 ESB-2019.4068 ESB-2019.4064 ESB-2019.4061 Original Bulletin: https://www.suse.com/support/update/announcement/2019/suse-su-20192960-1.html https://www.suse.com/support/update/announcement/2019/suse-su-20192961-1.html https://www.suse.com/support/update/announcement/2019/suse-su-20192962-1.html - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2019:2960-1 Rating: important References: #1152497 #1154448 #1154456 #1154458 #1154461 #1155945 Cross-References: CVE-2018-12207 CVE-2019-11135 CVE-2019-18420 CVE-2019-18421 CVE-2019-18424 CVE-2019-18425 Affected Products: SUSE Linux Enterprise Module for Server Applications 15 SUSE Linux Enterprise Module for Basesystem 15 ______________________________________________________________________________ An update that fixes 6 vulnerabilities is now available. Description: This update for xen fixes the following issues: o CVE-2018-12207: Untrusted virtual machines on Intel CPUs could exploit a race condition in the Instruction Fetch Unit of the Intel CPU to cause a Machine Exception during Page Size Change, causing the CPU core to be non-functional. (bsc#1155945) o CVE-2019-11135: Aborting an asynchronous TSX operation on Intel CPUs with Transactional Memory support could be used to facilitate sidechannel information leaks out of microarchitectural buffers, similar to the previously described "Microarchitectural Data Sampling" attack. (bsc# 1152497). o CVE-2019-18425: 32-bit PV guest user mode could elevate its privileges to that of the guest kernel. (bsc#1154456). o CVE-2019-18421: A malicious PV guest administrator may have been able to escalate their privilege to that of the host. (bsc#1154458). o CVE-2019-18420: Malicious x86 PV guests may have caused a hypervisor crash, resulting in a Denial of Service (Dos). (bsc#1154448) Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: o SUSE Linux Enterprise Module for Server Applications 15: zypper in -t patch SUSE-SLE-Module-Server-Applications-15-2019-2960=1 o SUSE Linux Enterprise Module for Basesystem 15: zypper in -t patch SUSE-SLE-Module-Basesystem-15-2019-2960=1 Package List: o SUSE Linux Enterprise Module for Server Applications 15 (x86_64): xen-4.10.4_06-3.25.1 xen-debugsource-4.10.4_06-3.25.1 xen-devel-4.10.4_06-3.25.1 xen-tools-4.10.4_06-3.25.1 xen-tools-debuginfo-4.10.4_06-3.25.1 o SUSE Linux Enterprise Module for Basesystem 15 (x86_64): xen-debugsource-4.10.4_06-3.25.1 xen-libs-4.10.4_06-3.25.1 xen-libs-debuginfo-4.10.4_06-3.25.1 xen-tools-domU-4.10.4_06-3.25.1 xen-tools-domU-debuginfo-4.10.4_06-3.25.1 References: o https://www.suse.com/security/cve/CVE-2018-12207.html o https://www.suse.com/security/cve/CVE-2019-11135.html o https://www.suse.com/security/cve/CVE-2019-18420.html o https://www.suse.com/security/cve/CVE-2019-18421.html o https://www.suse.com/security/cve/CVE-2019-18424.html o https://www.suse.com/security/cve/CVE-2019-18425.html o https://bugzilla.suse.com/1152497 o https://bugzilla.suse.com/1154448 o https://bugzilla.suse.com/1154456 o https://bugzilla.suse.com/1154458 o https://bugzilla.suse.com/1154461 o https://bugzilla.suse.com/1155945 ============================================================================= SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2019:2961-1 Rating: important References: #1027519 #1152497 #1154448 #1154456 #1154458 #1154460 #1154461 #1154464 #1155945 Cross-References: CVE-2018-12207 CVE-2019-11135 CVE-2019-18420 CVE-2019-18421 CVE-2019-18422 CVE-2019-18423 CVE-2019-18424 CVE-2019-18425 Affected Products: SUSE Linux Enterprise Module for Server Applications 15-SP1 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 SUSE Linux Enterprise Module for Basesystem 15-SP1 ______________________________________________________________________________ An update that solves 8 vulnerabilities and has one errata is now available. Description: This update for xen fixes the following issues: o CVE-2018-12207: Untrusted virtual machines on Intel CPUs could exploit a race condition in the Instruction Fetch Unit of the Intel CPU to cause a Machine Exception during Page Size Change, causing the CPU core to be non-functional. (bsc#1155945) o CVE-2019-11135: Aborting an asynchronous TSX operation on Intel CPUs with Transactional Memory support could be used to facilitate sidechannel information leaks out of microarchitectural buffers, similar to the previously described "Microarchitectural Data Sampling" attack. (bsc# 1152497). o CVE-2019-18423: A malicious guest administrator may cause a hypervisor crash, resulting in a Denial of Service (DoS). (bsc#1154460). o CVE-2019-18422: A malicious ARM guest might contrive to arrange for critical Xen code to run with interrupts erroneously enabled. This could lead to data corruption, denial of service, or possibly even privilege escalation. However a precise attack technique has not been identified. (bsc#1154464) o CVE-2019-18424: An untrusted domain with access to a physical device can DMA into host memory, leading to privilege escalation. (bsc#1154461). o CVE-2019-18421: A malicious PV guest administrator may have been able to escalate their privilege to that of the host. (bsc#1154458). o CVE-2019-18425: 32-bit PV guest user mode could elevate its privileges to that of the guest kernel. (bsc#1154456). o CVE-2019-18420: Malicious x86 PV guests may have caused a hypervisor crash, resulting in a Denial of Service (Dos). (bsc#1154448) o Upstream bug fixes (bsc#1027519) Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: o SUSE Linux Enterprise Module for Server Applications 15-SP1: zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP1-2019-2961=1 o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1: zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2019-2961=1 o SUSE Linux Enterprise Module for Basesystem 15-SP1: zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2019-2961=1 Package List: o SUSE Linux Enterprise Module for Server Applications 15-SP1 (x86_64): xen-4.12.1_04-3.6.1 xen-debugsource-4.12.1_04-3.6.1 xen-devel-4.12.1_04-3.6.1 xen-tools-4.12.1_04-3.6.1 xen-tools-debuginfo-4.12.1_04-3.6.1 o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 (aarch64 x86_64): xen-debugsource-4.12.1_04-3.6.1 xen-doc-html-4.12.1_04-3.6.1 o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 (aarch64): xen-4.12.1_04-3.6.1 xen-devel-4.12.1_04-3.6.1 xen-libs-4.12.1_04-3.6.1 xen-libs-debuginfo-4.12.1_04-3.6.1 xen-tools-4.12.1_04-3.6.1 xen-tools-debuginfo-4.12.1_04-3.6.1 xen-tools-domU-4.12.1_04-3.6.1 xen-tools-domU-debuginfo-4.12.1_04-3.6.1 o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 (x86_64): xen-libs-32bit-4.12.1_04-3.6.1 xen-libs-32bit-debuginfo-4.12.1_04-3.6.1 o SUSE Linux Enterprise Module for Basesystem 15-SP1 (x86_64): xen-debugsource-4.12.1_04-3.6.1 xen-libs-4.12.1_04-3.6.1 xen-libs-debuginfo-4.12.1_04-3.6.1 xen-tools-domU-4.12.1_04-3.6.1 xen-tools-domU-debuginfo-4.12.1_04-3.6.1 References: o https://www.suse.com/security/cve/CVE-2018-12207.html o https://www.suse.com/security/cve/CVE-2019-11135.html o https://www.suse.com/security/cve/CVE-2019-18420.html o https://www.suse.com/security/cve/CVE-2019-18421.html o https://www.suse.com/security/cve/CVE-2019-18422.html o https://www.suse.com/security/cve/CVE-2019-18423.html o https://www.suse.com/security/cve/CVE-2019-18424.html o https://www.suse.com/security/cve/CVE-2019-18425.html o https://bugzilla.suse.com/1027519 o https://bugzilla.suse.com/1152497 o https://bugzilla.suse.com/1154448 o https://bugzilla.suse.com/1154456 o https://bugzilla.suse.com/1154458 o https://bugzilla.suse.com/1154460 o https://bugzilla.suse.com/1154461 o https://bugzilla.suse.com/1154464 o https://bugzilla.suse.com/1155945 ============================================================================= SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2019:2962-1 Rating: important References: #1152497 #1154448 #1154456 #1154458 #1154461 #1155945 Cross-References: CVE-2018-12207 CVE-2019-11135 CVE-2019-18420 CVE-2019-18421 CVE-2019-18424 CVE-2019-18425 Affected Products: SUSE Linux Enterprise Software Development Kit 12-SP4 SUSE Linux Enterprise Server 12-SP4 SUSE Linux Enterprise Desktop 12-SP4 ______________________________________________________________________________ An update that fixes 6 vulnerabilities is now available. Description: This update for xen fixes the following issues: o CVE-2018-12207: Untrusted virtual machines on Intel CPUs could exploit a race condition in the Instruction Fetch Unit of the Intel CPU to cause a Machine Exception during Page Size Change, causing the CPU core to be non-functional. (bsc#1155945) o CVE-2019-11135: Aborting an asynchronous TSX operation on Intel CPUs with Transactional Memory support could be used to facilitate sidechannel information leaks out of microarchitectural buffers, similar to the previously described "Microarchitectural Data Sampling" attack. (bsc# 1152497). o CVE-2019-18424: An untrusted domain with access to a physical device can DMA into host memory, leading to privilege escalation. (bsc#1154461). o CVE-2019-18421: A malicious PV guest administrator may have been able to escalate their privilege to that of the host. (bsc#1154458). o CVE-2019-18425: 32-bit PV guest user mode could elevate its privileges to that of the guest kernel. (bsc#1154456). o CVE-2019-18420: Malicious x86 PV guests may have caused a hypervisor crash, resulting in a Denial of Service (Dos). (bsc#1154448) Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: o SUSE Linux Enterprise Software Development Kit 12-SP4: zypper in -t patch SUSE-SLE-SDK-12-SP4-2019-2962=1 o SUSE Linux Enterprise Server 12-SP4: zypper in -t patch SUSE-SLE-SERVER-12-SP4-2019-2962=1 o SUSE Linux Enterprise Desktop 12-SP4: zypper in -t patch SUSE-SLE-DESKTOP-12-SP4-2019-2962=1 Package List: o SUSE Linux Enterprise Software Development Kit 12-SP4 (aarch64 x86_64): xen-debugsource-4.11.2_04-2.17.1 xen-devel-4.11.2_04-2.17.1 o SUSE Linux Enterprise Server 12-SP4 (x86_64): xen-4.11.2_04-2.17.1 xen-debugsource-4.11.2_04-2.17.1 xen-doc-html-4.11.2_04-2.17.1 xen-libs-32bit-4.11.2_04-2.17.1 xen-libs-4.11.2_04-2.17.1 xen-libs-debuginfo-32bit-4.11.2_04-2.17.1 xen-libs-debuginfo-4.11.2_04-2.17.1 xen-tools-4.11.2_04-2.17.1 xen-tools-debuginfo-4.11.2_04-2.17.1 xen-tools-domU-4.11.2_04-2.17.1 xen-tools-domU-debuginfo-4.11.2_04-2.17.1 o SUSE Linux Enterprise Desktop 12-SP4 (x86_64): xen-4.11.2_04-2.17.1 xen-debugsource-4.11.2_04-2.17.1 xen-libs-32bit-4.11.2_04-2.17.1 xen-libs-4.11.2_04-2.17.1 xen-libs-debuginfo-32bit-4.11.2_04-2.17.1 xen-libs-debuginfo-4.11.2_04-2.17.1 References: o https://www.suse.com/security/cve/CVE-2018-12207.html o https://www.suse.com/security/cve/CVE-2019-11135.html o https://www.suse.com/security/cve/CVE-2019-18420.html o https://www.suse.com/security/cve/CVE-2019-18421.html o https://www.suse.com/security/cve/CVE-2019-18424.html o https://www.suse.com/security/cve/CVE-2019-18425.html o https://bugzilla.suse.com/1152497 o https://bugzilla.suse.com/1154448 o https://bugzilla.suse.com/1154456 o https://bugzilla.suse.com/1154458 o https://bugzilla.suse.com/1154461 o https://bugzilla.suse.com/1155945 - --------------------------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 iQIVAwUBXcym1WaOgq3Tt24GAQiQ1g//ZJgmi8zOPpE2BFjrEb+238nkIKOSBcfW 6EIqy3vULfYRPDOLRAeZoBw2HByWIQDj5NgSIjGIO8cOuU0b+BGOSaoDAWWNTX3U sUUAYWZN/Ztre2AiW6Zuzx5cROyAxN2LfG7fNb+iF/pVtjaJ0rVY3amT9KnnByd+ pai2dl6DYymbpp//0VagahYy+kFu34+Q8QCWwaALZtaUyoSaAg8ZO48qpBencSIK EsrjAh+o/RhwTfi40Ielj0ZP/Vgun3NnzHBePn0NcAZR/gpAGnvUh+rIabIIpjtG rSPhSMMW/ek4zgBRvXu+41ncLmheU/s11viqWDYvl+eVk7DZuHnbl68N7CmaMyg3 WvIAZex+BSAU8btSkWA+aQ0ehvCvooieJ8t7fHN9bPMNqYa2WH2lqg3ISSkGr2YE Z47abpJ+YniVBIBFY+xoHY5QhmW4D7yIarz1V77UH5T2ZiQGjyschLl/aYT8ZJwv MweLbjWbHmMe+3XdTQJA7B7sSElvvqrKE9Qudyxizo1MmPfxCpSHtrsajrH2CFCA XpY4JFwx79OJ/BNNXO17q8GYqOobN4KlBjSzfdua35/kWzNnxnAkBqnh40wIJIeG CMH8BbUcgdPSMure1Nn8UPWn+P2v4P9Z+W7Ml8hXwV722xEXphQNrAh5cT+tDzbY qvC8c4Wd1BU= =E2vb -----END PGP SIGNATURE-----