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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.4722 SUSE-SU-2019:3338-1 Security update for xen 19 December 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: xen Publisher: SUSE Operating System: SUSE Impact/Access: Increased Privileges -- Existing Account Access Privileged Data -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-19583 CVE-2019-19582 CVE-2019-19581 CVE-2019-19580 CVE-2019-19579 CVE-2019-19578 CVE-2019-19577 Reference: ESB-2019.4707 ESB-2019.4675.2 ESB-2019.4656 Original Bulletin: https://www.suse.com/support/update/announcement/2019/suse-su-20193338-1.html - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2019:3338-1 Rating: important References: #1027519 #1152497 #1157047 #1157888 #1158003 #1158004 #1158005 #1158006 #1158007 Cross-References: CVE-2019-19577 CVE-2019-19578 CVE-2019-19579 CVE-2019-19580 CVE-2019-19581 CVE-2019-19582 CVE-2019-19583 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 7 vulnerabilities and has two fixes is now available. Description: This update for xen fixes the following issues: o CVE-2019-19581: Fixed a potential out of bounds on 32-bit Arm (bsc#1158003 XSA-307). o CVE-2019-19582: Fixed a potential infinite loop when x86 accesses to bitmaps with a compile time known size of 64 (bsc#1158003 XSA-307). o CVE-2019-19583: Fixed improper checks which could have allowed HVM/PVH guest userspace code to crash the guest,leading to a guest denial of service (bsc#1158004 XSA-308). o CVE-2019-19578: Fixed an issue where a malicious or buggy PV guest could have caused hypervisor crash resulting in denial of service affecting the entire host (bsc#1158005 XSA-309). o CVE-2019-19580: Fixed a privilege escalation where a malicious PV guest administrator could have been able to escalate their privilege to that of the host (bsc#1158006 XSA-310). o CVE-2019-19577: Fixed an issue where a malicious guest administrator could have caused Xen to access data structures while they are being modified leading to a crash (bsc#1158007 XSA-311). o CVE-2019-19579: Fixed a privilege escaltion where an untrusted domain with access to a physical device can DMA into host memory (bsc#1157888 XSA-306). o Fixed an issue where PCI passthrough failed on AMD machine xen host (bsc# 1157047). 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-SP1-2019-3338=1 o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1: zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2019-3338=1 o SUSE Linux Enterprise Module for Basesystem 15-SP1: zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2019-3338=1 Package List: o SUSE Linux Enterprise Module for Server Applications 15-SP1 (x86_64): xen-4.12.1_06-3.9.1 xen-debugsource-4.12.1_06-3.9.1 xen-devel-4.12.1_06-3.9.1 xen-tools-4.12.1_06-3.9.1 xen-tools-debuginfo-4.12.1_06-3.9.1 o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 (aarch64 x86_64): xen-debugsource-4.12.1_06-3.9.1 xen-doc-html-4.12.1_06-3.9.1 o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 (aarch64): xen-4.12.1_06-3.9.1 xen-devel-4.12.1_06-3.9.1 xen-libs-4.12.1_06-3.9.1 xen-libs-debuginfo-4.12.1_06-3.9.1 xen-tools-4.12.1_06-3.9.1 xen-tools-debuginfo-4.12.1_06-3.9.1 xen-tools-domU-4.12.1_06-3.9.1 xen-tools-domU-debuginfo-4.12.1_06-3.9.1 o SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 (x86_64): xen-libs-32bit-4.12.1_06-3.9.1 xen-libs-32bit-debuginfo-4.12.1_06-3.9.1 o SUSE Linux Enterprise Module for Basesystem 15-SP1 (x86_64): xen-debugsource-4.12.1_06-3.9.1 xen-libs-4.12.1_06-3.9.1 xen-libs-debuginfo-4.12.1_06-3.9.1 xen-tools-domU-4.12.1_06-3.9.1 xen-tools-domU-debuginfo-4.12.1_06-3.9.1 References: o https://www.suse.com/security/cve/CVE-2019-19577.html o https://www.suse.com/security/cve/CVE-2019-19578.html o https://www.suse.com/security/cve/CVE-2019-19579.html o https://www.suse.com/security/cve/CVE-2019-19580.html o https://www.suse.com/security/cve/CVE-2019-19581.html o https://www.suse.com/security/cve/CVE-2019-19582.html o https://www.suse.com/security/cve/CVE-2019-19583.html o https://bugzilla.suse.com/1027519 o https://bugzilla.suse.com/1152497 o https://bugzilla.suse.com/1157047 o https://bugzilla.suse.com/1157888 o https://bugzilla.suse.com/1158003 o https://bugzilla.suse.com/1158004 o https://bugzilla.suse.com/1158005 o https://bugzilla.suse.com/1158006 o https://bugzilla.suse.com/1158007 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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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). 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