04 December 2017
Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.3088 SUSE Security Update: Security update for xen 4 December 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: xen Publisher: SUSE Operating System: SUSE Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Denial of Service -- Existing Account Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2017-15597 CVE-2017-15289 Reference: ESB-2017.3059 ESB-2017.3024 Original Bulletin: https://www.suse.com/support/update/announcement/2017/suse-su-20173178-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2017:3178-1 Rating: important References: #1027519 #1055047 #1061075 #1063123 #1068187 #1068191 Cross-References: CVE-2017-15289 CVE-2017-15597 Affected Products: SUSE Linux Enterprise Software Development Kit 12-SP2 SUSE Linux Enterprise Server 12-SP2 SUSE Linux Enterprise Desktop 12-SP2 ______________________________________________________________________________ An update that solves two vulnerabilities and has four fixes is now available. Description: This update for xen to version 4.7.4 (bsc#1027519) fixes several issues. This new feature was added: - Support migration of HVM domains larger than 1 TB These security issues were fixed: - bsc#1068187: Failure to recognize errors in the Populate on Demand (PoD) code allowed for DoS (XSA-246) - bsc#1068191: Missing p2m error checking in PoD code allowed unprivileged guests to retain a writable mapping of freed memory leading to information leaks, privilege escalation or DoS (XSA-247). - CVE-2017-15289: The mode4and5 write functions allowed local OS guest privileged users to cause a denial of service (out-of-bounds write access and Qemu process crash) via vectors related to dst calculation (bsc#1063123) - CVE-2017-15597: A grant copy operation being done on a grant of a dying domain allowed a malicious guest administrator to corrupt hypervisor memory, allowing for DoS or potentially privilege escalation and information leaks (bsc#1061075). This non-security issue was fixed: - bsc#1055047: Fixed --initrd-inject option in virt-install Patch Instructions: To install this SUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Software Development Kit 12-SP2: zypper in -t patch SUSE-SLE-SDK-12-SP2-2017-1987=1 - SUSE Linux Enterprise Server 12-SP2: zypper in -t patch SUSE-SLE-SERVER-12-SP2-2017-1987=1 - SUSE Linux Enterprise Desktop 12-SP2: zypper in -t patch SUSE-SLE-DESKTOP-12-SP2-2017-1987=1 To bring your system up-to-date, use "zypper patch". Package List: - SUSE Linux Enterprise Software Development Kit 12-SP2 (aarch64 x86_64): xen-debugsource-4.7.4_02-43.21.1 xen-devel-4.7.4_02-43.21.1 - SUSE Linux Enterprise Server 12-SP2 (x86_64): xen-4.7.4_02-43.21.1 xen-debugsource-4.7.4_02-43.21.1 xen-doc-html-4.7.4_02-43.21.1 xen-libs-32bit-4.7.4_02-43.21.1 xen-libs-4.7.4_02-43.21.1 xen-libs-debuginfo-32bit-4.7.4_02-43.21.1 xen-libs-debuginfo-4.7.4_02-43.21.1 xen-tools-4.7.4_02-43.21.1 xen-tools-debuginfo-4.7.4_02-43.21.1 xen-tools-domU-4.7.4_02-43.21.1 xen-tools-domU-debuginfo-4.7.4_02-43.21.1 - SUSE Linux Enterprise Desktop 12-SP2 (x86_64): xen-4.7.4_02-43.21.1 xen-debugsource-4.7.4_02-43.21.1 xen-libs-32bit-4.7.4_02-43.21.1 xen-libs-4.7.4_02-43.21.1 xen-libs-debuginfo-32bit-4.7.4_02-43.21.1 xen-libs-debuginfo-4.7.4_02-43.21.1 References: https://www.suse.com/security/cve/CVE-2017-15289.html https://www.suse.com/security/cve/CVE-2017-15597.html https://bugzilla.suse.com/1027519 https://bugzilla.suse.com/1055047 https://bugzilla.suse.com/1061075 https://bugzilla.suse.com/1063123 https://bugzilla.suse.com/1068187 https://bugzilla.suse.com/1068191 - --------------------------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 firstname.lastname@example.org 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: email@example.com 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 iQIVAwUBWiSWkIx+lLeg9Ub1AQie+A/7BFcUDMUmjwaZfGOWKX1+OCGL5slHwoa8 3oEk7YKaWbOpVEKwOg37FPV+umpv1O6gE0viyjhXA0oAE0Jv7IWZV7MQ/8mvYzs+ MmbXY3YZ4N7KFW37CBaxS5BG4kT0yDTpx/6urDqqYQjaUijGV0iPY84NRvW1QN6n Pohij+CKrVLEmJ7JryXB4rrjzo6HV/loW0IGAUMyn++oHkOxWylGVs0V6lyPBzjt 0Lcu9d3v1m9F3YMnL+u3j1f4NisxaxC3dCWXi8xXn4FXoA0lVehNXDJjJYas+DbO f782NbNx0I8DMag++QiSktEefCX/pVKDjBHeXRFapp+ctaAWaQfDrL4vBIXgnHoG oRVOTkKZsy6dQrdV089SspQLO++35DKkAG3BrtVGZC3SaZeC437LK/oTv7HGFaJ6 8he1vtXKcaiJmia+LvVA4axQcCSZ76KKiM+kFHAvivtdrVSWw2y7Bv8YoFyYK6ba wuPsRrBVBZ9mnfudzrUTcFb4+y4xX5NUkBiYhIfiULuuj2wi+CuSn0B1+RBTQi/5 BAZDpcgzpOlUe0o6tV6ySWVKmhNgEysRPtdvdWHClwp5iUlP8nHvEdRpb7Rwp6EQ XDIENPAHfdBXd0Bd1uNtFziuF2fs/pnq2BXFvenffC+ua1OXlBVuII2W4hkQLPI7 pm621fCsNcM= =7b45 -----END PGP SIGNATURE-----