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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2017.1658 Security update for xen 3 July 2017 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: xen Publisher: SUSE Operating System: SUSE Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Increased Privileges -- Existing Account Denial of Service -- Existing Account Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2017-9330 CVE-2017-8309 Reference: ESB-2017.1655 ESB-2017.1263 - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2017:1742-1 Rating: important References: #1027519 #1035642 #1037243 #1042160 #1042882 #1042893 #1042915 #1042923 #1042924 #1042931 #1042938 Cross-References: CVE-2017-8309 CVE-2017-9330 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 9 fixes is now available. Description: This update for xen fixes several issues. These security issues were fixed: - Page transfer might have allowed PV guest to elevate privilege (XSA-217, bsc#1042882) - Races in the grant table unmap code allowed for informations leaks and potentially privilege escalation (XSA-218, bsc#1042893) - Insufficient reference counts during shadow emulation allowed a malicious pair of guest to elevate their privileges to the privileges that XEN runs under (XSA-219, bsc#1042915) - Missing NULL pointer check in event channel poll allows guests to DoS the host (XSA-221, bsc#1042924) - Stale P2M mappings due to insufficient error checking allowed malicious guest to leak information or elevate privileges (XSA-222, bsc#1042931) - Grant table operations mishandled reference counts allowing malicious guests to escape (XSA-224, bsc#1042938) - CVE-2017-9330: USB OHCI Emulation in qemu allowed local guest OS users to cause a denial of service (infinite loop) by leveraging an incorrect return value (bsc#1042160) - CVE-2017-8309: Memory leak in the audio/audio.c allowed remote attackers to cause a denial of service (memory consumption) by repeatedly starting and stopping audio capture (bsc#1037243) - PKRU and BND* leakage between vCPU-s might have leaked information to other guests (XSA-220, bsc#1042923) These non-security issues were fixed: - bsc#1027519: Included various upstream patches - bsc#1035642: Ensure that rpmbuild works 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-SP2-2017-1087=1 - SUSE Linux Enterprise Server 12-SP2: zypper in -t patch SUSE-SLE-SERVER-12-SP2-2017-1087=1 - SUSE Linux Enterprise Desktop 12-SP2: zypper in -t patch SUSE-SLE-DESKTOP-12-SP2-2017-1087=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-4.7.2_06-42.1 xen-devel-4.7.2_06-42.1 - SUSE Linux Enterprise Server 12-SP2 (x86_64): xen-4.7.2_06-42.1 xen-debugsource-4.7.2_06-42.1 xen-doc-html-4.7.2_06-42.1 xen-libs-32bit-4.7.2_06-42.1 xen-libs-4.7.2_06-42.1 xen-libs-debuginfo-32bit-4.7.2_06-42.1 xen-libs-debuginfo-4.7.2_06-42.1 xen-tools-4.7.2_06-42.1 xen-tools-debuginfo-4.7.2_06-42.1 xen-tools-domU-4.7.2_06-42.1 xen-tools-domU-debuginfo-4.7.2_06-42.1 - SUSE Linux Enterprise Desktop 12-SP2 (x86_64): xen-4.7.2_06-42.1 xen-debugsource-4.7.2_06-42.1 xen-libs-32bit-4.7.2_06-42.1 xen-libs-4.7.2_06-42.1 xen-libs-debuginfo-32bit-4.7.2_06-42.1 xen-libs-debuginfo-4.7.2_06-42.1 References: https://www.suse.com/security/cve/CVE-2017-8309.html https://www.suse.com/security/cve/CVE-2017-9330.html https://bugzilla.suse.com/1027519 https://bugzilla.suse.com/1035642 https://bugzilla.suse.com/1037243 https://bugzilla.suse.com/1042160 https://bugzilla.suse.com/1042882 https://bugzilla.suse.com/1042893 https://bugzilla.suse.com/1042915 https://bugzilla.suse.com/1042923 https://bugzilla.suse.com/1042924 https://bugzilla.suse.com/1042931 https://bugzilla.suse.com/1042938 - --------------------------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: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== 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 iQIVAwUBWVl9oox+lLeg9Ub1AQjIHA//YDrFs5oiSzU6ifCOYp/PhwB7PvrDao32 saEqN0M+ANtGUMeYWgQ34/PWK0V6F74en04TnqSFzC6C7+oxmK2xQaQ75mLAR4e9 pK2AwHCxWvwDkNoEwkSSlqPo9qvzfP59fRNljrtiFtgR7qov4WT3N+DKM/8Kf1AP 6ERruMM25oJtoYZSQZkVt+sbWFFL70NNT7rh7KGY6Cg4ux0PNdjdhJ5usJ9Q31j5 NOgddKz0t4k7t16qnaii3wG4PT/e3DBCxVSOdvBMeBE2Tck0MIaG/98gjypFSSO5 lj27L+AEEMvEIh4mhZRxX67yH88zbFv1wtwzvK1gkI5wvwx9k4FxN30vOtJ6fvWg UlrhfwBOTSXCKBBFRGxmnLF5IjQPY7G5+agZpKd6BrIdTlkaBXKnTt0MAemSd6zG ESciZ6tDvFFNztqLgYiw7eQPVZfm1d6WO8e9Pmzg8V72gcYJjujuxCZu3PJjkfoh PgvZcgNaWr7B19ZQ2Uvpw3W56iVnso1wlxViinhdPeBUAzYakiu/LQhxk8ruAgAP 2boUor6nWLwzRsO2LALXHFjudjwGso87w3aKEmigo8kofVMlmrYqc2fGqr1gOyhl jkIPWh/I83wuQhwuCzHIhGkBaKg6SwrrMXN44+7y+QuJz/P+gJD+YNQh0X2fypcr Bpv8h5U99RI= =MRNZ -----END PGP SIGNATURE-----