{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"important"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"Security update for xen","title":"Title of the patch"},{"category":"description","text":"\nThis update for xen fixes several issues.\n\nThese security issues were fixed:\n\n- CVE-2017-2620: In CIRRUS_BLTMODE_MEMSYSSRC mode the bitblit copy routine cirrus_bitblt_cputovideo failed to check the memory region, allowing for an out-of-bounds write that allows for privilege escalation (bsc#1024834).\n- CVE-2017-2615: An error in the bitblt copy operation could have allowed a malicious guest administrator to cause an out of bounds memory access, possibly leading to information disclosure or privilege escalation (bsc#1023004).\n- A malicious guest could have, by frequently rebooting over extended periods of time, run the host system out of memory, resulting in a Denial of Service (DoS) (bsc#1022871)\n- CVE-2016-9921: The Cirrus CLGD 54xx VGA Emulator support was vulnerable to a divide by zero issue while copying VGA data. A privileged user inside guest could have used this flaw to crash the process instance on the host, resulting in DoS (bsc#1015169\n\nThese non-security issues were fixed:\n\n- bsc#1000195: Prevent panic on CPU0 while booting on SLES 11 SP3 \n- bsc#1002496: Added support for reloading clvm in block-dmmd block-dmmd\n- bsc#1005028: Fixed building Xen RPMs from Sources\n","title":"Description of the patch"},{"category":"details","text":"SUSE-SLE-DESKTOP-12-SP2-2017-296,SUSE-SLE-SDK-12-SP2-2017-296,SUSE-SLE-SERVER-12-SP2-2017-296","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"SUSE ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"self","summary":"URL of this CSAF notice","url":"https://ftp.suse.com/pub/projects/security/csaf/suse-su-2017_0571-1.json"},{"category":"self","summary":"URL for SUSE-SU-2017:0571-1","url":"https://www.suse.com/support/update/announcement/2017/suse-su-20170571-1/"},{"category":"self","summary":"E-Mail link for SUSE-SU-2017:0571-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2017-February/002667.html"},{"category":"self","summary":"SUSE Bug 1000195","url":"https://bugzilla.suse.com/1000195"},{"category":"self","summary":"SUSE Bug 1002496","url":"https://bugzilla.suse.com/1002496"},{"category":"self","summary":"SUSE Bug 1005028","url":"https://bugzilla.suse.com/1005028"},{"category":"self","summary":"SUSE Bug 1012651","url":"https://bugzilla.suse.com/1012651"},{"category":"self","summary":"SUSE Bug 1014298","url":"https://bugzilla.suse.com/1014298"},{"category":"self","summary":"SUSE Bug 1014300","url":"https://bugzilla.suse.com/1014300"},{"category":"self","summary":"SUSE Bug 1015169","url":"https://bugzilla.suse.com/1015169"},{"category":"self","summary":"SUSE Bug 1016340","url":"https://bugzilla.suse.com/1016340"},{"category":"self","summary":"SUSE Bug 1022871","url":"https://bugzilla.suse.com/1022871"},{"category":"self","summary":"SUSE Bug 1023004","url":"https://bugzilla.suse.com/1023004"},{"category":"self","summary":"SUSE Bug 1024834","url":"https://bugzilla.suse.com/1024834"},{"category":"self","summary":"SUSE CVE CVE-2016-9921 page","url":"https://www.suse.com/security/cve/CVE-2016-9921/"},{"category":"self","summary":"SUSE CVE CVE-2016-9922 page","url":"https://www.suse.com/security/cve/CVE-2016-9922/"},{"category":"self","summary":"SUSE CVE CVE-2017-2615 page","url":"https://www.suse.com/security/cve/CVE-2017-2615/"},{"category":"self","summary":"SUSE CVE CVE-2017-2620 page","url":"https://www.suse.com/security/cve/CVE-2017-2620/"}],"title":"Security update 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Page","text":"https://www.suse.com/security/cve/CVE-2016-9921"}],"notes":[{"category":"general","text":"Quick emulator (Qemu) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to a divide by zero issue. It could occur while copying VGA data when cirrus graphics mode was set to be VGA. A privileged user inside guest could use this flaw to crash the Qemu process instance on the host, resulting in DoS.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Desktop 12 SP2:xen-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Desktop 12 SP2:xen-libs-32bit-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Desktop 12 SP2:xen-libs-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-doc-html-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-libs-32bit-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-libs-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-tools-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-tools-domU-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP2:xen-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP2:xen-doc-html-4.7.1_06-31.1.x86_64","SUSE Linux 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SP2:xen-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP2:xen-doc-html-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP2:xen-libs-32bit-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP2:xen-libs-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP2:xen-tools-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP2:xen-tools-domU-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Software Development Kit 12 SP2:xen-devel-4.7.1_06-31.1.aarch64","SUSE Linux Enterprise Software Development Kit 12 SP2:xen-devel-4.7.1_06-31.1.x86_64"]}],"threats":[{"category":"impact","date":"2017-02-27T12:57:38Z","details":"moderate"}],"title":"CVE-2016-9922"},{"cve":"CVE-2017-2615","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2017-2615"}],"notes":[{"category":"general","text":"Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Desktop 12 SP2:xen-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Desktop 12 SP2:xen-libs-32bit-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Desktop 12 SP2:xen-libs-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-doc-html-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-libs-32bit-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-libs-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-tools-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-tools-domU-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP2:xen-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server for 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CVE-2017-2615","url":"https://bugzilla.suse.com/1178658"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Desktop 12 SP2:xen-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Desktop 12 SP2:xen-libs-32bit-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Desktop 12 SP2:xen-libs-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-doc-html-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-libs-32bit-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-libs-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-tools-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-tools-domU-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP2:xen-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 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SP2:xen-devel-4.7.1_06-31.1.aarch64","SUSE Linux Enterprise Software Development Kit 12 SP2:xen-devel-4.7.1_06-31.1.x86_64"]}],"threats":[{"category":"impact","date":"2017-02-27T12:57:38Z","details":"moderate"}],"title":"CVE-2017-2615"},{"cve":"CVE-2017-2620","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2017-2620"}],"notes":[{"category":"general","text":"Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Desktop 12 SP2:xen-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Desktop 12 SP2:xen-libs-32bit-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Desktop 12 SP2:xen-libs-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-doc-html-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-libs-32bit-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-libs-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-tools-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-tools-domU-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP2:xen-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 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CVE-2017-2620","url":"https://bugzilla.suse.com/1178658"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Desktop 12 SP2:xen-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Desktop 12 SP2:xen-libs-32bit-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Desktop 12 SP2:xen-libs-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-doc-html-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-libs-32bit-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-libs-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-tools-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 12 SP2:xen-tools-domU-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server for SAP Applications 12 SP2:xen-4.7.1_06-31.1.x86_64","SUSE Linux Enterprise Server 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SP2:xen-devel-4.7.1_06-31.1.aarch64","SUSE Linux Enterprise Software Development Kit 12 SP2:xen-devel-4.7.1_06-31.1.x86_64"]}],"threats":[{"category":"impact","date":"2017-02-27T12:57:38Z","details":"moderate"}],"title":"CVE-2017-2620"}]}