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Price Tag%201security advisorybuffer overflowimportant

SUSE: 2018:2081-2 Important: Xen Security Issues and Fixes

An update that solves 5 vulnerabilities and has three fixes is now available. . SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2018:2081-2 Rating: important References: #1027519 #1087289 #1094725 #1095242 #1096224 #1097521 #1097522 #1097523 Cross-References: CVE-2018-11806 CVE-2018-12891 CVE-2018-12892 CVE-2018-12893 CVE-2018-3665 Affected Products: SUSE Linux Enterprise Server 12-SP2-BCL ______________________________________________________________________________ An update that solves 5 vulnerabilities and has three fixes is now available. Description: This update for xen fixes the following issues: Security issues fixed: - CVE-2018-12891: Fix preemption checks bypass in x86 PV MM handling (XSA-264) (bsc#1097521). - CVE-2018-12892: Fix libxl failure to honour readonly flag on HVM emulated SCSI disks (XSA-266) (bsc#1097523). - CVE-2018-12893: Fix #DB exception safety check that could be triggered by a guest (XSA-265) (bsc#1097522). - CVE-2018-11806: Fix heap buffer overflow while reassembling fragmented datagrams (bsc#1096224). - CVE-2018-3665: Fix lazy FP Save/Restore (XSA-267) (bsc#1095242). Bug fixes: - bsc#1027519: Update to Xen 4.7.6 bug fix only release. - bsc#1087289: Xen BUG at sched_credit.c:1663. - bsc#1094725: `virsh blockresize` does not work with Xen qdisks. 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: - SUSE Linux Enterprise Server 12-SP2-BCL: zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2018-1414=1 Package List: - SUSE Linux Enterprise Server 12-SP2-BCL (x86_64): xen-4.7.6_02-43.36.1 xen-debugsource-4.7.6_02-43.36.1 xen-doc-html-4.7.6_02-43.36.1 xen-libs-32bit-4.7.6_02-43.36.1 xen-libs-4.7.6_02-43.36.1 xen-libs-debuginfo-32bit-4.7.6_02-43.36.1 xen-libs-debuginfo-4.7.6_02-43.36.1 xen-tools-4.7.6_02-43.36.1 xen-tools-debuginfo-4.7.6_02-43.36.1 xen-tools-domU-4.7.6_02-43.36.1 xen-tools-domU-debuginfo-4.7.6_02-43.36.1 References: https://www.suse.com/security/cve/CVE-2018-11806.html https://www.suse.com/security/cve/CVE-2018-12891.html https://www.suse.com/security/cve/CVE-2018-12892.html https://www.suse.com/security/cve/CVE-2018-12893.html https://www.suse.com/security/cve/CVE-2018-3665.html https://bugzilla.suse.com/1027519 https://bugzilla.suse.com/1087289 https://bugzilla.suse.com/1094725 https://bugzilla.suse.com/1095242 https://bugzilla.suse.com/1096224 https://bugzilla.suse.com/1097521 https://bugzilla.suse.com/1097522 https://bugzilla.suse.com/1097523 _______________________________________________ sle-security-updates mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. http://lists.suse.com/mailman/listinfo/sle-security-updates . An urgent SUSE patch for Xen addresses vulnerabilities, including memory leaks and privilege escalations. Prompt implementation is recommended.. SUSE Update Security, Xen Security Fixes, SUSE Linux Vulnerabilities. . Severity: Important. LinuxSecurity.com Team

Calendar%202 Oct 18, 2018 •Important SuSE
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Price Tag%201security advisorycriticalFedora

Linux Mint 19: 2018-bbc927b25a Severe: Kernel Compatibility Glitch Detected

preemption checks bypassed in x86 PV MM handling [XSA-264, CVE-2018-12891] (#1595959) x86: #DB exception safety check can be triggered by a guest [XSA-265, CVE-2018-12893] (#1595958) libxl fails to honour readonly flag on HVM emulated SCSI disks [XSA-266, CVE-2018-12892] (#1595957). --------------------------------------------------------------------------------Fedora Update Notification FEDORA-2018-a7862a75f5 2018-07-03 16:49:24.958420 --------------------------------------------------------------------------------Name : xen Product : Fedora 28 Version : 4.10.1 Release : 5.fc28 URL : https://xenproject.org/ Summary : Xen is a virtual machine monitor Description : This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor --------------------------------------------------------------------------------Update Information: preemption checks bypassed in x86 PV MM handling [XSA-264, CVE-2018-12891] (#1595959) x86: #DB exception safety check can be triggered by a guest [XSA-265, CVE-2018-12893] (#1595958) libxl fails to honour readonly flag on HVM emulated SCSI disks [XSA-266, CVE-2018-12892] (#1595957) --------------------------------------------------------------------------------ChangeLog: * Wed Jun 27 2018 Michael Young - 4.10.1-5 - preemption checks bypassed in x86 PV MM handling [XSA-264, CVE-2018-12891] (#1595959) - x86: #DB exception safety check can be triggered by a guest [XSA-265, CVE-2018-12893] (#1595958) - libxl fails to honour readonly flag on HVM emulated SCSI disks [XSA-266, CVE-2018-12892] (#1595957) * Fri Jun 15 2018 Michael Young - 4.10.1-4 - Speculative register leakage from lazy FPU context switching [XSA-267, CVE-2018-3665] - fix for change in iasl output * Tue May 22 2018 Michael Young - 4.10.1-3 - Speculative Store Bypass [XSA-263, CVE-2018-3639] (with extra patches so it applies cleanly) * Tue May 8 2018 Michael Young - 4.10.1-2 - x86:mishandling of debug exceptions [XSA-260, CVE-2018-8897] - x86 vHPET interrupt injection errors [XSA-261, CVE-2018-10982] (#1576089) - qemu may drive Xen into unbounded loop [XSA-262, CVE-2018-10981] (#1576680) * Thu May 3 2018 Michael Young - 4.10.1-1 - update to xen-4.10.1 adjust xen.use.fedora.ipxe.patch and xen.fedora.efi.build.patch remove patches for issues now fixed upstream package /usr/lib/debug/usr/lib/xen/boot/xen-shim-syms * Wed Apr 25 2018 Michael Young - 4.10.0-9 - Information leak via crafted user-supplied CDROM [XSA-258, CVE-2018-10472] (#1571867) - x86: PV guest may crash Xen with XPTI [XSA-259, CVE-2018-10471] (#1571878) --------------------------------------------------------------------------------References: [ 1 ] Bug #1590984 - CVE-2018-12892 xsa-266 xen: libxl fails to honour readonly flag on HVM emulated SCSI disks https://bugzilla.redhat.com/show_bug.cgi?id=1590984 [ 2 ] Bug #1590979 - CVE-2018-12893 xen: x86 DB exception safety check can be triggered by a guest (XSA-265) https://bugzilla.redhat.com/show_bug.cgi?id=1590979 [ 3 ] Bug #1590985 - CVE-2018-12891 xen: preemption checks bypassed in x86 PV MM handling (XSA-264) https://bugzilla.redhat.com/show_bug.cgi?id=1590985 --------------------------------------------------------------------------------This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2018-a7862a75f5' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/security/ -------------------------------------------------------------------------------- _______________________________________________ package-announce mailing list -- This email address is being protected from spambots. You need JavaScript enabled to view it. To unsubscribe send an email This email address is being protected from spambots. You need JavaScript enabled to view it. Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/This email address is being protected from spambots. You need JavaScript enabled to view it./message/AMJHHOEWJUENZ5JJ3RBMCVUWTYYF4GDE/ . Fedora 28 receives a vital Xen security patch that rectifies severe vulnerabilities, such as the evasion of preemption verifications and flaws within SCSI disk operations.. Fedora Update,Xen Security,Preemption Checks,VM Management,SCSI Disk Fix. . Severity: Critical. LinuxSecurity.com Team

Calendar%202 Jul 03, 2018 •Critical Fedora
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