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[{"id":483,"title":"Self-taught through trial and error","votes":549,"type":"x","order":1,"pct":78.54,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.29,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.86,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.3,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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89

Fedora 22: 2015-9456 Moderate: Xen Issues Related To PCI Exposure

replace deprecated gnutls use in qemu-xen-traditional based on qemu-xen patches, work around a gcc 5 bug, Potential unintended writes to host MSI message data field via qemu [XSA-128, CVE-2015-4103], PCI MSI mask bits inadvertently exposed to guests [XSA-129,. -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2015-9456 2015-06-05 16:26:49 -------------------------------------------------------------------------------- Name : xen Product : Fedora 22 Version : 4.5.0 Release : 10.fc22 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: replace deprecated gnutls use in qemu-xen-traditional based on qemu-xen patches, work around a gcc 5 bug, Potential unintended writes to host MSI message data field via qemu [XSA-128, CVE-2015-4103], PCI MSI mask bits inadvertently exposed to guests [XSA-129, CVE-2015-4104], Guest triggerable qemu MSI-X pass-through error messages [XSA-130, CVE-2015-4105], Unmediated PCI register access in qemu [XSA-131, CVE-2015-4106] -------------------------------------------------------------------------------- ChangeLog: * Tue Jun 2 2015 Michael Young - 4.5.0-10 - replace deprecated gnutls use in qemu-xen-traditional based on qemu-xen patches - work around a gcc 5 bug - Potential unintended writes to host MSI message data field via qemu [XSA-128, CVE-2015-4103] - PCI MSI mask bits inadvertently exposed to guests [XSA-129, CVE-2015-4104] - Guest triggerable qemu MSI-X pass-through error messages [XSA-130, CVE-2015-4105] - Unmediated PCI register access in qemu [XSA-131, CVE-2015-4106] * Wed May 13 2015 Michael Young - 4.5.0-9 - Privilege escalation via emulated floppy disk drive [XSA-133, CVE-2015-3456](#1221153) -------------------------------------------------------------------------------- References: [ 1 ] Bug #1223846 - CVE-2015-4103 xen: potential unintended writes to host MSI message data field via qemu (xsa-128) https://bugzilla.redhat.com/show_bug.cgi?id=1223846 [ 2 ] Bug #1223851 - CVE-2015-4104 xen: PCI MSI mask bits inadvertently exposed to guests (xsa-129) https://bugzilla.redhat.com/show_bug.cgi?id=1223851 [ 3 ] Bug #1223853 - xen: guest triggerable qemu MSI-X pass-through error messages (xsa-130) https://bugzilla.redhat.com/show_bug.cgi?id=1223853 [ 4 ] Bug #1223859 - xen: unmediated PCI register access in qemu (xsa-131) https://bugzilla.redhat.com/show_bug.cgi?id=1223859 -------------------------------------------------------------------------------- This update can be installed with the "yum" update program. Use su -c 'yum update xen' at the command line. For more information, refer to "Managing Software with yum", available at . 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. https://lists.fedoraproject.org/admin/lists/package-announce.lists.fedoraproject.org/ . Fedora 22 has rolled out a vital security patch for Xen addressing several severe vulnerabilities, including accidental data overwrites and PCI insecurity.. Fedora Security Update,Xen Security Issues,Qemu Security Updates,PCI Exposure. . Severity: Important. LinuxSecurity.com Team

Calendar 2 Jun 14, 2015 Important Fedora
89

Fedora 20: 2015-5402 Critical Update for Xen Host Lock and PCI Issues

Long latency MMIO mapping operations are not preemptible [XSA-125, CVE-2015-2752] Unmediated PCI command register access in qemu [XSA-126, CVE-2015-2756] Certain domctl operations may be abused to lock up the host [XSA-127, CVE-2015-2751] update to xen-4.3.4. -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2015-5402 2015-04-02 11:44:17 -------------------------------------------------------------------------------- Name : xen Product : Fedora 20 Version : 4.3.4 Release : 2.fc20 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: Long latency MMIO mapping operations are not preemptible [XSA-125, CVE-2015-2752] Unmediated PCI command register access in qemu [XSA-126, CVE-2015-2756] Certain domctl operations may be abused to lock up the host [XSA-127, CVE-2015-2751] update to xen-4.3.4 -------------------------------------------------------------------------------- ChangeLog: * Tue Mar 31 2015 Michael Young - 4.3.4-2 - Long latency MMIO mapping operations are not preemptible [XSA-125, CVE-2015-2752] (#1207741) - Unmediated PCI command register access in qemu [XSA-126, CVE-2015-2756] (#1307738) - Certain domctl operations may be abused to lock up the host [XSA-127, CVE-2015-2751] (#1207739) * Mon Mar 23 2015 Michael Young - 4.3.4-1 - update to xen-4.3.4 remove patches for fixes that are now included * Thu Mar 12 2015 Michael Young - 4.3.3-12 - HVM qemu unexpectedly enabling emulated VGA graphics backends [XSA-119, CVE-2015-2152] (#1201365) * Wed Mar 11 2015 Michael Young - 4.3.3-11 - Hypervisor memory corruption due to x86 emulator flaw [XSA-123, CVE-2015-2151] (#1200398) * Thu Mar 5 2015 Michael Young - 4.3.3-10 - Informationleak via internal x86 system device emulation [XSA-121, CVE-2015-2044] - Information leak through version information hypercall [XSA-122, CVE-2015-2045] * Tue Jan 6 2015 Michael Young - 4.3.3-9 - xen crash due to use after free on hvm guest teardown [XSA-116, CVE-2015-0361] (#1179221) * Tue Dec 16 2014 Michael Young - 4.3.3-8 - fix xendomains issue introduced by xl migrate --debug patch * Mon Dec 8 2014 Michael Young - 4.3.3-7 - p2m lock starvation [XSA-114, CVE-2014-9065] - fix build with --without xsm * Thu Nov 27 2014 Michael Young - 4.3.3-6 - Excessive checking in compatibility mode hypercall argument translation [XSA-111, CVE-2014-8866] - Insufficient bounding of "REP MOVS" to MMIO emulated inside the hypervisor [XSA-112, CVE-2014-8867] - fix segfaults and failures in xl migrate --debug (#1166461) * Thu Nov 20 2014 Michael Young - 4.3.3-5 - Guest effectable page reference leak in MMU_MACHPHYS_UPDATE handling [XSA-113, CVE-2014-9030] (#1166914) * Wed Nov 19 2014 Michael Young - 4.3.3-4 - Insufficient restrictions on certain MMU update hypercalls [XSA-109, CVE-2014-8594] (#1165205) - Missing privilege level checks in x86 emulation of far branches [XSA-110, CVE-2014-8595] (#1165204) - Add fix for CVE-2014-0150 to qemu-dm, though it probably isn't exploitable from xen (#1086776) * Wed Oct 1 2014 Michael Young - 4.3.3-3 - Improper MSR range used for x2APIC emulation [XSA-108, CVE-2014-7188] (#1148465) * Tue Sep 23 2014 Michael Young - 4.3.3-2 - Race condition in HVMOP_track_dirty_vram [XSA-104, CVE-2014-7154] (#1145736) - Missing privilege level checks in x86 HLT, LGDT, LIDT, and LMSW emulation [XSA-105, CVE-2014-7155] (#1145737) - Missing privilege level checks in x86 emulation of software interrupts [XSA-106, CVE-2014-7156] (#1145738) * Tue Sep 2 2014 Michael Young - 4.3.3-1 - update to xen-4.3.3 remove patches for fixes that are now included * Wed Aug 13 2014 Michael Young - 4.3.2-7 - Long latency virtual-mmu operations are not preemptible [XSA-97, CVE-2014-5146] * FriJun 20 2014 Michael Young - 4.3.2-6 - Hypervisor heap contents leaked to guest [XSA-100, CVE-2014-4021] (#1110316) with extra patch to avoid regression * Sun Jun 15 2014 Michael Young - 4.3.2-5 - Fix %if line typo in the spec file - Vulnerabilities in HVM MSI injection [XSA-96, CVE-2014-3967,CVE-2014-3968] (#1104583) * Sun May 11 2014 Michael Young - 4.3.2-4 - add systemd preset support (#1094938) * Thu May 1 2014 Michael Young - 4.3.2-3 - HVMOP_set_mem_type allows invalid P2M entries to be created [XSA-92, CVE-2014-3124] (#1093315) * Wed Mar 26 2014 Michael Young - 4.3.2-2 - HVMOP_set_mem_access is not preemptible [XSA-89, CVE-2014-2599] (#1080425) * Tue Feb 18 2014 Michael Young - 4.3.2-1 - update to xen-4.3.2 includes fix for "Excessive time to disable caching with HVM guests with PCI passthrough" [XSA-60, CVE-2013-2212] (#987914) - remove patches that are now included * Wed Feb 12 2014 Michael Young - 4.3.1-10 - use-after-free in xc_cpupool_getinfo() under memory pressure [XSA-88, CVE-2014-1950] (#1064491) * Thu Feb 6 2014 Michael Young - 4.3.1-9 - integer overflow in several XSM/Flask hypercalls [XSA-84, CVE-2014-1891, CVE-2014-1892, CVE-2014-1893, CVE-2014-1894] Off-by-one error in FLASK_AVC_CACHESTAT hypercall [XSA-85, CVE-2014-1895] libvchan failure handling malicious ring indexes [XSA-86, CVE-2014-1896] (#1062335) * Fri Jan 24 2014 Michael Young - 4.3.1-8 - PHYSDEVOP_{prepare,release}_msix exposed to unprivileged pv guests [XSA-87, CVE-2014-1666] (#1058398) * Thu Jan 23 2014 Michael Young - 4.3.1-7 - Out-of-memory condition yielding memory corruption during IRQ setup [XSA-83, CVE-2014-1642] (#1057142) * Wed Dec 11 2013 Michael Young - 4.3.1-6 - Disaggregated domain management security status update [XSA-77] - IOMMU TLB flushing may be inadvertently suppressed [XSA-80, CVE-2013-6400] (#1040024) * Mon Dec 2 2013 Michael Young - 4.3.1-5 - HVM guest triggerable AMD CPU erratum may cause host hang [XSA-82, CVE-2013-6885] * Tue Nov 26 2013Michael Young - 4.3.1-4 - Lock order reversal between page_alloc_lock and mm_rwlock [XSA-74, CVE-2013-4553] (#1034925) - Hypercalls exposed to privilege rings 1 and 2 of HVM guests [XSA-76, CVE-2013-4554] (#1034923) * Thu Nov 21 2013 Michael Young - 4.3.1-3 - Insufficient TLB flushing in VT-d (iommu) code [XSA-78, CVE-2013-6375] (#1033149) -------------------------------------------------------------------------------- References: [ 1 ] Bug #1203737 - CVE-2015-2756 xen: unmediated PCI command register access in qemu (xsa126) https://bugzilla.redhat.com/show_bug.cgi?id=1203737 [ 2 ] Bug #1203732 - CVE-2015-2752 xen: long latency MMIO mapping operations are not preemptible (xsa125) https://bugzilla.redhat.com/show_bug.cgi?id=1203732 [ 3 ] Bug #1203745 - CVE-2015-2751 xen: certain domctl operations may be abused to lock up the host https://bugzilla.redhat.com/show_bug.cgi?id=1203745 -------------------------------------------------------------------------------- This update can be installed with the "yum" update program. Use su -c 'yum update xen' at the command line. For more information, refer to "Managing Software with yum", available at . 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. https://lists.fedoraproject.org/admin/lists/package-announce.lists.fedoraproject.org/ . Important kernel security patch for Fedora 20 resolves various exploits and enhances system efficiency.. Fedora 20 Xen Update, Security Patch, Unmediated PCI, MMIO Mapping. . Severity: Critical. LinuxSecurity.com Team

Calendar 2 Apr 11, 2015 Critical Fedora
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[{"id":483,"title":"Self-taught through trial and error","votes":549,"type":"x","order":1,"pct":78.54,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.29,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.86,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.3,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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