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89
security advisorymoderateupdateFedora 27: 2018-fe24359b69 Moderate: HLE Constructs Host Lockup
guest use of HLE constructs may lock up host [XSA-282]. --------------------------------------------------------------------------------Fedora Update Notification FEDORA-2018-fe24359b69 2018-11-25 02:03:23.555613 --------------------------------------------------------------------------------Name : xen Product : Fedora 27 Version : 4.9.3 Release : 3.fc27 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: guest use of HLE constructs may lock up host [XSA-282] --------------------------------------------------------------------------------ChangeLog: * Tue Nov 6 2018 Michael Young - 4.9.3-3 - guest use of HLE constructs may lock up host [XSA-282] * Thu Oct 25 2018 Michael Young - 4.9.3-2 - x86: Nested VT-x usable even when disabled [XSA-278, CVE-2018-18883] (#1643118) * Tue Sep 25 2018 Michael Young - 4.9.3-1 - update to 4.9.3 adjust xen.use.fedora.ipxe.patch remove patches for issues now fixed upstream * Wed Aug 15 2018 Michael Young - 4.9.2-7 - L1 Terminal Fault speculative side channel patch bundle [XSA-273, CVE-2018-3620, CVE-2018-3646] drop patches also in the bundle, which also includes Use of v2 grant tables may cause crash on ARM [XSA-268, CVE-2018-15469] (#1616081) x86: Incorrect MSR_DEBUGCTL handling lets guests enable BTS [XSA-269, CVE-2018-15468] (#1616077) oxenstored does not apply quota-maxentity [XSA-272, CVE-2018-15470] (#1616080) * Wed Jun 27 2018 Michael Young - 4.9.2-6 - 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) * Sat Jun 16 2018 Michael Young - 4.9.2-5 - 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 - 4.9.2-4 - Speculative Store Bypass [XSA-263, CVE-2018-3639] (with extra patches so it applies cleanly) * Wed May 9 2018 Michael Young - 4.9.2-3 - x86: mishandling of debug exceptions [XSA-260, CVE-2018-8897] (with extra patch so it applies cleanly) - x86 vHPET interrupt injection errors [XSA-261, CVE-2018-10982] (#1576089) - qemu may drive Xen into unbounded loop [XSA-262, CVE-2018-10981] (#1576680) * Wed Apr 25 2018 Michael Young - 4.9.2-2 - Information leak via crafted user-supplied CDROM [XSA-258] (#1571867) - x86: PV guest may crash Xen with XPTI [XSA-259] (#1571878) * Wed Apr 4 2018 Michael Young - 4.9.2-1 - update to 4.9.2 adjust xen.use.fedora.ipxe.patch remove patches for issues now fixed upstream * Tue Feb 27 2018 Michael Young - 4.9.1-5 - add Xen page-table isolation (XPTI) mitigation and Branch Target Injection (BTI) mitigation for XSA-254 - DoS via non-preemptable L3/L4 pagetable freeing [XSA-252, CVE-2018-7540] (#1549568) - grant table v2 -> v1 transition may crash Xen [XSA-255, CVE-2018-7541] (#1549570) - x86 PVH guest without LAPIC may DoS the host [XSA-256, CVE-2018-7542] (#1549572) * Tue Dec 12 2017 Michael Young - 4.9.1-4 - another patch related to the [XSA-240, CVE-2017-15595] issue - xen: various flaws (#1525018) x86 PV guests may gain access to internally used page [XSA-248, CVE-2017-17566] broken x86 shadow mode refcount overflow check [XSA-249, CVE-2017-17563] improper x86 shadow mode refcount error handling [XSA-250, CVE-2017-17564] improper bug check in x86 log-dirty handling [XSA-251, CVE-2017-17565] * Sat Dec 2 2017 Richard W.M. Jones - 4.9.1-3 - OCaml 4.06.0 rebuild. * Tue Nov 28 2017 Michael Young - 4.9.1-2 - xen: various flaws (#1518214) x86: infinite loop dueto missing PoD error checking [XSA-246, CVE-2017-17044] Missing p2m error checking in PoD code [XSA-247, CVE-2017-17045] * Thu Nov 23 2017 Michael Young - 4.9.1-1 - update to 4.9.1 (#1515818) adjust xen.use.fedora.ipxe.patch and qemu.git-fec5e8c92becad223df9d972770522f64aafdb72.patch remove patches for issues now fixed upstream and parts of xen.gcc7.fix.patch update xen.hypervisor.config - update Source0 location * Wed Nov 15 2017 Michael Young - 4.9.0-14 - fix an issue in patch for [XSA-240, CVE-2017-15595] that might be a security issue - fix for [XSA-243, CVE-2017-15592] could cause hypervisor crash (DOS) * Thu Oct 26 2017 Michael Young - 4.9.0-13 - pin count / page reference race in grant table code [XSA-236, CVE-2017-15597] (#1506693) * Thu Oct 12 2017 Michael Young - 4.9.0-12 - xen: various flaws (#1501391) multiple MSI mapping issues on x86 [XSA-237, CVE-2017-15590] DMOP map/unmap missing argument checks [XSA-238, CVE-2017-15591] hypervisor stack leak in x86 I/O intercept code [XSA-239, CVE-2017-15589] Unlimited recursion in linear pagetable de-typing [XSA-240, CVE-2017-15595] Stale TLB entry due to page type release race [XSA-241, CVE-2017-15588] page type reference leak on x86 [XSA-242, CVE-2017-15593] x86: Incorrect handling of self-linear shadow mappings with translated guests [XSA-243, CVE-2017-15592] x86: Incorrect handling of IST settings during CPU hotplug [XSA-244, CVE-2017-15594] --------------------------------------------------------------------------------This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2018-fe24359b69' 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 foundat https://fedoraproject.org/security/ --------------------------------------------------------------------------------_______________________________________________ package-announce mailing list --
Nov 25, 2018
•Important
Fedora
89
security advisoryfedoraxenFedora 29: FEDORA-2018-8e457298ce moderate: xen host lockup
guest use of HLE constructs may lock up host [XSA-282]. --------------------------------------------------------------------------------Fedora Update Notification FEDORA-2018-8e457298ce 2018-11-14 03:11:43.672748 --------------------------------------------------------------------------------Name : xen Product : Fedora 29 Version : 4.11.0 Release : 9.fc29 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: guest use of HLE constructs may lock up host [XSA-282] --------------------------------------------------------------------------------ChangeLog: * Tue Nov 6 2018 Michael Young - 4.11.0-9 - guest use of HLE constructs may lock up host [XSA-282] * Wed Oct 24 2018 Michael Young - 4.11.0-8 - x86: Nested VT-x usable even when disabled [XSA-278, CVE-2018-18883] (#1643118) --------------------------------------------------------------------------------This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2018-8e457298ce' 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 --
Nov 14, 2018
Fedora
100
security advisoryimportantlocal accessSUSE: 2018:2410-2 Important: Xen Information Disclosure and Host Lockup
An update that solves one vulnerability and has two fixes is now available. . SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2018:2410-2 Rating: important References: #1027519 #1091107 #1103276 Cross-References: CVE-2018-3646 Affected Products: SUSE Linux Enterprise Server 12-SP2-BCL ______________________________________________________________________________ An update that solves one vulnerability and has two fixes is now available. Description: This update for xen fixes the following security issues: - CVE-2018-3646: Systems with microprocessors utilizing speculative execution and address translations may have allowed unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest OS privilege via a terminal page fault and a side-channel analysis (bsc#1091107, bsc#1027519). - Incorrect MSR_DEBUGCTL handling let guests enable BTS allowing a malicious or buggy guest administrator can lock up the entire host (bsc#1103276) 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-2018-1664=1 Package List: - SUSE Linux Enterprise Server 12-SP2-BCL (x86_64): xen-4.7.6_04-43.39.1 xen-debugsource-4.7.6_04-43.39.1 xen-doc-html-4.7.6_04-43.39.1 xen-libs-32bit-4.7.6_04-43.39.1 xen-libs-4.7.6_04-43.39.1 xen-libs-debuginfo-32bit-4.7.6_04-43.39.1 xen-libs-debuginfo-4.7.6_04-43.39.1 xen-tools-4.7.6_04-43.39.1 xen-tools-debuginfo-4.7.6_04-43.39.1 xen-tools-domU-4.7.6_04-43.39.1 xen-tools-domU-debuginfo-4.7.6_04-43.39.1 References: https://www.suse.com/security/cve/CVE-2018-3646.html https://bugzilla.suse.com/1027519 https://bugzilla.suse.com/1091107 https://bugzilla.suse.com/1103276 _______________________________________________ sle-security-updates mailing list
Oct 18, 2018
•Important
SuSE
89
security advisoryupdateFedoraFedora 21: 2015-5208 Security Advisory: Critical Xen Issues Identified
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-4.4.2. -------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2015-5208 2015-04-01 21:09:13 -------------------------------------------------------------------------------- Name : xen Product : Fedora 21 Version : 4.4.2 Release : 2.fc21 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-4.4.2 -------------------------------------------------------------------------------- ChangeLog: * Tue Mar 31 2015 Michael Young - 4.4.2-2 - 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 - 4.4.2-1 - update to xen-4.4.2 remove patches for fixes that are now included * Fri Mar 13 2015 Michael Young - 4.4.1-16 - Additional patch for XSA-98 on arm64 * Thu Mar 12 2015 Michael Young - 4.4.1-15 - HVM qemu unexpectedly enabling emulated VGA graphics backends [XSA-119, CVE-2015-2152] (#1201365) * Wed Mar 11 2015 Michael Young - 4.4.1-14 - Hypervisor memory corruption due to x86 emulator flaw[XSA-123, CVE-2015-2151] (#1200398) * Thu Mar 5 2015 Michael Young - 4.4.1-13 - enable building pngs from fig files which is working again - fix oxenstored.service preset preuninstall script - arm: vgic: incorrect rate limiting of guest triggered logging [XSA-118, CVE-2015-1563] (#1187153) - Information leak 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 - 4.4.1-12 - xen crash due to use after free on hvm guest teardown [XSA-116, CVE-2015-0361] (#1179221) * Tue Dec 16 2014 Michael Young - 4.4.1-11 - fix xendomains issue introduced by xl migrate --debug patch * Mon Dec 8 2014 Michael Young - 4.4.1-10 - p2m lock starvation [XSA-114, CVE-2014-9065] - fix build with --without xsm * Thu Nov 27 2014 Michael Young - 4.4.1-9 - 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 - 4.4.1-8 - Guest effectable page reference leak in MMU_MACHPHYS_UPDATE handling [XSA-113, CVE-2014-9030] (#1166914) * Tue Nov 18 2014 Michael Young - 4.4.1-7 - 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) -------------------------------------------------------------------------------- References: [ 1 ] Bug #1203732 - CVE-2015-2752 xen: long latency MMIO mapping operations are not preemptible (xsa125) https://bugzilla.redhat.com/show_bug.cgi?id=1203732 [ 2 ] Bug #1203737 - CVE-2015-2756 xen: unmediated PCI command register access in qemu (xsa126) https://bugzilla.redhat.com/show_bug.cgi?id=1203737 [ 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
Apr 11, 2015
•Critical
Fedora
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