-------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2019-bce6498890 2019-03-21 21:08:05.034360 --------------------------------------------------------------------------------
Name : xen Product : Fedora 28 Version : 4.10.3 Release : 2.fc28 URL : http://xen.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:
xen: various flaws (#1685577) grant table transfer issues on large hosts [XSA-284] race with pass-through device hotplug [XSA-285] x86: steal_page violates page_struct access discipline [XSA-287] x86: Inconsistent PV IOMMU discipline [XSA-288] missing preemption in x86 PV page table unvalidation [XSA-290] x86/PV: page type reference counting issue with failed IOMMU update [XSA-291] x86: insufficient TLB flushing when using PCID [XSA-292] x86: PV kernel context switch corruption [XSA-293] x86 shadow: Insufficient TLB flushing when using PCID [XSA-294] ---- update to xen-4.10.3 ---- - insufficient TLB flushing / improper large page mappings with AMD IOMMUs [XSA-275] (#1651665) - x86: DoS from attempting to use INVPCID with a non-canonical addresses [XSA-279] - Fix for XSA-240 conflicts with shadow paging [XSA-280] ---- guest use of HLE constructs may lock up host [XSA-282] -------------------------------------------------------------------------------- ChangeLog:
* Tue Mar 5 2019 Michael Young m.a.young@durham.ac.uk - 4.10.3-2 - xen: various flaws (#1685577) grant table transfer issues on large hosts [XSA-284] race with pass-through device hotplug [XSA-285] x86: steal_page violates page_struct access discipline [XSA-287] x86: Inconsistent PV IOMMU discipline [XSA-288] missing preemption in x86 PV page table unvalidation [XSA-290] x86/PV: page type reference counting issue with failed IOMMU update [XSA-291] x86: insufficient TLB flushing when using PCID [XSA-292] x86: PV kernel context switch corruption [XSA-293] x86 shadow: Insufficient TLB flushing when using PCID [XSA-294] * Tue Feb 26 2019 Michael Young m.a.young@durham.ac.uk - 4.10.3-1 - update to xen-4.10.3 adjust xen.use.fedora.ipxe.patch drop most of xen.fedora.efi.build.patch and let efi build on i686 remove patches for issues now fixed upstream * Tue Nov 20 2018 Michael Young m.a.young@durham.ac.uk - 4.10.2-4 - insufficient TLB flushing / improper large page mappings with AMD IOMMUs [XSA-275, CVE-2018-19961, CVE-2018-19962] (#1651665) - x86: DoS from attempting to use INVPCID with a non-canonical addresses [XSA-279, CVE-2018-19965] (#1651970) - Fix for XSA-240 conflicts with shadow paging [XSA-280, CVE-2018-19966] (#1652251) * Tue Nov 6 2018 Michael Young m.a.young@durham.ac.uk - 4.10.2-3 - guest use of HLE constructs may lock up host [XSA-282, CVE-2018-19967] * Thu Oct 25 2018 Michael Young m.a.young@durham.ac.uk - 4.10.2-2 - x86: Nested VT-x usable even when disabled [XSA-278, CVE-2018-18883] (#1643118) * Tue Sep 25 2018 Michael Young m.a.young@durham.ac.uk - 4.10.2-1 - update to xen-4.10.2 adjust xen.use.fedora.ipxe.patch remove patches for issues now fixed upstream * Wed Aug 15 2018 Michael Young m.a.young@durham.ac.uk - 4.10.1-6 - 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 m.a.young@durham.ac.uk - 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 m.a.young@durham.ac.uk - 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 m.a.young@durham.ac.uk - 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 m.a.young@durham.ac.uk - 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 m.a.young@durham.ac.uk - 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 m.a.young@durham.ac.uk - 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 #1679321 - xen: xsa288: Inconsistent PV IOMMU discipline https://bugzilla.redhat.com/show_bug.cgi?id=1679321 [ 2 ] Bug #1679326 - xen: xsa292: insufficient TLB flushing when using PCID https://bugzilla.redhat.com/show_bug.cgi?id=1679326 [ 3 ] Bug #1679327 - xen: xsa293: PV kernel context switch corruption https://bugzilla.redhat.com/show_bug.cgi?id=1679327 [ 4 ] Bug #1679328 - xen: xsa287: steal_page violates page_struct access discipline https://bugzilla.redhat.com/show_bug.cgi?id=1679328 [ 5 ] Bug #1679332 - xen: xsa285: race with pass-through device hotplug https://bugzilla.redhat.com/show_bug.cgi?id=1679332 [ 6 ] Bug #1679334 - xen: xsa290: missing preemption in x86 PV page table unvalidation https://bugzilla.redhat.com/show_bug.cgi?id=1679334 [ 7 ] Bug #1683956 - xen: xsa294: Insufficient TLB flushing when using PCID https://bugzilla.redhat.com/show_bug.cgi?id=1683956 [ 8 ] Bug #1685568 - xen: xsa284: grant table transfer issues on large hosts https://bugzilla.redhat.com/show_bug.cgi?id=1685568 [ 9 ] Bug #1685570 - xen: xsa291: x86/PV: page type reference counting issue with failed IOMMU update https://bugzilla.redhat.com/show_bug.cgi?id=1685570 [ 10 ] Bug #1647573 - CVE-2018-19961 CVE-2018-19962 xen: insufficient TLB flushing / improper large page mappings with AMD IOMMUs https://bugzilla.redhat.com/show_bug.cgi?id=1647573 [ 11 ] Bug #1647588 - CVE-2018-19965 xen: x86: DoS from attempting to use INVPCID with a non-canonical addresses https://bugzilla.redhat.com/show_bug.cgi?id=1647588 [ 12 ] Bug #1652235 - CVE-2018-19966 xsa280 xen: Conflicts with shadow paging due to XSA-240 incomplete fix (XSA-280) https://bugzilla.redhat.com/show_bug.cgi?id=1652235 --------------------------------------------------------------------------------
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2019-bce6498890' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
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