Fedora: 2019-bce6498890 High: xen Security Update for Various Flaws

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

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]

* Tue Mar 5 2019 Michael Young - 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 - 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 - 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 - 4.10.2-3

- guest use of HLE constructs may lock up host [XSA-282, CVE-2018-19967]

* Thu Oct 25 2018 Michael Young - 4.10.2-2

- x86: Nested VT-x usable even when disabled [XSA-278, CVE-2018-18883]

(#1643118)

* Tue Sep 25 2018 Michael Young - 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 - 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 - 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)

[ 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

su -c 'dnf upgrade --advisory FEDORA-2019-bce6498890' 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

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