Fedora 30: 2019-53b0dc52ee Critical: Xen Access Control 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]

[ 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

su -c 'dnf upgrade --advisory FEDORA-2019-53b0dc52ee' 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/

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