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Sicherheit: Mehrere Probleme in xen
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in xen
ID: FEDORA-2019-3e89502cb1
Distribution: Fedora
Plattformen: Fedora 29
Datum: Mi, 13. März 2019, 06:43
Referenzen: https://bugzilla.redhat.com/show_bug.cgi?id=1679332
https://bugzilla.redhat.com/show_bug.cgi?id=1679334
https://bugzilla.redhat.com/show_bug.cgi?id=1679321
https://bugzilla.redhat.com/show_bug.cgi?id=1683956
https://bugzilla.redhat.com/show_bug.cgi?id=1679328
https://bugzilla.redhat.com/show_bug.cgi?id=1685568
https://bugzilla.redhat.com/show_bug.cgi?id=1685570
https://bugzilla.redhat.com/show_bug.cgi?id=1679327
https://bugzilla.redhat.com/show_bug.cgi?id=1679326
Applikationen: Xen

Originalnachricht

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Fedora Update Notification
FEDORA-2019-3e89502cb1
2019-03-12 22:17:51.347547
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Name : xen
Product : Fedora 29
Version : 4.11.1
Release : 4.fc29
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

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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]
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ChangeLog:

* Tue Mar 5 2019 Michael Young <m.a.young@durham.ac.uk> - 4.11.1-4
- 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]
* Thu Feb 14 2019 Michael Young <m.a.young@durham.ac.uk> - 4.11.1-3
- add gcc9 build fixes (#1676229)
* Sun Feb 3 2019 Fedora Release Engineering <releng@fedoraproject.org> -
4.11.1-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
* Tue Dec 11 2018 Michael Young <m.a.young@durham.ac.uk> - 4.11.1-1
- update to 4.11.1
remove patches for issues now fixed upstream
adjust xen.use.fedora.ipxe.patch
- only include qemutrad build requirements for platforms that use it
- construct ovmf.bin from edk2-ovmf package (#1656651)
* Tue Nov 20 2018 Michael Young <m.a.young@durham.ac.uk> - 4.11.0-10
- 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)
- xen: various flaws (#1652251)
resource accounting issues in x86 IOREQ server handling
[XSA-276, CVE-2018-19963]
x86: incorrect error handling for guest p2m page removals
[XSA-277, CVE-2018-19964]
Fix for XSA-240 conflicts with shadow paging [XSA-280, CVE-2018-19966]
* Tue Nov 6 2018 Michael Young <m.a.young@durham.ac.uk> - 4.11.0-9
- guest use of HLE constructs may lock up host [XSA-282, CVE-2018-19967]
* Wed Oct 24 2018 Michael Young <m.a.young@durham.ac.uk> - 4.11.0-8
- x86: Nested VT-x usable even when disabled [XSA-278, CVE-2018-18883]
(#1643118)
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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
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2019-3e89502cb1' 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

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/keys
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