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Sigurnosni nedostatak programskog paketa xen

  • Detalji os-a: WN7
  • Važnost: IMP
  • Operativni sustavi: L
  • Kategorije: LFE

Fedora Update Notification
2019-12-13 01:03:56.472768

Name : xen
Product : Fedora 30
Version : 4.11.2
Release : 4.fc30
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:

Device quarantine for alternate pci assignment methods [XSA-306]

* Tue Nov 26 2019 Michael Young <> – 4.11.2-4
– Device quarantine for alternate pci assignment methods [XSA-306]
* Tue Nov 12 2019 Michael Young <> – 4.11.2-3
– add missing XSA-299 patches
– x86: Machine Check Error on Page Size Change DoS [XSA-304, CVE-2018-12207]
– TSX Asynchronous Abort speculative side channel [XSA-305, CVE-2019-11135]
* Fri Nov 1 2019 Michael Young <> – 4.11.2-2
– VCPUOP_initialise DoS [XSA-296, CVE-2019-18420] (#1771368)
– missing descriptor table limit checking in x86 PV emulation [XSA-298,
CVE-2019-18425] (#1771341)
– Issues with restartable PV type change operations [XSA-299, CVE-2019-18421]
– add-to-physmap can be abused to DoS Arm hosts [XSA-301, CVE-2019-18423]
– passed through PCI devices may corrupt host memory after deassignment
[XSA-302, CVE-2019-18424] (#1767731)
– ARM: Interrupts are unconditionally unmasked in exception handlers
[XSA-303, CVE-2019-18422] (#1771443)
* Mon Jul 1 2019 Michael Young <> – 4.11.2-1
– update to 4.11.2
remove patches now fixed upstream
adjust xen.use.fedora.ipxe.patch
drop parts of xen.gcc9.fixes.patch
* Sat Jun 15 2019 Michael Young <> – 4.11.1-6
– Unlimited Arm Atomics Operations [XSA-295, CVE-2019-17349,
CVE-2019-17350] (#1720760)
* Tue May 14 2019 Michael Young <> – 4.11.1-5
– Microarchitectural Data Sampling speculative side channel [XSA-297,
CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091]
– additional patches so above applies cleanly
– work around grub2 issues in dom0

[ 1 ] Bug #1780558 – CVE-2019-19579 xen: an untrusted domain with access to a physical device can DMA into host memory, leading to privilege escalation

This update can be installed with the “dnf” update program. Use
su -c ‘dnf upgrade –advisory FEDORA-2019-3d7105bd2a’ at the command
line. For more information, refer to the dnf documentation available at

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AutorToni Vugdelija
Cert idNCERT-REF-2019-12-0001-ADV
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