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Fedora 28: Critical Xen Interrupt Errors and Debug Issues Explained

fedora
Calendar Grey May 12, 2018
Dist Fedora Esm H88
Tackling significant challenges in Fedora Xen revisions to resolve debugging errors and interrupt handling discrepancies.
x86: mishandling of debug exceptions [XSA-260, CVE-2018-8897] x86 vHPET interrupt injection errors [XSA-261] (#1576089) qemu may drive Xen into unbounded loop [XSA-262] ---- update...

Summary

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

x86: mishandling of debug exceptions [XSA-260, CVE-2018-8897] x86 vHPET

interrupt injection errors [XSA-261] (#1576089) qemu may drive Xen into

unbounded loop [XSA-262] ---- update to xen-4.10.1

* 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] (#1576089)

- qemu may drive Xen into unbounded loop [XSA-262]

* 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 #1571880 - CVE-2018-10982 xsa261 xen: x86 vHPET interrupt injection errors (XSA-261)

https://bugzilla.redhat.com/show_bug.cgi?id=1571880

[ 2 ] Bug #1571881 - CVE-2018-10981 xsa262 xen: qemu may drive Xen into unbounded loop (XSA-262)

https://bugzilla.redhat.com/show_bug.cgi?id=1571881

su -c 'dnf upgrade --advisory FEDORA-2018-a7ac26523d' 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/

package-announce mailing list -- package-announce@lists.fedoraproject.org

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Change Log

References

Update Instructions

Severity
critical
Lowest
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Critical

Product: Fedora 28
Version: 4.10.1
Release: 2.fc28
Summary: Xen is a virtual machine monitor

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