Fedora 27: 2017-c432db2971 High: Xen Hypervisor Flaws Affect Stability

This package contains the XenD daemon and xm command line

tools, needed to manage virtual machines running under the

Xen hypervisor

xen: various flaws (#1501391) multiple MSI mapping issues on x86 [XSA-237] DMOP

map/unmap missing argument checks [XSA-238] hypervisor stack leak in x86 I/O

intercept code [XSA-239] Unlimited recursion in linear pagetable de-typing

[XSA-240] Stale TLB entry due to page type release race [XSA-241] page type

reference leak on x86 [XSA-242] x86: Incorrect handling of self-linear shadow

mappings with translated guests [XSA-243] x86: Incorrect handling of IST

settings during CPU hotplug [XSA-244]

[ 1 ] Bug #1499817 - CVE-2017-15590 xsa237 xen: multiple MSI mapping issues on x86 (XSA-237)

https://bugzilla.redhat.com/show_bug.cgi?id=1499817

[ 2 ] Bug #1499818 - CVE-2017-15591 xsa238 xen: DMOP map/unmap missing argument checks (XSA-238)

https://bugzilla.redhat.com/show_bug.cgi?id=1499818

[ 3 ] Bug #1499819 - CVE-2017-15589 xsa239 xen: hypervisor stack leak in x86 I/O intercept code (XSA-239)

https://bugzilla.redhat.com/show_bug.cgi?id=1499819

[ 4 ] Bug #1499820 - CVE-2017-15595 xsa240 xen: Unlimited recursion in linear pagetable de-typing (XSA-240)

https://bugzilla.redhat.com/show_bug.cgi?id=1499820

[ 5 ] Bug #1499821 - CVE-2017-15588 xsa241 xen: Stale TLB entry due to page type release race (XSA-241)

https://bugzilla.redhat.com/show_bug.cgi?id=1499821

[ 6 ] Bug #1499822 - CVE-2017-15593 xsa242 xen: page type reference leak on x86 (XSA-242)

https://bugzilla.redhat.com/show_bug.cgi?id=1499822

[ 7 ] Bug #1499823 - CVE-2017-15592 xsa243 xen: x86: Incorrect handling of self-linear shadow mappings with translated guests (XSA-243)

https://bugzilla.redhat.com/show_bug.cgi?id=1499823

[ 8 ] Bug #1499824 - CVE-2017-15594 xsa244 xen: x86: Incorrect handling of IST settings during CPU hotplug (XSA-244)

https://bugzilla.redhat.com/show_bug.cgi?id=1499824

su -c 'dnf upgrade xen' 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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