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Libvirt provides a portable, long term stable C API for managing the virtualization technologies provided by many operating systems. It includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER Hypervisor.
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Peter Krempa 8a07faf337 CVE-2014-3633: qemu: blkiotune: Use correct definition when looking up disk 
Live definition was used to look up the disk index while persistent one
was indexed leading to a crash in qemuDomainGetBlockIoTune. Use the
correct def and report a nice error.

Unfortunately it's accessible via read-only connection, though it can
only crash libvirtd in the cases where the guest is hot-plugging disks
without reflecting those changes to the persistent definition.  So
avoiding hotplug, or doing hotplug where persistent is always modified
alongside live definition, will avoid the out-of-bounds access.

Introduced in: eca96694a7f992be633d48d5ca03cedc9bbc3c9aa (v0.9.8)
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1140724
Reported-by: Luyao Huang <lhuang@redhat.com>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>

(cherry picked from commit 3e745e8f77)
2014-09-17 16:46:18 -06:00
.gnulib@e8e0eb6bfb maint: update to latest gnulib 2014-04-21 14:52:28 -06:00
build-aux Require spaces around equality comparisons 2014-03-18 11:29:44 +01:00
daemon Use virFileFindResource to locate CPU map XML 2014-04-25 11:59:46 +01:00
docs docs: publish correct enum values 2014-06-26 15:40:52 -06:00
examples Add a new example to illustrate domain migration 2014-04-30 14:29:07 +01:00
gnulib maint: update to latest gnulib 2014-01-01 06:02:47 -07:00
include Introduce an object for managing firewall rulesets 2014-04-25 15:44:09 +01:00
m4 build: use --with-systemd-daemon as configure option 2014-02-26 05:59:22 -07:00
po Release of libvirt-1.2.4 2014-05-04 14:41:29 +08:00
src CVE-2014-3633: qemu: blkiotune: Use correct definition when looking up disk 2014-09-17 16:46:18 -06:00
tests Explicitly link virfirewalltest and virsystemdtest against dbus 2014-05-03 16:24:16 +02:00
tools Activate build dir overrides in libvirtd, virtlockd, virsh & tests 2014-04-25 11:59:32 +01:00
.ctags maint: Make ctags work out of the box 2013-07-18 08:47:21 +02:00
.dir-locals.el build: avoid tabs that failed syntax-check 2012-09-06 09:43:46 -06:00
.gitignore Add a new example to illustrate domain migration 2014-04-30 14:29:07 +01:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap Autogenerate AUTHORS 2012-10-19 12:44:56 -04:00
AUTHORS.in Add Roman Bogorodskiy to the committers list 2014-02-20 20:51:08 +04:00
autobuild.sh Disable libvirtd by default when building on Win32 2014-04-29 11:30:32 +01:00
autogen.sh autogen.sh: Correctly detect .git as a file 2013-08-29 13:19:45 +02:00
bootstrap maint: update to latest gnulib 2014-01-01 06:02:47 -07:00
bootstrap.conf Add helpers for getting env vars in a setuid environment 2013-10-21 14:03:52 +01:00
cfg.mk enforce sane readdir usage 2014-04-28 17:52:46 -06:00
ChangeLog-old Fix typos in src/* 2014-04-21 16:49:08 -06:00
config-post.h build: fix build of virt-login-shell on systems with older gnutls 2013-10-22 09:41:50 -06:00
configure.ac Add a new example to illustrate domain migration 2014-04-30 14:29:07 +01:00
COPYING maint: follow recommended practice for using LGPL 2013-05-20 14:15:21 -06:00
COPYING.LESSER maint: follow recommended practice for using LGPL 2013-05-20 14:15:21 -06:00
HACKING Add a rule for indenting labels 2014-03-25 14:58:41 +01:00
libvirt.pc.in Add missing 'libvirt_lxc_api' variable in pkg-config file 2013-09-04 14:52:40 +01:00
libvirt.spec.in Release of libvirt-1.2.4 2014-05-04 14:41:29 +08:00
Makefile.am Add a new example to illustrate domain migration 2014-04-30 14:29:07 +01:00
Makefile.nonreentrant maint: use LGPL correctly 2013-05-20 14:03:48 -06:00
mingw-libvirt.spec.in conf: create common storage RNG grammar file 2014-04-14 07:07:01 -06:00
README Correct typos in the documentation (Atsushi SAKAI) 2008-01-24 10:15:13 +00:00
README-hacking maint: relax git minimum version 2010-02-24 14:29:27 -05:00
run.in Use virFileFindResource to locate virtlockd daemon 2014-04-28 13:30:41 +01:00
TODO Update todo list file to point at bugzilla/website 2010-10-13 16:45:26 +01:00

README 

         LibVirt : simple API for virtualization

  Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.

Daniel Veillard <veillard@redhat.com>