Xen Virtualization: Hypervisor (aka VMM aka Microkernel)
Xen is a virtual machine monitor for x86 that supports execution of
multiple guest operating systems with unprecedented levels of
performance and resource isolation.
This package contains the Xen Hypervisor. (tm)
Modern computers are sufficiently powerful to use virtualization to
present the illusion of many smaller virtual machines (VMs), each
running a separate operating system instance. Successful partitioning
of a machine to support the concurrent execution of multiple operating
systems poses several challenges. Firstly, virtual machines must be
isolated from one another: It is not acceptable for the execution of
one to adversely affect the performance of another. This is
particularly true when virtual machines are owned by mutually
untrusting users. Secondly, it is necessary to support a variety of
different operating systems to accommodate the heterogeneity of popular
applications. Thirdly, the performance overhead introduced by
virtualization should be small.
Xen uses a technique called paravirtualization: The guest OS is
modified, mainly to enhance performance.
The Xen hypervisor (microkernel) does not provide device drivers for
your hardware (except for CPU and memory). This job is left to the
kernel that's running in domain 0. Thus the domain 0 kernel is
privileged; it has full hardware access. It's started immediately after
Xen starts up. Other domains have no access to the hardware; instead
they use virtual interfaces that are provided by Xen (with the help of
the domain 0 kernel).
In addition to this package you need to install the kernel-xen, xen-libs
and xen-tools packages to use Xen. Xen version 3 and newer also supports
running unmodified guests using full virtualization, if appropriate hardware
is present.
[Hypervisor is a trademark of IBM]
- Links to Virtualization / xen
- Link has errors: conflict in file xen.spec
- Download package
-
Checkout Package
osc -A https://api.opensuse.org checkout home:Ledest:kernel/xen && cd $_ - Create Badge
Source Files
Revision 4 (latest revision is 5)
Oleksandr Chumachenko (Ledest)
committed
(revision 4)
- bsc#960093 - VUL-0: CVE-2015-8615: xen: x86: unintentional logging upon guest changing callback method (XSA-169) 5677f350-x86-make-debug-output-consistent-in-hvm_set_callback_via.patch - Adjust xen-dom0-modules.service to run Before xenstored.service instead of proc-xen.mount to workaround a bug in systemd "design" (bnc#959845) - bsc#959387 - VUL-0: CVE-2015-8568 CVE-2015-8567: xen: qemu: net: vmxnet3: host memory leakage CVE-2015-8568-qemuu-net-vmxnet3-avoid-memory-leakage-in-activate_device.patch - bsc#957988 - VUL-0: CVE-2015-8550: xen: paravirtualized drivers incautious about shared memory contents (XSA-155) xsa155-xen-0001-xen-Add-RING_COPY_REQUEST.patch xsa155-xen-0002-blktap2-Use-RING_COPY_REQUEST.patch xsa155-xen-0003-libvchan-Read-prod-cons-only-once.patch xsa155-qemuu-qdisk-double-access.patch xsa155-qemut-qdisk-double-access.patch xsa155-qemuu-xenfb.patch xsa155-qemut-xenfb.patch - bsc#959006 - VUL-0: CVE-2015-8558: xen: qemu: usb: infinite loop in ehci_advance_state results in DoS CVE-2015-8558-qemuu-usb-infinite-loop-in-ehci_advance_state-results-in-DoS.patch - bsc#958918 - VUL-0: CVE-2015-7549: xen: qemu pci: null pointer dereference issue CVE-2015-7549-qemuu-pci-null-pointer-dereference-issue.patch - bsc#958493 - VUL-0: CVE-2015-8504: xen: qemu: ui: vnc: avoid floating point exception CVE-2015-8504-qemuu-vnc-avoid-floating-point-exception.patch CVE-2015-8504-qemut-vnc-avoid-floating-point-exception.patch - bsc#958007 - VUL-0: CVE-2015-8554: xen: qemu-dm buffer overrun in MSI-X handling (XSA-164) xsa164.patch - bsc#958009 - VUL-0: CVE-2015-8555: xen: information leak in legacy x86 FPU/XMM initialization (XSA-165) xsa165.patch - bsc#958523 - VUL-0: xen: ioreq handling possibly susceptible to multiple read issue (XSA-166) xsa166.patch - bsc#956832 - VUL-0: CVE-2015-8345: xen: qemu: net: eepro100: infinite loop in processing command block list CVE-2015-8345-qemuu-eepro100-infinite-loop-fix.patch CVE-2015-8345-qemut-eepro100-infinite-loop-fix.patch - Upstream patches from Jan 56377442-x86-PoD-Make-p2m_pod_empty_cache-restartable.patch 5641ceec-x86-HVM-always-intercept-AC-and-DB.patch (Replaces CVE-2015-5307-xsa156.patch) 5644b756-x86-HVM-don-t-inject-DB-with-error-code.patch 56544a57-VMX-fix-adjust-trap-injection.patch 56546ab2-sched-fix-insert_vcpu-locking.patch - bsc#956592 - VUL-0: xen: virtual PMU is unsupported (XSA-163) 56549f24-x86-vPMU-document-as-unsupported.patch - bsc#956408 - VUL-0: CVE-2015-8339, CVE-2015-8340: xen: XENMEM_exchange error handling issues (XSA-159) xsa159.patch - bsc#956409 - VUL-0: CVE-2015-8341: xen: libxl leak of pv kernel and initrd on error (XSA-160) xsa160.patch - bsc#956411 - VUL-0: CVE-2015-7504: xen: heap buffer overflow vulnerability in pcnet emulator (XSA-162) xsa162-qemuu.patch xsa162-qemut.patch - bsc#947165 - VUL-0: CVE-2015-7311: xen: libxl fails to honour readonly flag on disks with qemu-xen (xsa-142) 5628fc67-libxl-No-emulated-disk-driver-for-xvdX-disk.patch 5649bcbe-libxl-relax-readonly-check-introduced-by-XSA-142-fix.patch
Comments 0