DSA-3519-1 xen - security update

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DEBIAN-CVE-2016-2270

Xen 4.6.x and earlier allows local guest administrators to cause a denial of service host reboot via vectors related to multiple mappings of MMIO pages with different cachability settings...

Xen Denial of Service Vulnerability (CNVD-2016-00238)

Xen is a virtualization technology developed by the University of Cambridge that can be used in the Linux kernel, allowing multiple operating systems to run simultaneously. A denial of service vulnerability exists in Xen 4.6 that allows local attackers to cause a denial of service via a heavily...

DEBIAN-CVE-2015-8615

The hvmsetcallbackvia function in arch/x86/hvm/irq.c in Xen 4.6 does not limit the number of printk console messages when logging the new callback method, which allows local HVM guest OS users to cause a denial of service via a large number of changes to the callback method HVMPARAMCALLBACKIRQ...

Xen Information Disclosure Vulnerability (CNVD-2015-08349)

Xen is an open source virtual machine monitor product developed at the University of Cambridge in the United Kingdom. Xen has a security vulnerability that allows an attacker to exploit the vulnerability to gain access to sensitive information...

DEBIAN-CVE-2015-7972

The 1 libxlsetmemorytarget function in tools/libxl/libxl.c and 2 libxlbuildpost function in tools/libxl/libxldom.c in Xen 3.4.x through 4.6.x do not properly calculate the balloon size when using the populate-on-demand PoD system, which allows local HVM guest users to cause a denial of service...

Design/Logic Flaw

Xen 4.4.x, 4.5.x, and 4.6.x does not limit the number of printk console messages when reporting unimplemented hypercalls, which allows local guests to cause a denial of service via a sequence of 1 HYPERVISORphysdevop hypercalls, which are not properly handled in the dophysdevop function in...

Xen QEMU PCNET Controller Heap Overflow Vulnerability

Xen is a virtualization technology for the Linux kernel that allows multiple operating systems to run simultaneously. A heap overflow vulnerability exists in the Xen QEMU PCNET device controller, which allows an attacker to execute arbitrary code on the host in the context of a QEMU process...

UBUNTU-CVE-2015-4105

Xen 3.3.x through 4.5.x enables logging for PCI MSI-X pass-through error messages, which allows local x86 HVM guests to cause a denial of service host disk consumption via certain invalid operations...

SUSE SLES11 Security Update : Xen (SUSE-SU-2015:0745-1)

The Virtualization service XEN was updated to fix various bugs and security issues. The following security issues have been fixed : CVE-2015-2756: XSA-126: Unmediated PCI command register access in qemu could have lead to denial of service attacks against the host, if PCI cards are passed through...

DEBIAN-CVE-2015-3456

The Floppy Disk Controller FDC in QEMU, as used in Xen 4.5.x and earlier and KVM, allows local guest users to cause a denial of service out-of-bounds write and guest crash or possibly execute arbitrary code via the 1 FDCMDREADID, 2 FDCMDDRIVESPECIFICATIONCOMMAND, or other unspecified commands, ak...

UBUNTU-CVE-2015-3456

The Floppy Disk Controller FDC in QEMU, as used in Xen 4.5.x and earlier and KVM, allows local guest users to cause a denial of service out-of-bounds write and guest crash or possibly execute arbitrary code via the 1 FDCMDREADID, 2 FDCMDDRIVESPECIFICATIONCOMMAND, or other unspecified commands, ak...

DEBIAN-CVE-2015-2756

QEMU, as used in Xen 3.3.x through 4.5.x, does not properly restrict access to PCI command registers, which might allow local HVM guest users to cause a denial of service non-maskable interrupt and host crash by disabling the 1 memory or 2 I/O decoding for a PCI Express device and then accessing...

SUSE-SU-2015:0745-1 Security update for Xen

The Virtualization service XEN was updated to fix various bugs and security issues. The following security issues have been fixed: CVE-2015-2756: XSA-126: Unmediated PCI command register access in qemu could have lead to denial of service attacks against the host, if PCI cards are - passed throug...

openSUSE Security Update : xen (openSUSE-2015-129)

The XEN virtualization was updated to fix bugs and security issues : Security issues fixed: CVE-2015-0361: XSA-116: xen: xen crash due to use after free on hvm guest teardown CVE-2014-9065, CVE-2014-9066: XSA-114: xen: p2m lock starvation CVE-2014-9030: XSA-113: Guest effectable page reference le...

CVE-2015-1563

The ARM GIC distributor virtualization in Xen 4.4.x and 4.5.x allows local guests to cause a denial of service by causing a large number messages to be logged...

UBUNTU-CVE-2015-1563

The ARM GIC distributor virtualization in Xen 4.4.x and 4.5.x allows local guests to cause a denial of service by causing a large number messages to be logged...

openSUSE Security Update : xen (openSUSE-2015-113)

The virtualization software XEN was updated to version 4.3.3 and also to fix bugs and security issues. Security issues fixed: CVE-2015-0361: XSA-116: xen: xen crash due to use after free on hvm guest teardown CVE-2014-9065, CVE-2014-9066: XSA-114: xen: p2m lock starvation CVE-2014-9030: XSA-113:...

Security update for xen (important)

The virtualization software XEN was updated to version 4.3.3 and also to fix bugs and security issues. Security issues fixed: CVE-2015-0361: XSA-116: xen: xen crash due to use after free on hvm guest teardown CVE-2014-9065, CVE-2014-9066: XSA-114: xen: p2m lock starvation CVE-2014-9030: XSA-113:...

CVE-2014-8595

arch/x86/x86emulate/x86emulate.c in Xen 3.2.1 through 4.4.x does not properly check privileges, which allows local HVM guest users to gain privileges or cause a denial of service crash via a crafted 1 CALL, 2 JMP, 3 RETF, 4 LCALL, 5 LJMP, or 6 LRET far branch instruction...