CVE-2018-10472

An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users in certain configurations to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot...

CVE-2018-10472

An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users in certain configurations to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot...

Code injection

An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users in certain configurations to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot...

CVE-2018-10472

An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users in certain configurations to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot...

CVE-2018-10472

Xen CVE-2018-10472 affects Xen up to 4.10.x. In certain configurations, an x86 HVM guest OS user could read arbitrary dom0 files by live-inserting a CDROM via QMP and targeting the CDROM as the backing file of a snapshot. This allows partial information disclosure from dom0 to the guest. The desc...

CVE-2018-10472

An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users in certain configurations to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot...

CVE-2018-10472

An issue was discovered in Xen through 4.10.x allowing x86 HVM guest OS users in certain configurations to read arbitrary dom0 files via QMP live insertion of a CDROM, in conjunction with specifying the target file as the backing file of a snapshot...

Information leak via crafted user-supplied CDROM

ISSUE DESCRIPTION QEMU handles many different file formats for virtual disks e.g., raw, qcow2, vhd, &c. Some of these formats are "snapshots" that specify "patches" to an alternate disk image, whose filename is included in the snapshot file. When qemu is given a disk but the type is not specified...

Security update for libvirt (important)

This update for libvirt and virt-manager fixes the following issues: Security issues fixed: - CVE-2017-5715: Fixes for speculative side channel attacks aka "SpectreAttack" var2 bsc1079869. - CVE-2018-6764: Fixed guest executable code injection via libnssdns.so loaded by libvirtlxc before init...

openSUSE Security Update : libvirt (openSUSE-2018-358) (Spectre)

This update for libvirt and virt-manager fixes the following issues : Security issues fixed : - CVE-2017-5715: Fixes for speculative side channel attacks aka 'SpectreAttack' var2 bsc1079869. - CVE-2018-6764: Fixed guest executable code injection via libnssdns.so loaded by libvirtlxc before init...

SUSE SLED12 / SLES12 Security Update : libvirt (SUSE-SU-2018:0920-1) (Spectre)

This update for libvirt and virt-manager fixes the following issues: Security issues fixed : - CVE-2017-5715: Fixes for speculative side channel attacks aka 'SpectreAttack' var2 bsc1079869. - CVE-2018-6764: Fixed guest executable code injection via libnssdns.so loaded by libvirtlxc before init...

SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2018:0909-1) (Meltdown) (Spectre)

This update for xen fixes the following issues: Update to Xen 4.7.5 bug fix only release bsc1027519 Security issues fixed : - CVE-2018-7540: Fixed DoS via non-preemptable L3/L4 pagetable freeing XSA-252 bsc1080635 - CVE-2018-7541: A grant table v2 - v1 transition may crash Xen XSA-255 bsc1080662 ...

OracleVM 3.4 : xen (OVMSA-2018-0028) (Spectre)

The remote OracleVM system is missing necessary patches to address critical security updates : - BUILDINFO: OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8 - BUILDINFO: xen commit=bf523bc61677448cb7bb79980d6969896d005bd5 - BUILDINFO: QEMU upstream...

DoS via non-preemptable L3/L4 pagetable freeing

ISSUE DESCRIPTION Guests have the ability to request removal of memory from themselves. This operation is intended to be requested for normal read/write pages, but is also permitted to be used on other types of pages. So far this in particular included pages pinned to their current type, with the...

How to set customized BIOS strings to HVM VMs

This article describes the method to set customized BIOS strings to HVM VMs through xe CLI of XenServer 7.3 and later, as well as how to get customized BIOS strings on these VMs...

openSUSE Security Update : xen (openSUSE-2017-1321)

This update for xen to version 4.9.1 bsc1027519 fixes several issues. This new feature was added : - Support migration of HVM domains larger than 1 TB These security issues were fixed : - bsc1068187: Failure to recognize errors in the Populate on Demand PoD code allowed for DoS XSA-246 -...

improper bug check in x86 log-dirty handling

ISSUE DESCRIPTION Memory sharing, available to x86 HVM guests only, uses a special value in the global machine to physical address translation table M2P. PV guests have full control over M2P entries corresponding to pages they own. A bug check specifically, an assertion that an M2P entry is not t...

improper x86 shadow mode refcount error handling

ISSUE DESCRIPTION Pages being used to run x86 guests in shadow mode are reference counted to track their uses. When another reference cannot be acquired, the corresponding page table entry must not be inserted. Due to incorrect error handling, this constraint could be violated. IMPACT A malicious...

SUSE SLES11 Security Update : xen (SUSE-SU-2017:3242-1)

This update for xen fixes several issues. These security issues were fixed : - bsc1068187: Failure to recognize errors in the Populate on Demand PoD code allowed for DoS XSA-246 - bsc1068191: Missing p2m error checking in PoD code allowed unprivileged guests to retain a writable mapping of freed...

openSUSE: Security Advisory for xen (openSUSE-SU-2017:3193-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...