360MarvelTeam virtualization vulnerability of the third bullet: CVE-2 0 1 5-7 5 0 4 vulnerability analysis-vulnerability warning-the black bar safety net

Recently amazon, Ali cloud and other cloud providers have received the xen official of the vulnerability notification email, in this email, the official statement MarvelTeam found and reported a high-risk vulnerability. Today's protagonist is this gold number CVE-2 0 1 5-7 5 0 4, a gold affects...

Ubuntu: Security Advisory (USN-2828-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 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...

USN-2828-1: QEMU vulnerabilities

Jason Wang discovered that QEMU incorrectly handled the virtio-net device. A remote attacker could use this issue to cause guest network consumption, resulting in a denial of service. CVE-2015-7295 Qinghao Tang and Ling Liu discovered that QEMU incorrectly handled the pcnet driver when used in...

CentOS 7 : kernel (CESA-2015:2152)

Updated kernel packages that fix multiple security issues, address several hundred bugs, and add numerous enhancements are now available as part of the ongoing support and maintenance of Red Hat Enterprise Linux version 7. This is the second regular update. Red Hat Product Security has rated this...

kernel security, bug fix, and enhancement update

3.10.0-327.OL7 - Oracle Linux certificates Alexey Petrenko 3.10.0-327 - mm free compound page with correct order Andrea Arcangeli 1274867 - netdrv revert 'ixgbe: Refactor busy poll socket code to address multiple issues' John Greene 1261275 - powerpc dma: dmasetcoherentmask should not be GPL only...

Citrix XenServer Multiple Infinite Loop Guest-to-Host DoS (CTX202583)

The version of Citrix XenServer running on the remote host is affected by multiple denial of service vulnerabilities : - An infinite loop condition exists in the KVM subsystem that is triggered when handling a stream of AC Alignment Check exceptions. A local attacker within a virtualized guest ca...

RHEL 7 : kernel (RHSA-2015:2152)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2015:2152 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel's file...

kernel: kvm: reporting emulation failures to userspace

It was found that reporting emulation failures to user space could lead to either a local CVE-2014-7842 or a L2-L1 CVE-2010-5313 denial of service. In the case of a local denial of service, an attacker must have access to the MMIO area or be able to access an I/O port. Please note that on certain...

kernel: kvm: insufficient sysenter emulation when invoked from 16-bit code

It was found that the Linux kernel KVM subsystem's sysenter instruction emulation was not sufficient. An unprivileged guest user could use this flaw to escalate their privileges by tricking the hypervisor to emulate a SYSENTER instruction in 16-bit mode, if the guest OS did not initialize the...

CVE-2015-8104

The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service host OS panic or hang by triggering many DB aka Debug exceptions, related to svm.c...

CVE-2015-5307

The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service host OS panic or hang by triggering many AC aka Alignment Check exceptions, related to svm.c and vmx.c...

CVE-2015-5307

The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service host OS panic or hang by triggering many AC aka Alignment Check exceptions, related to svm.c and vmx.c...

Design/Logic Flaw

The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service host OS panic or hang by triggering many AC aka Alignment Check exceptions, related to svm.c and vmx.c...

CVE-2015-5307

The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service host OS panic or hang by triggering many AC aka Alignment Check exceptions, related to svm.c and vmx.c...

CVE-2015-5307

CVE-2015-5307 affects the Linux kernel KVM subsystem (through 4.2.6) and Xen (4.3.x–4.6.x). An attacker who has local access in a guest can trigger many #AC exceptions (Alignment Check), potentially causing a host panic/hang. Root cause involves svm.c/vmx.c handling of alignment-related events. P...

CVE-2015-5307

The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service host OS panic or hang by triggering many AC aka Alignment Check exceptions, related to svm.c and vmx.c...

CVE-2015-8104

The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service host OS panic or hang by triggering many DB aka Debug exceptions, related to svm.c...

CVE-2015-8104

The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service host OS panic or hang by triggering many DB aka Debug exceptions, related to svm.c...

CVE-2015-8104

The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service host OS panic or hang by triggering many DB aka Debug exceptions, related to svm.c...

CVE-2015-8104

The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service host OS panic or hang by triggering many DB aka Debug exceptions, related to svm.c...