USN-2978-1: Linux kernel vulnerabilities

David Matlack discovered that the Kernel-based Virtual Machine KVM implementation in the Linux kernel did not properly restrict variable Memory Type Range Registers MTRR in KVM guests. A privileged user in a guest VM could use this to cause a denial of service system crash in the host, expose...

CVE-2016-3713

The msrmtrrvalid function in arch/x86/kvm/mtrr.c in the Linux kernel before 4.6.1 supports MSR 0x2f8, which allows guest OS users to read or write to the kvmarchvcpu data structure, and consequently obtain sensitive information or cause a denial of service system crash, via a crafted ioctl call...

UBUNTU-CVE-2016-3713

The msrmtrrvalid function in arch/x86/kvm/mtrr.c in the Linux kernel before 4.6.1 supports MSR 0x2f8, which allows guest OS users to read or write to the kvmarchvcpu data structure, and consequently obtain sensitive information or cause a denial of service system crash, via a crafted ioctl call...

qemu security update

CentOS Errata and Security Advisory CESA-2016:0997 An update for qemu-kvm is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severit...

qemu-kvm security update

0.12.1.2-2.491.el68.1 - kvm-Add-vga.h-unmodified-from-Linux.patch bz1331407 - kvm-vga.h-remove-unused-stuff-and-reformat.patch bz1331407 - kvm-vga-use-constants-from-vga.h.patch bz1331407 - kvm-vga-Remove-some-should-be-done-in-BIOS-comments.patch bz1331407 -...

kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2016:1033 An update for kernel is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

CentOS 7 : kernel (CESA-2016:1033)

An update for kernel is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

kernel: Infinite loop vulnerability in KVM

The Linux kernel component in IBM PowerKVM 2.1 before 2.1.1.3-65.10 and 3.1 before 3.1.0.2 allows guest OS users to cause a denial of service host OS infinite loop and hang via unspecified vectors...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

Important: Red Hat Security Advisory: qemu-kvm-rhev security update

An update for qemu-kvm-rhev is now available for Red Hat Enterprise Linux OpenStack Platform 5.0 Icehouse for RHEL 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

Oracle Linux 7 : qemu-kvm (ELSA-2016-0724)

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2016-0724 advisory. - kvm-vga-fix-banked-access-bounds-checking-CVE-2016-3710.patch bz1331412 Tenable has extracted the preceding description block directly from the Oracle Linux...

RHEL 7 : qemu-kvm (RHSA-2016:0724)

An update for qemu-kvm is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

RedHat Update for qemu-kvm RHSA-2016:0997-01

The remote host is missing an update for the SPDX-FileCopyrightText: 2016 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...

Scientific Linux Security Update : qemu-kvm on SL7.x x86_64 (20160509)

Security Fixes : - An out-of-bounds read/write access flaw was found in the way QEMU's VGA emulation with VESA BIOS Extensions VBE support performed read/write operations via I/O port methods. A privileged guest user could use this flaw to execute arbitrary code on the host with the privileges of...

CentOS 7 : qemu-kvm (CESA-2016:0724)

An update for qemu-kvm is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

RHEL 6 : qemu-kvm (RHSA-2016:0997)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2016:0997 advisory. - qemu: incorrect banked access bounds checking in vga module CVE-2016-3710 Note that Nessus has not tested for this issue but has instead relied onl...

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: 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...

Important: Red Hat Security Advisory: qemu-kvm-rhev security update

An update for qemu-kvm-rhev is now available for Red Hat Enterprise Linux OpenStack Platform 6.0 Juno for RHEL 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating,...

Important: Red Hat Security Advisory: qemu-kvm-rhev security update

An update for qemu-kvm-rhev is now available for Red Hat Enterprise Linux OpenStack Platform 7.0 Kilo for RHEL 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating,...