Teaming up in the war on tech support scams

Editors note: Erik Wahlstrom spoke about the far-reaching impact of tech support scams and the need for industry-wide cooperation in his RSA Conference 2018 talk Tech Scams: Its Time to Release the Hounds. Social engineering attacks like tech support scams are so common because theyre so effectiv...

Important: Red Hat Bug Fix Advisory: new packages: qemu-kvm-ma

New qemu-kvm-ma packages are now available for Red Hat Enterprise Linux 7. Kernel-based Virtual Machine KVM is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-ma packages provide the user-space component for running virtual machines that use KVM on the IBM z...

RHEL 6 / 7 : rhev-hypervisor7 (RHSA-2018:0046) (Meltdown) (Spectre)

An update for rhev-hypervisor7 is now available for RHEV 3.X Hypervisor and Agents for Red Hat Enterprise Linux 6 and RHEV 3.X Hypervisor and Agents for Red Hat Enterprise Linux 7 ELS. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability...

MGASA-2018-0062 kernel update provides 4.14 series and fixes security vulnerabilities

This kernel update provides an upgrade to the 4.14 longterm branch, currently based on 4.14.10. It also fixes at least the following security issues: An elevation of privilege vulnerability in the Broadcom wi-fi driver CVE-2017-0786. Use-after-free vulnerability in the sndpcminfo function in the...

Linux kernel denial of service vulnerability (CNVD-2017-37597)

The Linux kernel is a computer operating system kernel written in C and assembly language, compliant with the POSIX standard, and distributed under the GNU General Public License. A denial of service vulnerability exists in the KVM in Linux kernel. An attacker can exploit this vulnerability to...

Kernel: kvm: page reference leakage in handle_vmon

Linux kernel built with the KVM visualization support CONFIGKVM, with nested visualizationnVMX feature enablednested=1, is vulnerable to host memory leakage issue. It could occur while emulating VMXON instruction in 'handlevmon'. An L1 guest user could use this flaw to leak host memory potentiall...

Kernel: Kvm: vmx/svm potential privilege escalation inside guest

Linux kernel built with the Kernel-based Virtual Machine CONFIGKVM support was vulnerable to an incorrect segment selectorSS value error. The error could occur while loading values into the SS register in long mode. A user or process inside a guest could use this flaw to crash the guest, resultin...

Important: Red Hat Security Advisory: qemu-kvm-rhev security and bug fix 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...

RedHat Update for qemu-kvm RHSA-2017:1430-01

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...

CentOS Update for qemu-guest-agent CESA-2017:1206 centos6

Check the version of qemu-guest-agent 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 scriptoid"1.3.6.1.4.1.25623.1.0.882712";...

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,...

UBUNTU-CVE-2016-9588

arch/x86/kvm/vmx.c in the Linux kernel through 4.9 mismanages the BP and OF exceptions, which allows guest OS users to cause a denial of service guest OS crash by declining to handle an exception thrown by an L2 guest...

openSUSE Security Update : ceph (openSUSE-2016-1500)

ceph was updated to version 10.2.4 and fixes the following issues : - A moncommand with empty prefix could crash the monitor boo987144, CVE-2016-5009 - Detect crc32 extension support from assembler on AArch64 boo999688 - Failing file operations on kernel based cephfs mount point could leave...

RedHat Update for qemu-kvm RHSA-2016:1606-01

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...

Linux kernel KVM Denial of Service Vulnerability

The Linux kernel is the kernel used by the operating system Linux, released by the Linux Foundation in the U.S. KVM Kernel-based Virtual Machine is a virtualization infrastructure used in it. A denial of service vulnerability exists in Linux kernel KVM. An attacker can exploit this vulnerability ...

Ubuntu: Security Advisory (USN-2978-1)

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...

Awesome Windows Exploitation Resources

A curated list of awesome Windows Exploitation resources. Windows stack overflows Stack Base Overflow Articles. Win32 Buffer Overflows Location, Exploitation and Prevention – by Dark spyrit 1999 Writing Stack Based Overflows on Windows – by Nish Bhalla’s 2005 Windows heap overflows Heap Base...

USN-2801-1 linux vulnerability

Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service system crash in the host OS...

RedHat Update for qemu-kvm RHSA-2015:0998-01

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...

CentOS Update for kmod-kvm CESA-2015:1003 centos5

Check the version of kmod-kvm 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 scriptoid"1.3.6.1.4.1.25623.1.0.882193";...