Oracle VirtualBox crServerDispatchGetAttachedShaders Integer Overflow Privilege Escalation Vulnerability

This vulnerability allows local attackers to execute arbitrary code on vulnerable installations of Oracle VirtualBox. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the...

Oracle VirtualBox crUnpackExtendAreTexturesResident Out-Of-Bounds Read Information Disclosure Vulnerability

This vulnerability allows local attackers to disclose sensitive information on vulnerable installations of Oracle VirtualBox. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within...

Debian DSA-4313-1 : linux - security update

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. - CVE-2018-15471 XSA-270 Felix Wilhelm of Google Project Zero discovered a flaw in the hash handling of the xen-netback Linux kernel module. A maliciou...

Design/Logic Flaw

arch/arm64/kvm/guest.c in KVM in the Linux kernel before 4.18.12 on the arm64 platform mishandles the KVMSETONREG ioctl. This is exploitable by attackers who can create virtual machines. An attacker can arbitrarily redirect the hypervisor flow of control with full register control. An attacker ca...

CVE-2018-18021

arch/arm64/kvm/guest.c in KVM in the Linux kernel before 4.18.12 on the arm64 platform mishandles the KVMSETONREG ioctl. This is exploitable by attackers who can create virtual machines. An attacker can arbitrarily redirect the hypervisor flow of control with full register control. An attacker ca...

DEBIAN-CVE-2018-18021

arch/arm64/kvm/guest.c in KVM in the Linux kernel before 4.18.12 on the arm64 platform mishandles the KVMSETONREG ioctl. This is exploitable by attackers who can create virtual machines. An attacker can arbitrarily redirect the hypervisor flow of control with full register control. An attacker ca...

CVE-2018-18021

arch/arm64/kvm/guest.c in KVM in the Linux kernel before 4.18.12 on the arm64 platform mishandles the KVMSETONREG ioctl. This is exploitable by attackers who can create virtual machines. An attacker can arbitrarily redirect the hypervisor flow of control with full register control. An attacker ca...

CVE-2018-18021

arch/arm64/kvm/guest.c in KVM in the Linux kernel before 4.18.12 on the arm64 platform mishandles the KVMSETONREG ioctl. This is exploitable by attackers who can create virtual machines. An attacker can arbitrarily redirect the hypervisor flow of control with full register control. An attacker ca...

UBUNTU-CVE-2018-18021

arch/arm64/kvm/guest.c in KVM in the Linux kernel before 4.18.12 on the arm64 platform mishandles the KVMSETONREG ioctl. This is exploitable by attackers who can create virtual machines. An attacker can arbitrarily redirect the hypervisor flow of control with full register control. An attacker ca...

August 23, 2016 — KB3176934 (OS Build 14393.82)

August 23, 2016 — KB3176934 OS Build 14393.82 This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include: Improved reliability of Network Controller, DNS server, gateways, Storage Spaces Direct, Group Managed Service...

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

An update for kernel is now available for Red Hat Enterprise Linux 7.3 Extended Update Support. 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...

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

An update for kernel is now available for Red Hat Enterprise Linux 7.4 Extended Update Support. 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...

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

An update for kernel is now available for Red Hat Enterprise Linux 7.2 Advanced Update Support, Red Hat Enterprise Linux 7.2 Telco Extended Update Support, and Red Hat Enterprise Linux 7.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impac...

CVE-2018-8434

An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system, aka "Windows Hyper-V Information Disclosure Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windo...

Microsoft Windows: Turn On Virtualization Based Security

This test checks the setting for policy OpenVAS Vulnerability Test $Id: winenablevirtualizationbasedsecurity.nasl 11381 2018-09-13 14:55:03Z emoss $ Check value for Turn On Virtualization Based Security Authors: Emanuel Moss Copyright: Copyright c 2018 Greenbone Networks GmbH,...

Microsoft Windows: Turn On Virtualization Based Security (Credential Guard Configuration)

Specifies whether Virtualization Based Security is enabled. Virtualization Based Security uses the Windows Hypervisor to provide support for security services. Virtualization Based Security requires Secure Boot, and can optionally be enabled with the use of DMA Protections. DMA protections requir...

Microsoft Windows: Turn On Virtualization Based Security (Select Platform Security Level)

Specifies whether Virtualization Based Security is enabled. Virtualization Based Security uses the Windows Hypervisor to provide support for security services. Virtualization Based Security requires Secure Boot, and can optionally be enabled with the use of DMA Protections. DMA protections requir...

Microsoft Windows Hyper-V Security Bypass Vulnerability

Microsoft Windows 10 and others are a series of operating systems released by Microsoft Corporation USA.Windows Hyper-V is one of the virtualization products that supports the creation of virtual machines in Windows. A security feature bypass vulnerability exists in Microsoft Windows Hyper-V that...

September 2018 Patch Tuesday – 61 Vulns, FragmentSmack, Hyper-V Escape

In this month’s Patch Tuesday release there are 61 vulnerabilities patched with 17 Criticals. Out of the criticals, most are browser-related, with the rest including Windows, Hyper-V, and .net Framework. A vulnerability CVE-2018-8475 in Windows' image parsing has been publicly disclosed, in...

CVE-2018-10853

A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilegeCPL level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate...