327 matches found
KVM Nest Virtualization L1 Guest Privilege Escalation
KVM nested virtualization: privilege escalation in L1 guest When KVM on Intel virtualizes another hypervisor as L1 VM it does not verify that VMX instructions from the L1 VM which trigger a VM exit and are emulated by L0 KVM are coming from ring 0. For code running on bare metal or VMX root mode...
KVM (Nested Virtualization) - L1 Guest Privilege Escalation Vulnerability
Exploit for linux platform in category dos / poc When KVM on Intel virtualizes another hypervisor as L1 VM it does not verify that VMX instructions from the L1 VM which trigger a VM exit and are emulated by L0 KVM are coming from ring 0. For code running on bare metal or VMX root mode this is...
Privilege escalation
An elevation of privilege vulnerability in the Qualcomm kyro L2 driver. Product: Android. Versions: Android kernel. Android ID: A-32831370. References: QC-CR1103158...
CVE-2017-6423
CVE-2017-6423 is an elevation-of-privilege flaw in the Qualcomm Kyro L2 driver within the Android kernel. The vulnerability could allow a local attacker to execute arbitrary code with kernel privileges on affected devices (Pixel and Pixel XL are listed in the Android bulletin). The root cause is ...
CVE-2017-6423: Undefined Security Weakness
An elevation of privilege vulnerability in the Qualcomm kyro L2 driver. Product: Android. Versions: Android kernel. Android ID: A-32831370. References: QC-CR1103158...
Virtuozzo 7 : readykernel-patch (VZA-2017-086)
According to the version of the vzkernel package and the readykernel-patch installed, the Virtuozzo installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the way the Linux kernel loaded ELF executables. Provided that an application was built as...
CVE-2017-12154
The preparevmcs02 function in arch/x86/kvm/vmx.c in the Linux kernel through 4.13.3 does not ensure that the "CR8-load exiting" and "CR8-store exiting" L0 vmcs02 controls exist in cases where L1 omits the "use TPR shadow" vmcs12 control, which allows KVM L2 guest OS users to obtain read and write...
CVE-2017-12154
The preparevmcs02 function in arch/x86/kvm/vmx.c in the Linux kernel through 4.13.3 does not ensure that the "CR8-load exiting" and "CR8-store exiting" L0 vmcs02 controls exist in cases where L1 omits the "use TPR shadow" vmcs12 control, which allows KVM L2 guest OS users to obtain read and write...
CVE-2017-12154
The preparevmcs02 function in arch/x86/kvm/vmx.c in the Linux kernel through 4.13.3 does not ensure that the "CR8-load exiting" and "CR8-store exiting" L0 vmcs02 controls exist in cases where L1 omits the "use TPR shadow" vmcs12 control, which allows KVM L2 guest OS users to obtain read and write...
CVE-2017-12154: Undefined Security Weakness
The preparevmcs02 function in arch/x86/kvm/vmx.c in the Linux kernel through 4.13.3 does not ensure that the "CR8-load exiting" and "CR8-store exiting" L0 vmcs02 controls exist in cases where L1 omits the "use TPR shadow" vmcs12 control, which allows KVM L2 guest OS users to obtain read and write...
Kernel: kvm: nVMX: uncaught software exceptions in L1 guest leads to DoS
Linux kernel built with the KVM visualization support CONFIGKVM, with nested visualizationnVMX feature enablednested=1, is vulnerable to an uncaught exception issue. It could occur if an L2 guest was to throw an exception which is not handled by an L1 guest...
Native DNS Spoofer (Example)
This module provides a Rex based DNS service to resolve queries intercepted via the capture mixin. Configure STATICENTRIES to contain host-name mappings desired for spoofing using a hostsfile or space/semicolon separated entries. In the default configuration, the service operates as a normal nati...
Open Source Full Featured Network Operating System: OpenSwitch
Open Source Full Featured Network Operating System OpenSwitch provides a fully-featured L2/L3 control plane stack, traditional and programmatic, declarative control plane. The 24×7 nature of global digital economy and the explosion of data have changed how we think about data center networking...
kernel security, bug fix, and enhancement update
3.10.0-514.21.1.OL7 - Oracle Linux certificates Alexey Petrenko - Oracle Linux RHCK Module Signing Key was compiled into kernel [email protected] - Update x509.genkey bug 24817676 3.10.0-514.21.1 - kernel sched/core: Fix an SMP ordering race in trytowakeup vs...
Google Android Qualcomm Kyro L2 driver elevation of privilege vulnerability
Google Android is a mobile operating system based on the Linux open kernel. Google Android suffers from an elevation of privilege vulnerability in the Qualcomm Kyro L2 driver implementation, which allows remote attackers to exploit the vulnerability to submit a special application with elevated...
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...
CVE-2016-9588: Undefined Security Weakness
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...
Debian DSA-3607-1 : 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-2015-7515, CVE-2016-2184, CVE-2016-2185, CVE-2016-2186, CVE-2016-2187, CVE-2016-3136, CVE-2016-3137, CVE-2016-3138, CVE-2016-3140 Ralf Spenneberg...
[SECURITY] [DSA 3607-1] linux security update
------------------------------------------------------------------------- Debian Security Advisory DSA-3607-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso June 28, 2016 https://www.debian.org/security/faq -...
[SECURITY] [DSA 3607-1] linux security update
------------------------------------------------------------------------- Debian Security Advisory DSA-3607-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso June 28, 2016 https://www.debian.org/security/faq -...