8482 matches found
Unmediated PCI command register access in qemu
ISSUE DESCRIPTION HVM guests are currently permitted to modify the memory and I/O decode bits in the PCI command register of devices passed through to them. Unless the device is an SR-IOV virtual function, after disabling one or both of these bits subsequent accesses to the MMIO or I/O port range...
Fedora 21 : xen-4.4.1-16.fc21 (2015-3944)
Additional patch for XSA-98 on arm64 HVM qemu unexpectedly enabling emulated VGA graphics backends XSA-119, CVE-2015-2152 Hypervisor memory corruption due to x86 emulator flaw XSA-123, CVE-2015-2151 enable building pngs from fig files which is working again, fix oxenstored.service preset...
HVM qemu unexpectedly enabling emulated VGA graphics backends
ISSUE DESCRIPTION When instantiating an emulated VGA device for an x86 HVM guest qemu will by default enable a backend to expose that device, either SDL or VNC depending on the version of qemu and the build time configuration. The libxl toolstack library does not explicitly disable these default...
Hypervisor memory corruption due to x86 emulator flaw
ISSUE DESCRIPTION Instructions with register operands ignore eventual segment overrides encoded for them. Due to an insufficiently conditional assignment such a bogus segment override can, however, corrupt a pointer used subsequently to store the result of the instruction. IMPACT A malicious gues...
Moderate: Red Hat Enhancement Advisory: elfutils bug fix and enhancement update
Updated elfutils packages that fix several bugs and add various enhancements are now available for Red Hat Enterprise Linux 7. The elfutils packages contain a number of utility programs and libraries related to the creation and maintenance of executable code. The elfutils packages have been...
Linux/ARM - Add Map (127.1.1.1 google.lk) In /etc/hosts Shellcode (79 bytes)
Linux/ARM - Add Map 127.1.1.1 google.lk In /etc/hosts Shellcode 79 bytes. Shellcode exploit for ARM platform / Title: Add map in /etc/hosts file - 79 bytes Date: 2015-03-02 Architecture: armv6l GNU/Linux Website: http://osandamalith.wordpress.com E-Mail: osandacatunseen.is Author: Osanda Malith...
USN-2516-2 linux vulnerability
USN-2516-1 fixed vulnerabilities in the Linux kernel. There was an unrelated regression in the use of the virtual counter CNTVCT on arm64 architectures. This update fixes the problem. We apologize for the inconvenience. Original advisory details: A flaw was discovered in the Kernel Virtual...
CVE-2015-0268
The vgicv2tosgi function in arch/arm/vgic-v2.c in Xen 4.5.x, when running on ARM hardware with general interrupt controller GIC version 2, allows local guest users to cause a denial of service host crash by writing an invalid value to the GICD.SGIR register...
CVE-2015-0268
The vgicv2tosgi function in arch/arm/vgic-v2.c in Xen 4.5.x, when running on ARM hardware with general interrupt controller GIC version 2, allows local guest users to cause a denial of service host crash by writing an invalid value to the GICD.SGIR register...
CVE-2015-0268
The vgicv2tosgi function in arch/arm/vgic-v2.c in Xen 4.5.x, when running on ARM hardware with general interrupt controller GIC version 2, allows local guest users to cause a denial of service host crash by writing an invalid value to the GICD.SGIR register...
CVE-2015-0268
CVE-2015-0268 affects Xen 4.5.x on ARM with GIC version 2. The vulnerable function is vgic_v2_to_sgi in arch/arm/vgic-v2.c; a guest writing an invalid value to the GICD.SGIR register can trigger a host denial of service (host crash). Several connected sources corroborate the impact as a local-gue...
arm: vgic-v2: GICD_SGIR is not properly emulated
ISSUE DESCRIPTION When decoding a guest write to a specific register in the virtual interrupt controller Xen would treat an invalid value as a critical error and crash the host. IMPACT By writing an invalid value to the GICD.SGIR register a guest can crash the host, resulting in a Denial of Servi...
xen-kernel -- arm: vgic-v2: GICD_SGIR is not properly emulated
The Xen Project reports: When decoding a guest write to a specific register in the virtual interrupt controller Xen would treat an invalid value as a critical error and crash the host. By writing an invalid value to the GICD.SGIR register a guest can crash the host, resulting in a Denial of Servi...
Xen Resource Management Error Vulnerability
Xen is an open source virtual machine monitor product developed at the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. A security vulnerability exists in t...
Kali Linux
Kali Linux Kali Linux is a Debian-derived Linux distribution designed for digital forensics and penetration testing. It is maintained and funded by Offensive Security Ltd. Mati Aharoni, Devon Kearns and Raphaël Hertzog are the core developers. Kali Linux is preinstalled with over 300...
CVE-2015-1563
The ARM GIC distributor virtualization in Xen 4.4.x and 4.5.x allows local guests to cause a denial of service by causing a large number messages to be logged...
DEBIAN-CVE-2015-1563
The ARM GIC distributor virtualization in Xen 4.4.x and 4.5.x allows local guests to cause a denial of service by causing a large number messages to be logged...
CVE-2015-1563
The ARM GIC distributor virtualization in Xen 4.4.x and 4.5.x allows local guests to cause a denial of service by causing a large number messages to be logged...