1232 matches found
CVE-2017-2583
The loadsegmentdescriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a "MOV SS, NULL selector" instruction, which allows guest OS users to cause a denial of service guest OS crash or gain guest OS privileges via a crafted application...
CVE-2017-2596
The nestedvmxcheckvmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service host OS memory consumption by leveraging the mishandling of page references...
CVE-2017-2583
The loadsegmentdescriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a "MOV SS, NULL selector" instruction, which allows guest OS users to cause a denial of service guest OS crash or gain guest OS privileges via a crafted application...
CVE-2017-2596
The nestedvmxcheckvmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service host OS memory consumption by leveraging the mishandling of page references...
CVE-2017-2583
The loadsegmentdescriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a "MOV SS, NULL selector" instruction, which allows guest OS users to cause a denial of service guest OS crash or gain guest OS privileges via a crafted application...
CVE-2017-2583
The loadsegmentdescriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a "MOV SS, NULL selector" instruction, which allows guest OS users to cause a denial of service guest OS crash or gain guest OS privileges via a crafted application...
CVE-2017-2583
The loadsegmentdescriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a "MOV SS, NULL selector" instruction, which allows guest OS users to cause a denial of service guest OS crash or gain guest OS privileges via a crafted application...
CVE-2017-2596
The nestedvmxcheckvmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service host OS memory consumption by leveraging the mishandling of page references...
CVE-2016-9932
CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a "supposedly-ignored" operand size prefix...
Design/Logic Flaw
CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a "supposedly-ignored" operand size prefix...
Null pointer dereference
VMFUNC emulation in Xen 4.6.x through 4.8.x on x86 systems using AMD virtualization extensions aka SVM allows local HVM guest OS users to cause a denial of service hypervisor crash by leveraging a missing NULL pointer check...
CVE-2016-9932
CVE-2016-9932 affects the Xen hypervisor (CMPXCHG8B emulation) from Xen 3.3.x through 4.7.x on x86. It allows local HVM guest OS users to disclose sensitive host stack memory via a supposedly-ignored operand size prefix. Connected advisories note this as XSA-200 and document patched versions in X...
CVE-2016-9932
CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a "supposedly-ignored" operand size prefix...
CVE-2016-10013
Xen through 4.8.x allows local 64-bit x86 HVM guest OS users to gain privileges by leveraging mishandling of SYSCALL singlestep during emulation...
CVE-2016-9382
Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service guest OS crash by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode...
CVE-2016-9381
Race condition in QEMU in Xen allows local x86 HVM guest OS administrators to gain privileges by changing certain data on shared rings, aka a "double fetch" vulnerability...
CVE-2016-9380
The pygrub boot loader emulator in Xen, when nul-delimited output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via NUL bytes in the bootloader configuration file...
Code injection
Xen, when running on a 64-bit hypervisor, allows local x86 guest OS users to modify arbitrary memory and consequently obtain sensitive information, cause a denial of service host crash, or execute arbitrary code on the host by leveraging broken emulation of bit test instructions...
CVE-2016-9381
Race condition in QEMU in Xen allows local x86 HVM guest OS administrators to gain privileges by changing certain data on shared rings, aka a "double fetch" vulnerability...
CVE-2016-9380
CVE-2016-9380 affects the Xen pygrub boot loader emulator. When nul-delimited output is requested, a local pygrub-using guest OS administrator can read or delete arbitrary files on the host by manipulating the bootloader configuration with NUL bytes. The vulnerability arises from how pygrub outpu...