82 matches found
CVE-2017-17044
An issue was discovered in Xen through 4.9.x allowing HVM guest OS users to cause a denial of service infinite loop and host OS hang by leveraging the mishandling of Populate on Demand PoD errors...
CVE-2017-17044
An issue was discovered in Xen through 4.9.x allowing HVM guest OS users to cause a denial of service infinite loop and host OS hang by leveraging the mishandling of Populate on Demand PoD errors...
CVE-2017-17045
An issue was discovered in Xen through 4.9.x allowing HVM guest OS users to gain privileges on the host OS, obtain sensitive information, or cause a denial of service BUG and host OS crash by leveraging the mishandling of Populate on Demand PoD Physical-to-Machine P2M errors...
CVE-2017-17044
An issue was discovered in Xen through 4.9.x allowing HVM guest OS users to cause a denial of service infinite loop and host OS hang by leveraging the mishandling of Populate on Demand PoD errors...
PT-2017-14680
Name of the Vulnerable Software and Affected Versions Xen versions prior to 4.10 Description An issue in Xen allows HVM guest OS users to cause a denial of service, resulting in an infinite loop and host OS hang, by leveraging the mishandling of Populate on Demand PoD errors. Recommendations For...
CVE-2017-17044: Improper Check for Unusual or Exceptional Conditions
An issue was discovered in Xen through 4.9.x allowing HVM guest OS users to cause a denial of service infinite loop and host OS hang by leveraging the mishandling of Populate on Demand PoD errors...
FreeBSD : xen-kernel -- Long latency populate-on-demand operation is not preemptible (83350009-881e-11e5-ab94-002590263bf5)
The Xen Project reports : When running an HVM domain in Populate-on-Demand mode, Xen would sometimes search the domain for memory to reclaim, in response to demands for population of other pages in the same domain. This search runs without preemption. The guest can, by suitable arrangement of its...
Xen Denial of Service Vulnerability (CNVD-2015-07245)
Xen is an open source virtual machine monitor product developed at the University of Cambridge in the United Kingdom. A security vulnerability exists in the 'libxlbuildpost' function in the tools/libxl/libxldom.c file and in the 'libxlsetmemory target' functions, due to a security flaw in the...
DEBIAN-CVE-2015-7972
The 1 libxlsetmemorytarget function in tools/libxl/libxl.c and 2 libxlbuildpost function in tools/libxl/libxldom.c in Xen 3.4.x through 4.6.x do not properly calculate the balloon size when using the populate-on-demand PoD system, which allows local HVM guest users to cause a denial of service...
DEBIAN-CVE-2015-7970
The p2mpodemergencysweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service CPU consumption and possibly reboot via crafted memory contents that triggers a "time-consuming linear scan,"...
CVE-2015-7972
The 1 libxlsetmemorytarget function in tools/libxl/libxl.c and 2 libxlbuildpost function in tools/libxl/libxldom.c in Xen 3.4.x through 4.6.x do not properly calculate the balloon size when using the populate-on-demand PoD system, which allows local HVM guest users to cause a denial of service...
Design/Logic Flaw
The p2mpodemergencysweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service CPU consumption and possibly reboot via crafted memory contents that triggers a "time-consuming linear scan,"...
CVE-2015-7970
The p2mpodemergencysweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service CPU consumption and possibly reboot via crafted memory contents that triggers a "time-consuming linear scan,"...
UBUNTU-CVE-2015-7970
The p2mpodemergencysweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service CPU consumption and possibly reboot via crafted memory contents that triggers a "time-consuming linear scan,"...
UBUNTU-CVE-2015-7972
The 1 libxlsetmemorytarget function in tools/libxl/libxl.c and 2 libxlbuildpost function in tools/libxl/libxldom.c in Xen 3.4.x through 4.6.x do not properly calculate the balloon size when using the populate-on-demand PoD system, which allows local HVM guest users to cause a denial of service...
CVE-2015-7970
The p2mpodemergencysweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service CPU consumption and possibly reboot via crafted memory contents that triggers a "time-consuming linear scan,"...
PT-2015-7685
Name of the Vulnerable Software and Affected Versions Xen versions 3.4.x through 4.6.x Description The issue arises from the incorrect calculation of the balloon size by the 1 libxl set memory target function in tools/libxl/libxl.c and 2 libxl build post function in tools/libxl/libxl dom.c when...
CVE-2015-7972: Undefined Security Weakness
The 1 libxlsetmemorytarget function in tools/libxl/libxl.c and 2 libxlbuildpost function in tools/libxl/libxldom.c in Xen 3.4.x through 4.6.x do not properly calculate the balloon size when using the populate-on-demand PoD system, which allows local HVM guest users to cause a denial of service...
PT-2012-5999
Name of the Vulnerable Software and Affected Versions Xen versions 4.2 and earlier Description The issue is related to the guest physmap mark populate on demand function, which does not properly unlock the subject GFNs when checking if they are in use. This allows local guest HVM administrators t...
DEBIAN-CVE-2012-3496
XENMEMpopulatephysmap in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when translating paging mode is not used, allows local PV OS guest kernels to cause a denial of service BUG triggered and host crash via invalid flags such as MEMFpopulateondemand...