Описание
The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, and 4.1.x through 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates.
| Релиз | Статус | Примечание |
|---|---|---|
| devel | released | 4.6.0-1ubuntu4 |
| esm-infra-legacy/trusty | DNE | trusty/esm was DNE [trusty was released [4.4.2-0ubuntu0.14.04.5]] |
| precise | released | 4.1.6.1-0ubuntu0.12.04.10 |
| trusty | released | 4.4.2-0ubuntu0.14.04.5 |
| trusty/esm | DNE | trusty was released [4.4.2-0ubuntu0.14.04.5] |
| upstream | needed | |
| vivid | ignored | end of life |
| vivid/stable-phone-overlay | DNE | |
| vivid/ubuntu-core | DNE | |
| wily | released | 4.5.1-0ubuntu1.3 |
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EPSS
6.9 Medium
CVSS2
8.5 High
CVSS3
Связанные уязвимости
The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, and 4.1.x through 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates.
The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, and 4.1.x through 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates.
The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, a ...
The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, and 4.1.x through 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates.
EPSS
6.9 Medium
CVSS2
8.5 High
CVSS3