cbcvebase.
CVE-2010-4255
published 2011-01-25

CVE-2010-4255: The fixup_page_fault function in arch/x86/traps.c in Xen 4.0.1 and earlier on 64-bit platforms, when paravirtualization is enabled, does not verify that kernel…

PriorityP419medium6.1CVSS 2.0
AVAACLAuNCNINAC
EPSS
0.76%
50.7th percentile
The fixup_page_fault function in arch/x86/traps.c in Xen 4.0.1 and earlier on 64-bit platforms, when paravirtualization is enabled, does not verify that kernel mode is used to call the handle_gdt_ldt_mapping_fault function, which allows guest OS users to cause a denial of service (host OS BUG_ON) via a crafted memory access.

Affected

27 ranges· showing 25
VendorProductVersion rangeFixed in
citrixxen<= 4.0.1
citrixxen
citrixxen
citrixxen
citrixxen
citrixxen
citrixxen
citrixxen
citrixxen
citrixxen
citrixxen
citrixxen
citrixxen
citrixxen
citrixxen
citrixxen
citrixxen
citrixxen
citrixxen
debianxen< xen 4.0.1-2 (bookworm)xen 4.0.1-2 (bookworm)
vmwarevmware_esxi
vmwarevmware_workstation
vmwarevsphere
xenxen>= 0 < 4.0.1-24.0.1-2
xenxen>= 0 < 4.0.1-24.0.1-2

CVSS provenance

nvdv2.06.1MEDIUMAV:A/AC:L/Au:N/C:N/I:N/A:C
osv6.1MEDIUM
vendor_debian6.1MEDIUM
vendor_redhat6.1MEDIUM
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