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…

published January 25, 2011

CVSS
—
EPSS
1%
Percentile
54.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00768 · 54.8th percentile
Published
2011-01-25T00:00Z
EPSS history
Timeline
  • 25 JAN 00:00Z
    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…
    cvelistv5