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.
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cve-icon MITRE Information

Status: PUBLISHED

Assigner: redhat

Published: 2011-01-25T00:00:00

Updated: 2018-10-10T18:57:01

Reserved: 2010-11-16T00:00:00


Link: CVE-2010-4255

JSON object: View

cve-icon NVD Information

Status : Modified

Published: 2011-01-25T01:00:01.393

Modified: 2018-10-10T20:07:52.833


Link: CVE-2010-4255

JSON object: View

cve-icon Redhat Information

No data.