Description
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.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2010-4228 | 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. |
References
History
No history.
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-07T03:34:37.813Z
Reserved: 2010-11-16T00:00:00.000Z
Link: CVE-2010-4255
No data.
Status : Modified
Published: 2011-01-25T01:00:01.393
Modified: 2026-04-29T01:13:23.040
Link: CVE-2010-4255
OpenCVE Enrichment
No data.
Weaknesses
EUVD