Description
The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).
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 |
|---|---|---|
Debian DSA |
DSA-3140-1 | xen security update |
EUVD |
EUVD-2014-8431 | The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP). |
References
History
No history.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-06T13:25:59.938Z
Reserved: 2014-11-04T00:00:00.000Z
Link: CVE-2014-8594
No data.
Status : Modified
Published: 2014-11-19T18:59:10.533
Modified: 2026-05-06T22:30:45.220
Link: CVE-2014-8594
OpenCVE Enrichment
No data.
Weaknesses
Debian DSA
EUVD