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).
Published: 2014-11-19
Score: 5.4 Medium
EPSS: 1.3% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-3140-1 xen security update
EUVD 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).
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T13:25:59.938Z

Reserved: 2014-11-04T00:00:00.000Z

Link: CVE-2014-8594

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2014-11-19T18:59:10.533

Modified: 2026-05-06T22:30:45.220

Link: CVE-2014-8594

cve-icon Redhat

Severity : Low

Publid Date: 2014-11-18T00:00:00Z

Links: CVE-2014-8594 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses