CVE-2012-5525

kernel: xen: several hypercalls do not validate input GFNs

Published Dec 13, 2012 CVSS 2.0 · 4.7 Medium EPSS 1.6% KEV · Not listed
Description
The get_page_from_gfn hypercall function in Xen 4.2 allows local PV guest OS administrators to cause a denial of service (crash) via a crafted GFN that triggers a buffer over-read.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2012-5417 The get_page_from_gfn hypercall function in Xen 4.2 allows local PV guest OS administrators to cause a denial of service (crash) via a crafted GFN that triggers a buffer over-read.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 9:05 PM
Reserved
Oct 24, 2012, 12:00 AM
Status
Modified
Published
Dec 13, 2012, 11:53 AM
Modified
Jun 16, 2026, 11:46 PM
Severity
Important
Public date
Dec 3, 2012, 12:00 AM