CVE-2012-4536

kernel: xen: PIRQ unmap missing range check causes hypervisor crash

Published Nov 21, 2012 CVSS 2.0 · 2.1 Low EPSS < 1% KEV · Not listed
Description
The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2012-4464 The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 8:42 PM
Reserved
Aug 21, 2012, 12:00 AM
Status
Modified
Published
Nov 21, 2012, 11:55 PM
Modified
Jun 16, 2026, 11:45 PM
Severity
Moderate
Public date
Nov 13, 2012, 12:00 AM