CVE-2015-2752

xen: long latency MMIO mapping operations are not preemptible (xsa125)

Published Apr 1, 2015 CVSS 2.0 · 4.9 Medium EPSS < 1% KEV · Not listed
Description
The XEN_DOMCTL_memory_mapping hypercall in Xen 3.2.x through 4.5.x, when using a PCI passthrough device, is not preemptible, which allows local x86 HVM domain users to cause a denial of service (host CPU consumption) via a crafted request to the device model (qemu-dm).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-479-1 xen security update
EUVD EUVD EUVD-2015-2842 The XEN_DOMCTL_memory_mapping hypercall in Xen 3.2.x through 4.5.x, when using a PCI passthrough device, is not preemptible, which allows local x86 HVM domain users to cause a denial of service (host CPU consumption) via a crafted request to the device model (qemu-dm).
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 6, 2024, 5:24 AM
Reserved
Mar 26, 2015, 12:00 AM
Status
Modified
Published
Apr 1, 2015, 2:59 PM
Modified
Jun 17, 2026, 12:24 AM
Severity
Moderate
Public date
Mar 31, 2015, 12:00 AM