CVE-2013-1920

kernel: xen: potential use of freed memory in event channel operations

Published Apr 12, 2013 CVSS 2.0 · 4.4 Medium EPSS < 1% KEV · Not listed
Description
Xen 4.2.x, 4.1.x, and earlier, when the hypervisor is running "under memory pressure" and the Xen Security Module (XSM) is enabled, uses the wrong ordering of operations when extending the per-domain event channel tracking table, which causes a use-after-free and allows local guest kernels to inject arbitrary events and gain privileges via unspecified vectors.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2013-1914 Xen 4.2.x, 4.1.x, and earlier, when the hypervisor is running "under memory pressure" and the Xen Security Module (XSM) is enabled, uses the wrong ordering of operations when extending the per-domain event channel tracking table, which causes a use-after-free and allows local guest kernels to inject arbitrary events and gain privileges via unspecified vectors.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 3:20 PM
Reserved
Feb 19, 2013, 12:00 AM
Status
Modified
Published
Apr 12, 2013, 10:55 PM
Modified
Jun 16, 2026, 11:52 PM
Severity
Important
Public date
Apr 4, 2013, 12:00 AM