CVE-2013-1919: n/a vulnerability

CVE-2013-1919: Xen 4.2.x and 4.1.x does not properly restrict access to IRQs, which allows local stub domain clients to ga...

Xen 4.2.x and 4.1.x does not properly restrict access to IRQs, which allows local stub domain clients to gain access to IRQs and cause a denial of service via vectors related to "passed-through IRQs or PCI devices."

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 15:20 UTC (UTC+00:00)

Security readout for executives and security teams

This Xen issue lets a local unprivileged stub-domain client access interrupts it should not control. In affected Xen 4.1.x and 4.2.x environments, that can disrupt host or guest availability when IRQ or PCI passthrough is involved. The provided sources do not show remote exploitation or confirmed active abuse. Exposure is most likely in legacy Xen 4.1.x or 4.2.x deployments using stub domains with passed-through IRQs or PCI devices. Systems not running Xen, not using affected versions, or not using passthrough are less likely exposed based on the provided description. Treat this as a legacy virtualization availability risk. It is most urgent for organizations still operating old Xen hosts with passthrough devices and untrusted guests. It is less urgent if Xen is not used or affected versions have already been replaced. Mitigation focus: Identify Xen hosts running 4.1.x or 4.2.x.; Review vendor advisories for applicable Xen security updates.; Prioritize updates on hosts using PCI or IRQ passthrough..

Prepared: Jun 14, 2026, 22:07 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: May 13, 2013, 23:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

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1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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