CVE-2015-4104: n/a vulnerability

CVE-2015-4104: Xen 3.3.x through 4.5.x does not properly restrict access to PCI MSI mask bits, which allows local x86 HVM...

Xen 3.3.x through 4.5.x does not properly restrict access to PCI MSI mask bits, which allows local x86 HVM guest users to cause a denial of service (unexpected interrupt and host crash) via unspecified vectors.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 06:04 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2015-4104 is a Xen hypervisor issue where a user inside an x86 HVM virtual machine could crash the host. The business risk is availability: one guest could disrupt other workloads on the same Xen host. Public sources provided do not show active exploitation. Exposure is most relevant to organizations running Xen 3.3.x through 4.5.x with x86 HVM guests. The source data does not identify broader products beyond Xen and vendor distributions or appliances referencing Xen updates. Treat as urgent for shared Xen infrastructure because a single guest user may crash the host. Prioritize patching where downtime would affect multiple customers, critical services, or consolidated workloads. Mitigation focus: Review Xen XSA-129 and applicable vendor advisories for supported fixes.; Apply Xen or distribution security updates from your vendor.; Prioritize multi-tenant or externally managed guest environments..

Prepared: Jun 13, 2026, 23:13 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

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2015-4104 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup

Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jun 3, 2015, 20:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://support.citrix.com/article/CTX206006CVE reference · x_refsource_CONFIRM
GLSA-201604-03CVE reference · vendor-advisory, x_refsource_GENTOO

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.