TI-2013-03792 Aliases CVE-2013-4329 GHSA-m6p7-5mj3-hmp2

The xenlight library (libxl) in Xen 4.0.x through 4.2.x, when IOMMU is disabled, provides…

LOW 29CWE-264Published 2013-09-12 · Updated 2024-08-06

Key facts

Attack vector: Adjacent network
Privileges required: Low
User interaction: — Not recorded in CVSS 2.0
Attack complexity: High
Impact type: Security bypass
Confidentiality · integrity · availability: Complete · Complete · Complete
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.

Summary

The xenlight library (libxl) in Xen 4.0.x through 4.2.x, when IOMMU is disabled, provides access to a busmastering-capable PCI passthrough device before the IOMMU setup is complete, which allows local HVM guest domains to gain privileges or cause a denial of service via a DMA instruction.

Why it matters now

EPSS 0.00531 45th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 15

CPE	Versions	Role	Vendor
cpe:2.3:o:xen:xen:4.0.0:::::::*	4.0.0	Vulnerable	Xen
cpe:2.3:o:xen:xen:4.0.1:::::::*	4.0.1	Vulnerable	Xen
cpe:2.3:o:xen:xen:4.0.2:::::::*	4.0.2	Vulnerable	Xen
cpe:2.3:o:xen:xen:4.0.3:::::::*	4.0.3	Vulnerable	Xen
cpe:2.3:o:xen:xen:4.0.4:::::::*	4.0.4	Vulnerable	Xen
cpe:2.3:o:xen:xen:4.1.0:::::::*	4.1.0	Vulnerable	Xen
cpe:2.3:o:xen:xen:4.1.1:::::::*	4.1.1	Vulnerable	Xen
cpe:2.3:o:xen:xen:4.1.2:::::::*	4.1.2	Vulnerable	Xen
cpe:2.3:o:xen:xen:4.1.3:::::::*	4.1.3	Vulnerable	Xen
cpe:2.3:o:xen:xen:4.1.4:::::::*	4.1.4	Vulnerable	Xen

cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:* Versions 4.0.0 Vulnerable ·Xen
cpe:2.3:o:xen:xen:4.0.1:*:*:*:*:*:*:* Versions 4.0.1 Vulnerable ·Xen
cpe:2.3:o:xen:xen:4.0.2:*:*:*:*:*:*:* Versions 4.0.2 Vulnerable ·Xen
cpe:2.3:o:xen:xen:4.0.3:*:*:*:*:*:*:* Versions 4.0.3 Vulnerable ·Xen
cpe:2.3:o:xen:xen:4.0.4:*:*:*:*:*:*:* Versions 4.0.4 Vulnerable ·Xen
cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:* Versions 4.1.0 Vulnerable ·Xen
cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:* Versions 4.1.1 Vulnerable ·Xen
cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:* Versions 4.1.2 Vulnerable ·Xen
cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:* Versions 4.1.3 Vulnerable ·Xen
cpe:2.3:o:xen:xen:4.1.4:*:*:*:*:*:*:* Versions 4.1.4 Vulnerable ·Xen

Show 5 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:o:xen:xen:4.1.5:::::::*	4.1.5	Vulnerable	Xen
cpe:2.3:o:xen:xen:4.2.0:::::::*	4.2.0	Vulnerable	Xen
cpe:2.3:o:xen:xen:4.2.1:::::::*	4.2.1	Vulnerable	Xen
cpe:2.3:o:xen:xen:4.2.2:::::::*	4.2.2	Vulnerable	Xen
cpe:2.3:o:xen:xen:4.2.3:::::::*	4.2.3	Vulnerable	Xen

cpe:2.3:o:xen:xen:4.1.5:*:*:*:*:*:*:* Versions 4.1.5 Vulnerable ·Xen
cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:* Versions 4.2.0 Vulnerable ·Xen
cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:* Versions 4.2.1 Vulnerable ·Xen
cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:* Versions 4.2.2 Vulnerable ·Xen
cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:* Versions 4.2.3 Vulnerable ·Xen

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 1 product

Red Hat Enterprise Linux 5

Timeline

2026-10-02 Threatist record created from CVE-2013-4329
2026-10-03 Alias added: GHSA-m6p7-5mj3-hmp2

References

Patch 1

[Xen-devel] 20130701 [PATCH] libxl: suppress device assignment to HVM guest when there is no IOMMU

Advisory 3

Other 1

[oss-security] 20130910 Re: Xen Security Advisory 61 - libxl partially sets up HVM passthrough even with disabled iommu

TI-2012-00210 The x86-64 kernel system-call functionality in Xen 4.1.2 and earlier, as used in Citrix… CVSS 2.0HIGH 7.2
TI-2023-07042 Information disclosure through error messages in AMD Ryzen™ 3000 Series Desktop… CVSS 3.1MEDIUM 5.5
TI-2015-04333 The C+ mode offload emulation in the RTL8139 network card device model in QEMU, as used… CVSS 2.0HIGH 9.3
TI-2015-06741 The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows… CVSS 3.1CRITICAL 10.0
TI-2018-06436 A statement in the System Programming Guide of the Intel 64 and IA-32 Architectures… CVSS 3.0HIGH 7.8
TI-2024-20522 x86: Incorrect logic for BTC/SRSO mitigations CVSS 3.1HIGH 7.5

See all 489 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences