What’s Vulnerable › Vulnerabilities

CVE-2013-4329

• Severity: medium (CVSS 6.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-09-12 · updated 2026-06-16
• Weakness: CWE-264

Description

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.

Affected products

• xen: 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.1.0 (+9)

References

• http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
• http://lists.xen.org/archives/html/xen-devel/2013-07/msg00066.html
• http://security.gentoo.org/glsa/glsa-201407-03.xml
• http://www.debian.org/security/2014/dsa-3006
• http://www.openwall.com/lists/oss-security/2013/09/10/4
• http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
• http://lists.xen.org/archives/html/xen-devel/2013-07/msg00066.html
• http://security.gentoo.org/glsa/glsa-201407-03.xml
• http://www.debian.org/security/2014/dsa-3006
• http://www.openwall.com/lists/oss-security/2013/09/10/4

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