VulnerabilityModified
CVE-2013-4329
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…
MEDIUM 6.5EPSS 0.53%
Does this matter?
Lower severity and a low EPSS score (0.53%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 6.5 MEDIUMAV:A/AC:H/Au:S/C:C/I:C/A:C
- EPSS
- 0.53% probability · 43th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- xen/xen
- Source
- secalert@redhat.com
References
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- http://lists.xen.org/archives/html/xen-devel/2013-07/msg00066.htmlPatch
- 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.htmlPatch
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.