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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.53% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 44.5% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2013-09-12 18:00Z13 YR AGO
- Last updated
- 2024-08-06 16:38Z2 YR AGO
- Reserved
- 2013-06-12
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- de84a0328dedc0c34c353486cce927f6901ac7b2c1ffd9fef025e67ed83160e6
05 Affected products
06 References
- www.openwall.com[oss-security] 20130910 Re: Xen Security Advisory 61 - libxl partially sets up HVM passthrough even with disabled iommuhttp://www.openwall.com/lists/oss-security/2013/09/10/4
- lists.xen.org[Xen-devel] 20130701 [PATCH] libxl: suppress device assignment to HVM guest when there is no IOMMUhttp://lists.xen.org/archives/html/xen-devel/2013-07/msg00066.html
- security.gentoo.orgGLSA-201407-03http://security.gentoo.org/glsa/glsa-201407-03.xml
- lists.opensuse.orgSUSE-SU-2014:0446http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- www.debian.orgDSA-3006http://www.debian.org/security/2014/dsa-3006
07 Fixed in
Debian 12
- xen Fixed in 4.3.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- xen Fixed in 4.3.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- xen Fixed in 4.3.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.