CVE-2012-5634
Xen 4.2.x, 4.1.x, and 4.0, when using Intel VT-d for PCI passthrough, does not properly configure VT-d when supporting a device that is behind a legacy PCI Bridge, which allows local guests to cause a
02 Description
Xen 4.2.x, 4.1.x, and 4.0, when using Intel VT-d for PCI passthrough, does not properly configure VT-d when supporting a device that is behind a legacy PCI Bridge, which allows local guests to cause a
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
- 0.71% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 53.2% 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
- Moderate. 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
- 2013-02-14 22:00Z13 YR AGO
- Last updated
- 2024-08-06 21:14Z2 YR AGO
- Reserved
- 2012-10-24
- 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
- 829587b140745917d0813c0c36c9d9d05f11165aaff4b8697ecc0ba07a08674f
05 Affected products
06 References
- secunia.com55082http://secunia.com/advisories/55082
- lists.opensuse.orgopenSUSE-SU-2013:0637http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html
- security.gentoo.orgGLSA-201309-24http://security.gentoo.org/glsa/glsa-201309-24.xml
- www.debian.orgDSA-2636http://www.debian.org/security/2013/dsa-2636
- www.openwall.com[oss-security] 20130109 Xen Security Advisory 33 (CVE-2012-5634) - VT-d interrupt remapping source validation flawhttp://www.openwall.com/lists/oss-security/2013/01/09/5
- lists.opensuse.orgopenSUSE-SU-2013:0912http://lists.opensuse.org/opensuse-updates/2013-06/msg00049.html
- lists.opensuse.orgopenSUSE-SU-2013:0636http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html
- lists.opensuse.orgSUSE-SU-2014:0446http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
07 Fixed in
Debian 12
- xen Fixed in 4.1.3-8
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- xen Fixed in 4.1.3-8
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- xen Fixed in 4.1.3-8
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.