Back
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…
Medium6.1EPSS 0.72%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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 denial of service to other guests by injecting an interrupt.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.1 | AV:A/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 0.72% · top 46% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Weakness
Affected products
n/a
- affected n/a
References (8)
- 55082 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- openSUSE-SU-2013:0637 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- GLSA-201309-24 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- DSA-2636 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- [oss-security] 20130109 Xen Security Advisory 33 (CVE-2012-5634) - VT-d interrupt remapping source validation flaw (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- openSUSE-SU-2013:0912 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2013:0636 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SU-2014:0446 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .