Vulnerability Details : 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 denial of service to other guests by injecting an interrupt.
Vulnerability category: Denial of service
Products affected by CVE-2012-5634
- cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.4:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2012-5634
0.24%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 61 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2012-5634
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.1
|
MEDIUM | AV:A/AC:L/Au:N/C:N/I:N/A:C |
6.5
|
6.9
|
NIST |
CWE ids for CVE-2012-5634
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2012-5634
-
http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html
openSUSE-SU-2013:0636-1: moderate: xen: security and bugfix update
-
http://www.openwall.com/lists/oss-security/2013/01/09/5
oss-security - Xen Security Advisory 33 (CVE-2012-5634) - VT-d interrupt remapping source validation flaw
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http://security.gentoo.org/glsa/glsa-201309-24.xml
Xen: Multiple vulnerabilities (GLSA 201309-24) — Gentoo security
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http://lists.opensuse.org/opensuse-updates/2013-06/msg00049.html
openSUSE-SU-2013:0912-1: moderate: xen up to xsa-47
-
http://www.debian.org/security/2013/dsa-2636
Debian -- Security Information -- DSA-2636-2 xen
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http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
[security-announce] SUSE-SU-2014:0446-1: important: Security update for
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http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html
openSUSE-SU-2013:0637-1: moderate: xen: security and bugfix update
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