kernel: xen: VT-d interrupt remapping source validation flaw
Published Feb 14, 2013
6.1
MEDIUMCVSS 2.0
EPSS 0.72%
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.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
kernel-xen
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-xen | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5. This issue did not affect Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG as we did not have support for Xen hypervisor.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:A/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.72% (0.00716) | 52.03th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.72% (0.00716) | 48.74th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.36% (0.00363) | 56.27th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.24% (0.00240) | 62.92th | v3 (v2023.03.01) |
| Jun 18, 2024 | 0.24% (0.00240) | 62.20th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.24% (0.00240) | 60.20th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.18% (0.01183) | 61.76th | v2 (v2022.01.01) |
| Oct 19, 2022 | 1.18% (0.01183) | 60.79th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.18% (0.01183) | 58.77th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.18% (0.01183) | 35.15th | v2 (v2022.01.01) |
References (12)
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00049.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/55082 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-201309-24.xml vendor-advisoryx_refsource_GENTOO
- http://www.debian.org/security/2013/dsa-2636 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2013/01/09/5 mailing-listx_refsource_MLIST
- https://access.redhat.com/security/cve/CVE-2012-5634 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=886959 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2012-5634
- https://www.cve.org/CVERecord?id=CVE-2012-5634
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-updates/2013-06/msg00049.html | vendor-advisoryx_refsource_SUSE | |
| http://secunia.com/advisories/55082 | third-party-advisoryx_refsource_SECUNIA | |
| http://security.gentoo.org/glsa/glsa-201309-24.xml | vendor-advisoryx_refsource_GENTOO | |
| http://www.debian.org/security/2013/dsa-2636 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.openwall.com/lists/oss-security/2013/01/09/5 | mailing-listx_refsource_MLIST | |
| https://access.redhat.com/security/cve/CVE-2012-5634 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=886959 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2012-5634 | ||
| https://www.cve.org/CVERecord?id=CVE-2012-5634 |
Change history (0)
No recorded changes yet.