Certain MMU virtualization operations in Xen 4.2.x through 4.4.x, when using shadow…
Priority LOW 22CWE-399Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
Certain MMU virtualization operations in Xen 4.2.x through 4.4.x, when using shadow pagetables, are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5146.
Why it matters now
EPSS 0.00428 37th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* | 13.1 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* | 13.2 | Vulnerable | openSUSE |
| cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:* | 4.2.0 | Vulnerable | Xen |
| cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:* | 4.2.1 | Vulnerable | Xen |
| cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:* | 4.2.2 | Vulnerable | Xen |
| cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:* | 4.2.3 | Vulnerable | Xen |
| cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:* | 4.3.0 | Vulnerable | Xen |
| cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:* | 4.3.1 | Vulnerable | Xen |
| cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:* | 4.4.0 | Vulnerable | Xen |
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* Versions 13.1 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* Versions 13.2 Vulnerable ·openSUSE
- cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:* Versions 4.2.0 Vulnerable ·Xen
- cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:* Versions 4.2.1 Vulnerable ·Xen
- cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:* Versions 4.2.2 Vulnerable ·Xen
- cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:* Versions 4.2.3 Vulnerable ·Xen
- cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:* Versions 4.3.0 Vulnerable ·Xen
- cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:* Versions 4.3.1 Vulnerable ·Xen
- cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:* Versions 4.4.0 Vulnerable ·Xen
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 1 product
- Red Hat Enterprise Linux 5
Timeline
- 2026-10-02 Threatist record created from CVE-2014-5149
- 2026-10-03 Alias added: GHSA-3jrv-3c97-g969
References
Sources
- CVE-2014-5149 · CVE Program
- CVE-2014-5149 · NVD
- FIRST EPSS
- GHSA-3jrv-3c97-g969 · GitHub Advisory Database · CC BY 4.0
- CVE-2014-5149 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences