Xen 4.3.x, 4.4.x, and 4.5.x, when using toolstack disaggregation, allows remote domains…
Priority LOW 36CWE-17Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Xen 4.3.x, 4.4.x, and 4.5.x, when using toolstack disaggregation, allows remote domains with partial management control to cause a denial of service (host lock) via unspecified domctl operations.
Why it matters now
EPSS 0.02278 83rd 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: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:4.3.2:*:*:*:*:*:*:* | 4.3.2 | Vulnerable | Xen |
| cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:* | 4.4.0 | Vulnerable | Xen |
| cpe:2.3:o:xen:xen:4.4.0:rc1:*:*:*:*:*:* | 4.4.0 rc1 | Vulnerable | Xen |
| cpe:2.3:o:xen:xen:4.4.1:-:*:*:*:*:*:* | 4.4.1 | Vulnerable | Xen |
| cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:* | 4.5.0 | Vulnerable | Xen |
| cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:* | 20 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:* | 21 | Vulnerable | Fedoraproject |
- 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:4.3.2:*:*:*:*:*:*:* Versions 4.3.2 Vulnerable ·Xen
- cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:* Versions 4.4.0 Vulnerable ·Xen
- cpe:2.3:o:xen:xen:4.4.0:rc1:*:*:*:*:*:* Versions 4.4.0 rc1 Vulnerable ·Xen
- cpe:2.3:o:xen:xen:4.4.1:-:*:*:*:*:*:* Versions 4.4.1 Vulnerable ·Xen
- cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:* Versions 4.5.0 Vulnerable ·Xen
- cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:* Versions 20 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:* Versions 21 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. 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-2015-2751
- 2026-10-03 Alias added: GHSA-f69q-gr6m-7j6r
References
Sources
- CVE-2015-2751 · CVE Program
- CVE-2015-2751 · NVD
- FIRST EPSS
- GHSA-f69q-gr6m-7j6r · GitHub Advisory Database · CC BY 4.0
- CVE-2015-2751 · 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