Xen 3.1.1 allows virtual guest system users to cause a denial of service (hypervisor…
Priority LOW 22Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Xen 3.1.1 allows virtual guest system users to cause a denial of service (hypervisor crash) by using a debug register (DR7) to set certain breakpoints.
Why it matters now
EPSS 0.00324 25th percentileScored 2026-11-07
Fix Fixed 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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:xensource_inc:xen:3.1.1:*:*:*:*:*:*:* | 3.1.1 | Vulnerable | Xensource Inc |
- cpe:2.3:a:xensource_inc:xen:3.1.1:*:*:*:*:*:*:* Versions 3.1.1 Vulnerable ·Xensource Inc
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | — |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | — |
Timeline
- 2026-10-02 Threatist record created from CVE-2007-5906
- 2026-10-03 Alias added: GHSA-f59f-86pc-5j7q
References
More Xensource Inc Xen vulnerabilities
- TI-2007-04813 pygrub (tools/pygrub/src/GrubConf.py) in Xen 3.0.3, when booting a guest domain, allows… CVSS 2.0MEDIUM 6.9
- TI-2007-03796 (1) xenbaked and (2) xenmon.py in Xen 3.1 and earlier allow local users to truncate… CVSS 2.0MEDIUM 6.0
- TI-2008-01551 The ssm_i emulation in Xen 5.1 on IA64 architectures allows attackers to cause a denial… CVSS 2.0MEDIUM 4.3
- TI-2007-05647 Xen 3.1.1 does not prevent modification of the CR4 TSC from applications, which allows pv… CVSS 2.0MEDIUM 4.7
- TI-2007-05922 Xen 3.x, possibly before 3.1.2, when running on IA64 systems, does not check the RID… CVSS 2.0LOW 2.1
Sources
- CVE-2007-5906 · CVE Program
- CVE-2007-5906 · NVD
- FIRST EPSS
- GHSA-f59f-86pc-5j7q · GitHub Advisory Database · CC BY 4.0
- CVE-2007-5906 · 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