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Vulnerability record · public intelligence
CVE-2012-5525
UNKNOWN
CVE-2012-5525
Published Dec 13, 2012 · Updated Oct 23, 2026
Severity · CVSSUNKNOWN · 4.7
Known exploitationNot listed
EPSS / likelihood1.60%
QFinch risk score40 / 100
Original summary
Normalized public record · Updated Oct 23, 2026
The get_page_from_gfn hypercall function in Xen 4.2 allows local PV guest OS administrators to cause a denial of service (crash) via a crafted GFN that triggers a buffer over-read.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
The get_page_from_gfn hypercall function in Xen 4.2 allows local PV guest OS administrators to cause a denial of service (crash) via a crafted GFN that triggers a buffer over-read.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
CVENVDEPSSMETASPLOIT
- SSVC priority
- HIGH
- Confidence
- 40%
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- [oss-security] 20121203 Xen Security Advisory 26 (CVE-2012-5510) - Grant table version switch list corruption vulnerability ↗
- 55082 ↗
- GLSA-201309-24 ↗
- 51397 ↗
- 88133 ↗
- 56805 ↗
- xen-getpagefromgfn-dos(80480) ↗
Record history
Published Dec 13, 2012 · Last refreshed Oct 23, 2026