CVE-2012-5525

CVE-2012-5525 is a medium-severity vulnerability in Xen with a CVSS 2.0 base score of 4.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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.

Frequently asked questions

What is CVE-2012-5525?
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.
How severe is CVE-2012-5525?
CVE-2012-5525 has a CVSS 2.0 base score of 4.7, rated medium severity.
Is CVE-2012-5525 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-5525?
CVE-2012-5525 affects Xen. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-5525?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-5525 published?
CVE-2012-5525 was published on 2012-12-13 and last updated on 2026-06-16.

References

Affected products (1)

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