CVE-2012-5525

mediumpriority · track · 30EPSS 0.016 · 76 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

1.60% (76th) EPSS

CVSS 4.7 · medium

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

4.7

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.7mediumAV:L/AC:M/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 3.4 · impact 6.9

v2.04.5mediumAV:L/AC:M/Au:N/C:N/I:N/A:C/E:Fsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-125USLLM-inferredCWE-20USLLM-inferred

exploits (1)

Public proof-of-concept and weaponised exploit code.

post/linux/dos/xen_420_dosLinux DoS Xen 4.2.0 2012-5525functional · metasploit

affected products (2)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
xen xen= 4.2.0nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2012-12-13modified 2026-06-16

references (20)

External citations — patches, advisories, analysis.

scry

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