CVE-2012-5513

6.9 MEDIUM 0.4% exploit odds Fix listed

What it is

The XENMEM_exchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of service (crash) or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor reserved range.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2012-12-13 11:53 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:46 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.4% in the next 30 days (EPSS).
Severity: 6.9 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2012-12-13 11:53 UTC
Last modified: 2026-06-16 23:46 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Weakness: CWE-20 · Improper input validation
Record status: Modified

Affected

Xen ≤ 4.2.0
Xen 3.0.2
Xen 3.0.3
Xen 3.0.4
Xen 3.1.3
Xen 3.1.4
Xen 3.2.0
Xen 3.2.1

Attack profile CVSS 2.0 · 6.9

Attack vector: Local
Complexity: Medium
Authentication: None
Confidentiality: Complete
Integrity: Complete
Availability: Complete

Raw vector

AV:L/AC:M/Au:N/C:C/I:C/A:C

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2012-5513.md and follow it. Check whether this project is affected by CVE-2012-5513. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record