CVE-2012-2625

2.7 LOW 0.9% exploit odds Fix listed

What it is

The PyGrub boot loader in Xen unstable before changeset 25589:60f09d1ab1fe, 4.2.x, and 4.1.x allows local para-virtualized guest users to cause a denial of service (memory consumption) via a large (1) bzip2 or (2) lzma compressed kernel image.

At a glance

Exploitability: Can be exploited from the same network segment with a login. Limited direct impact.
Exploit odds: 0.9% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2012-10-31 16:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:41 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.9% in the next 30 days (EPSS).
Severity: 2.7 LOW (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2012-10-31 16:55 UTC
Last modified: 2026-06-16 23:41 UTC
Exploit probability: 0.9% · EPSS, next 30 days
Weakness: CWE-20 · Improper input validation
Record status: Modified

Affected

Xen 4.1.0
Xen 4.1.1
Xen 4.1.2
Xen 4.1.3
Xen 4.2.0
Xen xen-unstable < 25589\:60f09d1ab1fe

Attack profile CVSS 2.0 · 2.7

Attack vector: Adjacent network
Complexity: Low
Authentication: Single
Confidentiality: None
Integrity: None
Availability: Partial

Raw vector

AV:A/AC:L/Au:S/C:N/I:N/A:P

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2012-2625.md and follow it. Check whether this project is affected by CVE-2012-2625. 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