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CVE-2012-2625

2.7 · LOW

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…

Published Oct 31, 2012xenCWE-20EPSS 0.92%

Overview

CVE-2012-2625 is a low-severity vulnerability affecting xen xen. It was published on October 31, 2012 and has a CVSS 2.0 base score of 2.7 (LOW).

This vulnerability has a CVSS 2.0 base score of 2.7, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from xen. Update xen to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
xenxen-unstable>= 0, < 25589\:60f09d1ab1feAffected

References

Refbugzilla.xensource.com/bugzilla/show_bug.cgi?id=1817Reflists.opensuse.org/opensuse-security-announce/2012-08/msg00024.htmlReflists.opensuse.org/opensuse-security-announce/2012-08/msg00025.htmlReflists.opensuse.org/opensuse-security-announce/2012-09/msg00005.htmlReflists.opensuse.org/opensuse-security-announce/2012-09/msg00017.htmlReflists.opensuse.org/opensuse-security-announce/2012-09/msg00018.htmlReflists.opensuse.org/opensuse-security-announce/2012-11/msg00017.htmlReflists.opensuse.org/opensuse-security-announce/2012-11/msg00018.htmlRefrhn.redhat.com/errata/RHSA-2012-1130.htmlRefsecunia.com/advisories/49184

How CyberStrike helps

Frequently asked questions

What is CVE-2012-2625?

CVE-2012-2625 is a low-severity vulnerability affecting xen xen. It was published on October 31, 2012 and has a CVSS 2.0 base score of 2.7 (LOW).

How severe is CVE-2012-2625?

This vulnerability has a CVSS 2.0 base score of 2.7, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2012-2625?

Check the references section for vendor advisories and patches from xen. Update xen to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2012-2625?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-2625 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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