PT-2012-6004 · Xen · Xen

Published 2012-12-13 · Updated 2024-06-15 · CVE-2012-5525

Positive Technologies (AI Summary)

CVSS v2.0

4.7

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Xen version 4.2

Description The issue allows local PV guest OS administrators to cause a denial of service (crash) by exploiting the get page from gfn hypercall function. This is achieved via a crafted GFN that triggers a buffer over-read.

Recommendations For Xen version 4.2, consider disabling the get page from gfn hypercall function as a temporary workaround until a patch is available.

Exploit

Fix

Related Identifiers

CVE-2012-5525

OPENSUSE-SU-2024:10196-1

Affected Products

Xen

References · 134

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/post/linux/dos/xen_420_dos.rb · Exploit
• http://security.gentoo.org/glsa/glsa-201309-24.xml · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:10196-1 · Vendor Advisory
• http://secunia.com/advisories/51397 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2012-5525 · Security Note
• https://suse.com/security/cve/CVE-2015-8554 · Note
• https://suse.com/security/cve/CVE-2016-1922 · Note
• https://suse.com/security/cve/CVE-2016-1714 · Note
• https://suse.com/security/cve/CVE-2016-2271 · Note
• https://suse.com/security/cve/CVE-2015-7835 · Note
• https://suse.com/security/cve/CVE-2012-5525 · Note
• https://suse.com/security/cve/CVE-2014-7815 · Note
• https://suse.com/security/cve/CVE-2014-3124 · Note
• https://suse.com/security/cve/CVE-2015-8558 · Note
• https://suse.com/security/cve/CVE-2013-1919 · Note