CVE-2007-6416

Severity: medium (CVSS 4.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2007-12-17 · updated 2026-06-16
Weakness: CWE-264

Description

The copy_to_user function in the PAL emulation functionality for Xen 3.1.2 and earlier, when running on ia64 systems, allows HVM guest users to access arbitrary physical memory by triggering certain mapping operations.

Affected products

xen: 3.1.2

References

http://osvdb.org/41344
http://secunia.com/advisories/28146
http://secunia.com/advisories/28643
http://www.redhat.com/support/errata/RHSA-2008-0089.html
http://www.securityfocus.com/bid/26954
http://xenbits.xensource.com/ext/ia64/xen-unstable.hg?rev/e6069a715fd7
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9840
http://osvdb.org/41344
http://secunia.com/advisories/28146
http://secunia.com/advisories/28643
http://www.redhat.com/support/errata/RHSA-2008-0089.html
http://www.securityfocus.com/bid/26954

Get alerted when CVE-2007-6416 or the next vulnerability affects your stack