Xen 3.x, possibly before 3.1.2, when running on IA64 systems, does not check the RID value for mov_to_rr, which allows a VTi domain to read memory of other domains.
CVSS Severity (version 2.0):
Impact Subscore: 2.9
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
**NOTE: Access Complexity scored Low due to insufficient information
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information
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20071021 [Xen-ia64-devel] PATCH: check r2 value for VTi mov rr[r3]=r2
References to Check Content
Vulnerable software and versions