PT-2024-6385 · Xen+3 · Xen+3
Jan Beulich
+1
·
Published
2024-08-13
·
Updated
2026-01-05
·
CVE-2024-31145
CVSS v3.1
7.5
High
| Vector | AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Xen (affected versions not specified)
Description
The issue is related to flawed error handling in the logic establishing mappings for Reserved Memory Regions (RMRR) in Intel VT-d or Unity Mapping ranges for AMD-Vi. This flaw can result in mappings remaining in place when they should have been removed, allowing respective guests to gain access to memory regions they are not supposed to have access to. The precise purpose of these regions is unknown, and they are typically used for platform tasks such as legacy USB emulation.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Resource Exhaustion
Buffer Overflow
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Related Identifiers
Affected Products
Debian
Red Os
Suse
Xen