CVE-2025-58150
High
Description
Shadow mode tracing code uses a set of per-CPU variables to avoid cumbersome parameter passing. Some of these variables are written to with guest controlled data, of guest controllable size. That size can be larger than the variable, and bounding of the writes was missing.
SeverityHigh
CVSS8.8
Exploit probability—
ProductXen
PublishedJan 28, 2026
First seenJan 28, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| xen xen | No range specified | — |
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