CVE-2025-58150

8.8 HIGH
Published: January 28, 2026 Modified: February 09, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://xenbits.xenproject.org/xsa/advisory-477.html
Source: security@xen.org
Mitigation Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/01/27/1
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Mitigation Patch Third Party Advisory
http://xenbits.xen.org/xsa/advisory-477.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Vendor Advisory

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
0.0%
4th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

xen