CVE-2025-58150 — HIGH (8.8)

Vulnerability 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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Xen	Xen	-

Related Weaknesses (CWE)

CWE-787

References

https://xenbits.xenproject.org/xsa/advisory-477.htmlMitigationPatchVendor Advisory
http://www.openwall.com/lists/oss-security/2026/01/27/1Mailing ListMitigationPatch
http://xenbits.xen.org/xsa/advisory-477.htmlMailing ListPatchVendor Advisory

FAQ

What is CVE-2025-58150?

CVE-2025-58150 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 si...

How severe is CVE-2025-58150?

CVE-2025-58150 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-58150?

Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.