CVE-2025-58150

8.8 highEPSS 0.1%

High (8.8) in xen xen. EPSS 0.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.8 high

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

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2026-01-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

xen:xen

References

https://xenbits.xenproject.org/xsa/advisory-477.html
http://www.openwall.com/lists/oss-security/2026/01/27/1
http://xenbits.xen.org/xsa/advisory-477.html

Check your stack JSON