CVE-2025-58150

⚠️ high

Summary

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

EPSS Score

0.0

Exploit Probability

Published Date

2026-01-28

First Seen: 2026-01-29

📊 Relative Risk Intelligence

This CVE is High Risk - more severe than 81.1% of all 321,566 vulnerabilities in our database.

#60,805

Top 25% most severe

Severity Percentile

🎯 CISA SSVC Assessment Updated: Jan 28, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Total

Complete system compromise possible

🏆 Discovered By

This issue was discovered by Jan Beulich of SUSE.

SSVC data provided by CISA

Last Modified 2026-02-09

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-787

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
xen	xen	Affected	v-

🔗 References 3

https://xenbits.xenproject.org/xsa/advisory-477.html

Mitigation Patch Vendor Advisory

http://www.openwall.com/lists/oss-security/2026/01/27/1

Mailing List Mitigation Patch Third Party Advisory

http://xenbits.xen.org/xsa/advisory-477.html

Mailing List Patch Vendor Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-23557	🔶 medium	6.5	-	Any guest can cause xenstored to crash by issuing a XS_RESET_WATCHES command within a transaction due to an assert() tri...	2026-05-19
CVE-2026-23558	⚠️ high	7.8	-	The adjustments made for XSA-379 as well as those subsequently becoming XSA-387 still left a race window, when a HVM or ...	2026-05-19
CVE-2026-23554	⚠️ high	7.8	0.0	The Intel EPT paging code uses an optimization to defer flushing of any cached EPT state until the p2m lock is dropped, ...	2026-03-23
CVE-2026-23555	⚠️ high	7.1	0.0	Any guest issuing a Xenstore command accessing a node using the (illegal) node path "/local/domain/", will crash xenstor...	2026-03-23
CVE-2026-23553	ℹ️ low	2.9	0.0	In the context switch logic Xen attempts to skip an IBPB in the case of a vCPU returning to a CPU on which it was the pr...	2026-01-28
CVE-2025-58147	⚠️ high	7.5	0.0	[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to whi...	2025-10-31

These CVEs affect the same products