CVE-2025-58150

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.

• CWE-787

• https://xenbits.xenproject.org/xsa/advisory-477.htmlMitigation, Patch, Vendor Advisory
• http://www.openwall.com/lists/oss-security/2026/01/27/1Mailing List, Mitigation, Patch, Third Party Advisory
• http://xenbits.xen.org/xsa/advisory-477.htmlMailing List, Patch, Vendor Advisory

Published

Jan 28, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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