PatchSiren

OpenSBI CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

HIGH OpenSBI CVE published 2026-07-27

CVE-2025-63913

CVE-2025-63913 is a high-severity vulnerability in OpenSBI 1.3, allowing attackers to cause a denial of service via crafted requests to SBI function #2 or the 'Find and configure a matching counter' function of SBI PMU extension. Defenders should assess potential exposure and impact, especially for systems with internet-exposed interfaces. The vulnerability's impact on system availability and reliability [truncated]