Vulnerability in Chipsalliance Rocket-chip

CVE-2025-56301

An issue was discovered in Chipsalliance Rocket-Chip commit f517abbf41abb65cea37421d3559f9739efd00a9 (2025-01-29) allowing attackers to corrupt exception handling and privilege state transitions via a flawed interaction between exception h…

EPSS: 0.006 (43.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-56301?
CVE-2025-56301 is a high-severity vulnerability in Chipsalliance Rocket-chip, classified under CWE-1281. CVSS score: 7.5/10. Published 2025-09-30.
How severe is CVE-2025-56301?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-56301 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.