What is CVE-2025-63384?

CVE-2025-63384 is a medium-severity vulnerability in Chipsalliance Rocketchip, classified under Incorrect Privilege Assignment. CVSS score: 6.5/10. Published 2025-11-10.

How severe is CVE-2025-63384?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Privilege escalation in Chipsalliance Rocketchip

CVE-2025-63384

A vulnerability was discovered in RISC-V Rocket-Chip v1.6 and before implementation where the SRET (Supervisor-mode Exception Return) instruction fails to correctly transition the processor's privilege level. Instead of downgrading from Ma…

EPSS: 0.003 (19.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Chipsalliance Rocketchip
N/a — versions n/a

Weakness classification (CWE)

CWE-266 — Incorrect Privilege Assignment

References

cve@mitre.org (Product)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-63384?: CVE-2025-63384 is a medium-severity vulnerability in Chipsalliance Rocketchip, classified under Incorrect Privilege Assignment. CVSS score: 6.5/10. Published 2025-11-10.
How severe is CVE-2025-63384?: Medium severity. CVSS v3 base score is 6.5 out of 10.