Description

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 Machine-mode (M-mode) to Supervisor-mode (S-mode) as specified by the sstatus.SPP bit, the processor incorrectly remains in M-mode, leading to a critical privilege retention vulnerability.

INFO

Published Date :

2025-11-10T00:00:00.000Z

Last Modified :

2025-11-12T20:39:11.448Z

Source :

mitre
AFFECTED PRODUCTS

The following products are affected by CVE-2025-63384 vulnerability.

Vendors Products
Chipsalliance
  • Rocket-chip
  • Rocketchip
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-63384.

URL Resource
https://github.com/107040503/RISC-V-Vulnerability-Disclosure_SRET cve-icon cve-icon
https://github.com/chipsalliance/rocket-chip.git cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact