๐Ÿ›ก๏ธ CVE-2025-63384
๐ŸŸก CVSS 6.5 โ€” Medium โš ๏ธ Exploit Public CWE-266 NVD
6.5
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity MEDIUM
CVSS Score 6.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE CWE-266
Public Exploit โš ๏ธ Yes
Source NVD
Published 2025-11-10
Updated 2026-06-02
Modified 2026-02-05
Fix URL N/A

Affected Packages

Software From version Fixed in
rocketchip โ€” 1.6

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