CVE-2025-51677

critical

Description

An issue was discovered in openRISC OR1200 commit 83ac6b. An output mismatch between the RTL and the netlist of the or1200 cpu output port can lead to unexpected behavior.

References

https://www.arxiv.org/abs/2504.18812

https://mason.gmu.edu/~rsaravan/projects/synfuzz/cve/cve.html

https://github.com/openrisc/mor1kx/issues/160#issuecomment-2585618940

Details

Source: Mitre, NVD

Published: 2026-07-17

Updated: 2026-07-17

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Severity: Critical