CVE-2025-51675: OpenRISC OR1200 vulnerability
Published Aug 26, 2026
·Updated
An issue was discovered in openRISC OR1200 commit 83ac6b. An inaccurate update of program counter (PC) values when SPR changes can lead to a Denial of Service (DoS).
Affected Software
1 affected component
OpenRISC OR1200=83ac6b
Event History
Aug 26, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·09:16 PM
Description
Frequently Asked Questions
1
What condition is required to trigger the denial of service?
The issue is triggered when SPR changes cause inaccurate updates of program counter values. The provided information does not state whether this can be reached by unprivileged software or requires privileged access to modify SPRs.
2
Which versions are known to be affected?
The affected software is identified as openRISC OR1200 at commit 83ac6b. No affected version range, fixed commit, or patched release is provided.
3
What is the documented impact?
The documented impact is denial of service resulting from incorrect program counter updates. No information is provided about data exposure, code execution, or persistence.