CVE-2025-51675
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk18th percentile - higher than 18% of all known CVEs
Summary
A vulnerability in openRISC OR1200 (commit 83ac6b) is due to an inaccurate update of program counter (PC) values when SPR changes, which can lead to a Denial of Service (DoS).
Risk Assessment
An attacker can cause system crashes or processor hangs, potentially leading to service disruption.
Recommendation
Update the OR1200 design to a newer version that includes the fix. If not possible, restrict access to the system and monitor its stability.
Other vulnerabilities in openRISC OR1200
See all- CVE-2025-51679Critical
A vulnerability in openRISC OR1200 (commit 83ac6b) is due to a mismatch between the RTL and netlist, which can lead to unexpected behavior.
- CVE-2025-51677Critical
An output mismatch between the RTL and the netlist of the or1200 cpu output port in openRISC OR1200 (commit 83ac6b) can lead to unexpected behavior.
Original NVD description (English source)
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).