An issue was discovered in the controller unit of the OpenRISC mor1kx processor. The read/write access permissions to the Exception Program Counter Register (EPCR) are not implemented correctly. User programs from an unauthorized privilege level can make read/write accesses to EPCR.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mor1kx_firmware | Openrisc | - (including) | - (including) |