CVE-2021-41614

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...

Privilege escalation

An issue was discovered in the ALU unit of the OpenRISC mor1kx processor. The carry flag is not being updated correctly for the subtract instruction, which results in an incorrect value of the carry flag. Any software that relies on this flag may experience corruption in execution...

CVE-2021-41614

The CVE-2021-41614 issue affects the OpenRISC mor1kx processor controller unit, where the EPCR read/write permissions are not enforced correctly, allowing read/write access to EPCR from an unauthorized privilege level. Root cause: incorrect implementation of EPCR access control in the controller ...

PT-2023-12378 · Openrisc · Openrisc Mor1Kx Processor

Name of the Vulnerable Software and Affected Versions: OpenRISC mor1kx processor affected versions not specified Description: An issue was discovered in the controller unit of the OpenRISC mor1kx processor, where the write logic of the Exception Effective Address Register EEAR is not implemented...