openrisc/mor1kx

openrisc/mor1kx

Releases16
Frequency8 months 3 weeks
Last Release
Stars583
mor1kx - an OpenRISC 1000 processor IP core

CVE History

CVEPublishedCVSS v3CVSS v2
8.8 HIGH

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.

4.3 MEDIUM

An issue was discovered in the controller unit of the OpenRISC mor1kx processor. The write logic of Exception Effective Address Register (EEAR) is not implemented correctly. User programs from authorized privilege levels will be unable to write to EEAR.

7.8 HIGH

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.