Code injection

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...

Code injection

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...

OpenRISC mor1kx security vulnerability

mor1kx is an OpenRISC 1000 processor IP core open-sourced by OpenRISC. A security vulnerability exists in OpenRISC mor1kx that stems from the subtraction instruction feed flags of the ALU unit not being updated correctly, resulting in an incorrect value for the feed flags...

OpenRISC mor1kx security vulnerability

mor1kx is an OpenRISC 1000 processor IP core open sourced from OpenRISC. A security vulnerability exists in OpenRISC mor1kx, which arises from an exceptionally valid address register in the control unit that does not properly implement write logic...

CVE-2021-41612

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-2021-41613: Undefined Security Weakness

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...

CVE-2021-41614: Incorrect Default Permissions

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...

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...

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 ...

CVE-2021-41613

CVE-2021-41613 concerns the OpenRISC mor1kx processor: the controller unit’s write logic for the Exception Effective Address Register (EEAR) is not implemented correctly, causing user programs from authorized privilege levels to be unable to write to EEAR. The documented impact is limited to this...

CVE-2021-41612

The CVE-2021-41612 entry concerns the OpenRISC mor1kx processor’s ALU: the carry flag is not updated correctly for the subtract instruction, leading to an incorrect carry flag value. This can cause software relying on the carry flag to experience execution corruption. Affected component: mor1kx A...

CVE-2021-41613

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...

PT-2023-12379 · Unknown · 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 read/write access permissions to the Exception Program Counter Register EPCR are...

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...

CVE-2021-41612: Undefined Security Weakness

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-2021-41613

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...

CVE-2021-40506

Summary of CVE-2021-40506 (OR1200/OpenRISC 1200) : The ALU unit fails to update the overflow flag for the msb and mac instructions in OR1200 processors dated 2011-09-10 through 2015-11-11, causing an incorrect overflow flag value. This can lead to execution corruption in software that relies on t...

CVE-2021-41612

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-2021-40507

The CVE-2021-40507 issue affects the OR1200/OpenRISC 1200 ALU: the subtraction instruction fails to update the overflow flag, yielding an incorrect flag value. Affected hardware: OR1200/OpenRISC 1200 processors with versions from 2011-09-10 through 2015-11-11. Impact: software relying on the over...

CVE-2021-41612

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...