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-2021-40507

An issue was discovered in the ALU unit of the OR1200 aka OpenRISC 1200 processor 2011-09-10 through 2015-11-11. The overflow flag is not being updated correctly for the subtract instruction, which results in an incorrect value in the overflow flag. Any software that relies on this flag may...

CVE-2021-40506

An issue was discovered in the ALU unit of the OR1200 aka OpenRISC 1200 processor 2011-09-10 through 2015-11-11. The overflow flag is not being updated for the msb and mac instructions, which results in an incorrect value in the overflow flag. Any software that relies on this flag may experience...

OR1200 Authorization Issue Vulnerability

OR1200 is an OpenRISC 1200 implementation of the OpenRISC open source. A security vulnerability exists in OR1200 that stems from the overflow flag of a subtraction instruction in an ALU unit not being updated correctly, resulting in an incorrect value in the overflow flag...

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: Improper Authentication

An issue was discovered in the ALU unit of the OR1200 aka OpenRISC 1200 processor 2011-09-10 through 2015-11-11. The overflow flag is not being updated correctly for the subtract instruction, which results in an incorrect value in the overflow flag. Any software that relies on this flag may...

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 ...

PT-2023-12363 · Or1200 · Or1200

Name of the Vulnerable Software and Affected Versions: OR1200 aka OpenRISC 1200 processor versions 2011-09-10 through 2015-11-11 Description: An issue in the ALU unit of the processor causes the overflow flag not to be updated for the msb and mac instructions, resulting in an incorrect value in t...

CVE-2021-40506

An issue was discovered in the ALU unit of the OR1200 aka OpenRISC 1200 processor 2011-09-10 through 2015-11-11. The overflow flag is not being updated for the msb and mac instructions, which results in an incorrect value in the overflow flag. Any software that relies on this flag may experience...

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...

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...

PT-2023-12377 · Unknown · Openrisc Mor1Kx

Name of the Vulnerable Software and Affected Versions: OpenRISC mor1kx processor affected versions not specified Description: An issue was discovered in the ALU unit of the OpenRISC mor1kx processor, where the carry flag is not being updated correctly for the subtract instruction. This results in...

CVE-2021-40507

An issue was discovered in the ALU unit of the OR1200 aka OpenRISC 1200 processor 2011-09-10 through 2015-11-11. The overflow flag is not being updated correctly for the subtract instruction, which results in an incorrect value in the overflow flag. Any software that relies on this flag may...

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-2021-40506

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-2021-40507

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...

OR1200 Authorization Issue Vulnerability

OR1200 is an OpenRISC 1200 implementation of the OpenRISC open source. A security vulnerability exists in OR1200 that stems from the ALU unit not updating the overflow flags for the msb and mac instructions, resulting in incorrect values in the overflow flags...

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-2021-41614: 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...