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 授权问题漏洞

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...