CVE-2021-40506

2023-04-1800:00:00

mitre

www.cve.org

issue discovered

alu unit

or1200 processor

overflow flag

msb instruction

mac instruction

incorrect value

software corruption

execution

10 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

74.2%

JSON

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 corruption in execution.