cvedb.io
CVE-2021-40506
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2023-04-18T12:15:07.150 · Last modified 2026-06-17T04:07:03.587

Summary

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.

Affected products

openrisc — or1200_firmware

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.