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HIGH

CVE-2021-41612

CVSS v3

8.8

HIGH

EPSS Score

1.1 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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.

Technical details

Published
2023-04-18

Frequently asked questions

What is 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.

Is CVE-2021-41612 actively exploited?

Active exploitation of CVE-2021-41612 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-41612?

CVE-2021-41612 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2021-41612 affecting your environment?

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