CVE-2021-41613

4.3 mediumEPSS 0.4%

Medium (4.3) in openrisc mor1kx firmware. EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

4.3 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 34% of CVEs (scores of 2026-11-01)
Published: 2023-04-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

openrisc:mor1kx_firmware

References

https://github.com/openrisc/mor1kx/issues/141
https://seth.engr.tamu.edu/software-releases/thehuzz/
https://github.com/openrisc/mor1kx/issues/141
https://seth.engr.tamu.edu/software-releases/thehuzz/

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