CVE-2021-41612
highpriority · track · 35EPSS 0.011 · 67 %ileEUUSEPSS · scored 2026-10-26
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2021-41612/cnnvd
- https://github.com/openrisc/mor1kx/issues/139cnnvd
- https://seth.engr.tamu.edu/software-releases/thehuzz/cnnvd
- https://github.com/openrisc/mor1kx/issues/139enisa_euvd
- https://seth.engr.tamu.edu/software-releases/thehuzz/enisa_euvd
- https://github.com/openrisc/mor1kx/issues/139VDB Entrynvd
- https://seth.engr.tamu.edu/software-releases/thehuzz/ExploitThird Party Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan