CVE-2021-41612 — HIGH (8.8)

Q: How severe is CVE-2021-41612?

CVE-2021-41612 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-41612?

Check the references section above for vendor advisories and patch information. Affected products include: Openrisc Mor1Kx Firmware, Openrisc Mor1Kx.

Vulnerability 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.

CVSS Score

8.8

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Openrisc	Mor1Kx Firmware	< 5.1
Openrisc	Mor1Kx	-

References

https://github.com/openrisc/mor1kx/issues/139VDB Entry
https://seth.engr.tamu.edu/software-releases/thehuzz/ExploitThird Party Advisory
https://github.com/openrisc/mor1kx/issues/139VDB Entry
https://seth.engr.tamu.edu/software-releases/thehuzz/ExploitThird Party Advisory

FAQ

What is CVE-2021-41612?

CVE-2021-41612 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 f...

How severe is CVE-2021-41612?

CVE-2021-41612 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-41612?

Check the references section above for vendor advisories and patch information. Affected products include: Openrisc Mor1Kx Firmware, Openrisc Mor1Kx.