CVE-2021-41614 Privilege escalation in n/a

High 7.8 Published 18 Apr 2023 Updated 6 Feb 2025

Unauthorized user programs can read and write the Exception Program Counter Register in OpenRISC mor1kx processors, enabling privilege escalation.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-41614?

CVE-2021-41614 is a high-severity vulnerability in n/a, published on 18 Apr 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue was discovered in the controller unit of the OpenRISC mor1kx processor. The read/write access permissions to the Exception Program Counter Register (EPCR) are not implemented correctly. User programs from an unauthorized privilege level can make read/write accesses to EPCR.

Weakness: CWE-276

Which versions are affected by CVE-2021-41614?

It affects 1 product.

Products include Openrisc Mor1kx Firmware.

How do I fix CVE-2021-41614?

No fix has been published for CVE-2021-41614 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-41614 being exploited?

There is no known exploitation of CVE-2021-41614 in the wild and no public exploit code.

Sources

Also known as GHSA-c5gr-hg39-gr5m.