CVE-2022-34635

Name: CVE-2022-34635
Creator: NVD / NIST
Published: 2022-07-18T23:15:12.797+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.78%

Last modified Jun 17, 2026

CVE-2022-34635 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The mstatus.sd field in CVA6 commit d315ddd0f1be27c1b3f27eb0b8daf471a952299a does not update when the mstatus.fs field is set to Dirty.. EPSS estimates a 0.78% chance of exploitation in the next 30 days.

Description

The mstatus.sd field in CVA6 commit d315ddd0f1be27c1b3f27eb0b8daf471a952299a does not update when the mstatus.fs field is set to Dirty.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.78%

51.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Openhwgroup	Cva6	All versions

References

https://github.com/openhwgroup/cva6/issues/917Exploit, Issue Tracking, Third Party Advisory
https://github.com/openhwgroup/cva6/issues/917Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Jul 18, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-34635?

The mstatus.sd field in CVA6 commit d315ddd0f1be27c1b3f27eb0b8daf471a952299a does not update when the mstatus.fs field is set to Dirty.

How severe is CVE-2022-34635?

CVE-2022-34635 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.

How do I fix CVE-2022-34635?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-34635?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST