What is CVE-2022-34635?

CVE-2022-34635 is a critical-severity vulnerability in Openhwgroup Cva6. CVSS score: 9.8/10. Published 2022-07-18.

How severe is CVE-2022-34635?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Openhwgroup Cva6

CVE-2022-34635

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

Published 2022-07-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (58.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000

Affected products

Openhwgroup Cva6

References

github.com/openhwgroup/cva6/issues/917 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-34635?: CVE-2022-34635 is a critical-severity vulnerability in Openhwgroup Cva6. CVSS score: 9.8/10. Published 2022-07-18.
How severe is CVE-2022-34635?: Critical severity. CVSS v3 base score is 9.8 out of 10.