How severe is CVE-2022-34635?

CVE-2022-34635 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-34635 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-34635?

CVE-2022-34635 affects Openhwgroup Cva6. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-34635?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-34635 published?

CVE-2022-34635 was published on 2022-07-18 and last updated on 2026-06-17.

CVE-2022-34635

CVE-2022-34635 is a critical-severity vulnerability in Openhwgroup Cva6 with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Openhwgroup Cva6
Published: 2022-07-18
Last modified: 2026-06-17

Description

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

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 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-34635 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-34635?: CVE-2022-34635 affects Openhwgroup Cva6. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-34635?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-34635 published?: CVE-2022-34635 was published on 2022-07-18 and last updated on 2026-06-17.

References

https://github.com/openhwgroup/cva6/issues/917

Affected products (1)

cpe:2.3:a:openhwgroup:cva6:-:*:*:*:*:*:*:*

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