CVE-2022-34639 json
CVA6 commit d315ddd0f1be27c1b3f27eb0b8daf471a952299a treats non-standard fence instructions as illegal which can affect the function of the…
published 2022-07-18 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-37591
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 16%
- public exploits
- 0
- none known
Summary
CVA6 commit d315ddd0f1be27c1b3f27eb0b8daf471a952299a treats non-standard fence instructions as illegal which can affect the function of the application.
Patch / fix
- github.com/openhwgroup/cva6#923 pull request
Exploit prediction
0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/openhwgroup/cva6/issues/900 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Classification
- Weakness
-
- CWE-755 Improper Handling of Exceptional Conditions
References
-
github.com
/openhwgroup/cva6/pull/923
issue-tracking, patch, third-party-advisory
-
github.com
/openhwgroup/cva6/issues/900
exploit, issue-tracking, third-party-advisory
Sources
- CVE List CVE-2022-34639
- NVD CVE-2022-34639
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.