Error in JPNS kernel of Butter
Priority LOW 39CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
Butter is a system usability utility. Due to a kernel error the JPNS kernel is being discontinued. Affected users are recommend to update to the Trinity kernel. There are no workarounds.
Why it matters now
EPSS 0.00763 55th percentileScored 2026-11-07
Fix Fixed Butter (FrankEnderman): 1.5
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| FrankEnderman | Butter | before 1.5 | 1.5 | Patch available | CNA |
- Butter VendorFrankEnderman Affected before 1.5 Fixed in 1.5 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:butter_project:butter:*:*:*:*:*:*:*:* | before 1.5 | Vulnerable | Butter Project |
- cpe:2.3:a:butter_project:butter:*:*:*:*:*:*:*:* Versions before 1.5 Vulnerable ·Butter Project
Remediation
- Fix · CNA Butter (FrankEnderman) Fixed in 1.5
Timeline
- 2026-10-02 Threatist record created from CVE-2021-39230
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences