TI-2021-12709 Aliases CVE-2021-33137 GHSA-9mjx-7c67-crwf

Out-of-bounds write in Intel Kernelflinger project

LOW 36CWE-787Published 2022-02-09 · Updated 2025-05-05

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

Out-of-bounds write in the Intel(R) Kernelflinger project may allow an authenticated user to potentially enable escalation of privilege via local access.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00241 15th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	Intel(R) Kernelflinger project	See references	—	No fix listed	CNA

Intel(R) Kernelflinger project Vendor— Affected See references Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:intel:kernelflinger::::::::	before 2021-06-28	Vulnerable	Intel

cpe:2.3:a:intel:kernelflinger:*:*:*:*:*:*:*:* Versions before 2021-06-28 Vulnerable ·Intel

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-33137
2026-10-03 Alias added: GHSA-9mjx-7c67-crwf

References

Advisory 1

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00591.html

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences