cvedb.io
CVE-2021-3612
HIGH · CVSS 7.8
EPSS exploitation probability: 0%
Published 2021-07-09T11:15:09.457 · Last modified 2026-06-17T04:05:26.370

Summary

An out-of-bounds memory write flaw was found in the Linux kernel's joystick devices subsystem in versions before 5.9-rc1, in the way the user calls ioctl JSIOCSBTNMAP. This flaw allows a local user to crash the system or possibly escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Affected products

linux — linux_kernel

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.