CVE-2020-25639

MediumCVSS 4.4/10Last modified Oct 8, 2026

Description

A NULL pointer dereference flaw was found in the Linux kernel's GPU Nouveau driver functionality in versions prior to 5.12-rc1 in the way the user calls ioctl DRM_IOCTL_NOUVEAU_CHANNEL_ALLOC. This flaw allows a local user to crash the system.

Metrics

CVSS 3.1 4.4/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

Vendor	Product	Versions
n/a	kernel	Linux kernel versions prior to 5.12-rc1

References

Timeline

Published: Mar 4, 2021
Last modified: Oct 8, 2026
NVD status: Modified

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