vulnerability

Red Hat: CVE-2020-25639: kernel: NULL pointer dereference via nouveau ioctl can lead to DoS

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
Mar 4, 2021
Added
Jul 9, 2025
Modified
Jul 9, 2025

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.

Solution

no-fix-redhat-rpm-package
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.