CVE-2020-25639

MEDIUM

Linux Kernel < 5.11.2 - NULL Pointer Dereference in Nouveau GPU Driver via DRM_IOCTL_NOUVEAU_CHANNEL_ALLOC

Title source: llm

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.

References (3)

Core 3

Core References

Exploit, Issue Tracking, Third Party Advisory x_refsource_misc

https://bugzilla.redhat.com/show_bug.cgi?id=1876995

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HE4CT3NL6OEBRRBUKHIX63GLNVOWCVRW/

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SUCBCKRHWP3UD2AVVYQJE7BIJEMCMXW5/

Scores

CVSS v3 4.4

EPSS 0.0012

EPSS Percentile 31.1%

Attack Vector LOCAL

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

Details

CWE

CWE-476

Status published

Products (11)

fedoraproject/fedora 32

fedoraproject/fedora 33

linux/linux_kernel < 5.11.2

redhat/enterprise_linux 5.0

redhat/enterprise_linux 6.0

redhat/enterprise_linux 7.0

redhat/enterprise_linux 8.0

redhat/messaging_realtime_grid 2.0

redhat/openshift_container_platform 4.4

redhat/openshift_container_platform 4.5

... and 1 more

Published Mar 04, 2021

Tracked Since Feb 18, 2026