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CVE-2020-25639

Published: Mar 4, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-476
4.4MEDIUM
NVD MITRE
EPSS Score
0.4%
Top 70.7%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:HUI:NS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-476

Affected Products

Red Hat Inc.
commercial·USaka redhat, red hat
openshift container platformOn-prem
Operating Systems / linux-distro
Red Hat Enterprise LinuxOn-premOS
Operating Systems / linux-distro
messaging realtime gridOn-prem
Operating Systems / linux-distro
Novell Inc.
commercial·US
OpenSUSE LeapOn-premOS
Operating Systems / linux-distro
Suse Linux Enterprise ServerOn-premOS
Operating Systems / linux-distro
linux
oss-projectaka the linux kernel
linux kernelOn-premOS
Operating Systems
fedoraproject
oss-project·USaka fedora project
fedoraOn-premOS
Operating Systems / linux-distro
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special Edition для «Эльбрус»On-premOS
Operating Systems / linux-distro
Fedora Project
oss-project·USaka fedora
FedoraOn-premOS
Operating Systems / linux-distro
and 4 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Impact
Initial Access
View detailed technique mapping

References

https://bugzilla.redhat.com/show_bug.cgi?id=1876995
bugzilla.redhat.com
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HE4CT3NL6OEBRRBUKHIX63GLNVOWCVRW/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SUCBCKRHWP3UD2AVVYQJE7BIJEMCMXW5/
lists.fedoraproject.org
and 25 more references View all →

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