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CVE-2025-38021

drm/amd/display: Fix null check of pipe_ctx->plane_state for update_dchubp_dpp

Published: Jun 18, 2025Updated: Nov 14, 2025 Sources: CVE List NVD BDUCWE-476
NVD MITRE
5.5CVSSMEDIUM
EPSS Score
0.1%
Top 96.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix null check of pipe_ctx->plane_state for update_dchubp_dpp Similar to commit 6a057072ddd1 ("drm/amd/display: Fix null check for pipe_ctx->plane_state in dcn20_program_pipe") that addresses a null pointer dereference on dcn20_update_dchubp_dpp. This is the same function hooked for update_dchubp_dpp in dcn401, with the same issue. Fix possible null pointer deference on dcn401_program_pipe too. (cherry picked from commit d8d47f739752227957d8efc0cb894761bfe1d879)

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
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

LinuxLinux
On-premOS
Operating Systems / linux-distro
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
Suse Linux Enterprise ServerNovell Inc.
On-premOS
Operating Systems / linux-distro
SUSE Linux Enterprise Server for SAP ApplicationsNovell Inc.
On-premOS
Operating Systems / linux-distro
linuxoss-projectOperating Systemsaka the linux kernel
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
red hat inc.commercialUSOperating Systemsaka red hat
novell inc.commercialUSOperating Systems
and 15 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Impact
Initial Access
View detailed technique mapping

References

https://git.kernel.org/stable/c/4679061fb25344d6010ce7b9bebac21c91a0b75a
git.kernel.org
https://git.kernel.org/stable/c/a3b7e65b6be59e686e163fa1ceb0922f996897c2
git.kernel.org
https://lore.kernel.org/linux-cve-announce/2025061846-CVE-2025-38020-e249@gregkh/
lore.kernel.org
and 7 more references View all →

Timeline

Published
Jun 18, 2025
Last Updated
Nov 14, 2025

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