CVE-2026-43243: drm/amd/display: Add signal type check for dcn401 get_phyd32clk_src
Published May 6, 2026
·Updated
drm/amd/display: Add signal type check for dcn401 getphyd32clksrc
Affected Software
5 affected componentsFixes available
Linux Linux kernel (drm/amd/display)
Microsoft azl3 kernel 6.6.137.1-2
Linux Linux kernel>=6.11<6.12.75
Linux Linux kernel>=6.13<6.18.16
Linux Linux kernel>=6.19<6.19.6
Remediation
Event History
May 6, 2026
CVE Published
via MITRE·11:28 AM
Data Sourced
via MITRE·11:28 AM
Description
Data Sourced
via NVD·12:16 PM
RemedyDescriptionSeverityAffected Software
May 7, 2026
Data Sourced
via Microsoft·08:08 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·08:08 AM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2026-43243?
CVE-2026-43243 has been classified as a medium severity vulnerability due to its potential impact on the Linux kernel's display management.
2
How do I fix CVE-2026-43243?
To fix CVE-2026-43243, ensure you update your Linux kernel to a version that includes the patch for this vulnerability.
3
Which systems are affected by CVE-2026-43243?
CVE-2026-43243 affects the Linux kernel specifically within the drm/amd/display component.
4
What type of vulnerability is CVE-2026-43243?
CVE-2026-43243 is a vulnerability related to improper signal type checks in the AMD display driver for the Linux kernel.
5
Is there a patch available for CVE-2026-43243?
Yes, a patch for CVE-2026-43243 has been made available in the latest updates of the Linux kernel.