CVE-2026-43243 Details
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add signal type check for dcn401 get_phyd32clk_src Trying to access link enc on a dpia link will cause a crash otherwise
A vulnerability in the Linux kernel's handling of DisplayPort links in the AMD DCN401 display controller can lead to a system crash. This issue arises because the current implementation does not properly check the signal type before accessing the link encoder on a DisplayPort internal audio (dpia) link. The vulnerability is present in the Linux kernel stable tree.
Users can upgrade to the latest version of the Linux kernel where this vulnerability has been addressed.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://git.kernel.org/stable/c/23e7150afc70da615857f9f07b494ec58540f096 | kernel.org | Patch |
| https://git.kernel.org/stable/c/486b2909ac284185900c06f05ffc6eca895f38b8 | kernel.org | Patch |
| https://git.kernel.org/stable/c/c979d8db7b0f293111f2e83795ea353c8ed75de9 | kernel.org | Patch |
| https://git.kernel.org/stable/c/e332112255afbce02db67760f5743a1b13aa8541 | kernel.org | Patch |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-noinfo | Insufficient Information to Classify Weakness | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| linux linux kernel | >= 6.11, < 6.12.75 >= 6.13, < 6.18.16 >= 6.19, < 6.19.6 |
CPE
Remediation
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Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | kernel.org |
| May 11, 2026 | Initial Analysis | [email protected] |
| May 6, 2026 | New CVE Received | kernel.org |