PT-2026-37583 · Linux+1 · Linux Kernel+1

Published 2026-05-06 · Updated 2026-05-09 · CVE-2026-43243

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A crash occurs in the AMD Linux display driver when attempting to access the link enc on a dpia link. This issue is related to a missing signal type check in the get phyd32clk src() function within the dcn401 component.

Recommendations Apply the available patch to resolve the crash bug.

Fix

Related Identifiers

CVE-2026-43243

Affected Products

Amd Linux Display Driver

Linux Kernel

References · 14

• https://nvd.nist.gov/vuln/detail/CVE-2026-43243 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-43243 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43243 · Vendor Advisory
• https://git.kernel.org/stable/c/c979d8db7b0f293111f2e83795ea353c8ed75de9 · Patch
• https://git.kernel.org/stable/c/e332112255afbce02db67760f5743a1b13aa8541 · Patch
• https://osv.dev/vulnerability/BELL-CVE-2026-43243 · Vendor Advisory
• https://git.kernel.org/stable/c/23e7150afc70da615857f9f07b494ec58540f096 · Patch
• https://cve.org/CVERecord?id=CVE-2026-43243 · Security Note
• https://git.kernel.org/stable/c/486b2909ac284185900c06f05ffc6eca895f38b8 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-43243 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-43243 · Vendor Advisory
• https://docs.bell-sw.com/security/cves/CVE-2026-43243 · Note
• https://git.kernel.org/linus/c979d8db7b0f293111f2e83795ea353c8ed75de9 · Note
• https://twitter.com/windowsforum/status/2052318677047930978 · Twitter Post