What’s Vulnerable › Vulnerabilities

CVE-2024-43886: drm/amd/display: Add null check in resource_log_pipe_topology_update

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-08-26 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add null check in resource_log_pipe_topology_update [WHY] When switching from "Extend" to "Second Display Only" we sometimes call resource_get_otg_master_for_stream on a stream for the eDP, which is disconnected. This leads to a null pointer dereference. [HOW] Added a null check in dc_resource.c/resource_log_pipe_topology_update.

Affected products

• Linux kernel: before 6.10.5 — fixed in 6.10.5

How to fix

Upgrade to a fixed version: Linux kernel 6.10.5. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/899d92fd26fe780aad711322aa671f68058207a6
• https://git.kernel.org/stable/c/c36e922a36bdf69765c340a0857ca74092003bee

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