CVE-2025-22099: drm: xlnx: zynqmp_dpsub: Add NULL check in zynqmp_audio_init

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: 2025-04-16 · updated 2026-06-17
Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: drm: xlnx: zynqmp_dpsub: Add NULL check in zynqmp_audio_init devm_kasprintf() calls can return null pointers on failure. But some return values were not checked in zynqmp_audio_init(). Add NULL check in zynqmp_audio_init(), avoid referencing null pointers in the subsequent code.

Affected products

Linux kernel: from 6.14 before 6.14.2 — fixed in 6.14.2

How to fix

Upgrade to a fixed version: Linux kernel 6.14.2. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/066d6f22e7d84953db6bbf2dae507401157660c6
https://git.kernel.org/stable/c/d0660f9c588a1246a1a543c91a1e3cad910237da

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