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

What is CVE-2025-22099?

CVE-2025-22099 is a medium-severity vulnerability in Linux kernel, published on 16 Apr 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-476

Which versions are affected by CVE-2025-22099?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2025-22099?

Apply the vendor's patch.

Is CVE-2025-22099 being exploited?

There is no known exploitation of CVE-2025-22099 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BELL-CVE-2025-22099, GHSA-r428-mj5m-mqvq, ROOT-OS-DEBIAN-13-CVE-2025-22099, UBUNTU-CVE-2025-22099.