CVE-2024-56537: drm: xlnx: zynqmp_disp: layer may be null while releasing

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: 2024-12-27 · updated 2026-06-17
Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: drm: xlnx: zynqmp_disp: layer may be null while releasing layer->info can be null if we have an error on the first layer in zynqmp_disp_create_layers

Affected products

Linux kernel: from 6.10 before 6.11.11; from 6.12 before 6.12.2 — fixed in 6.11.11, 6.12.2

How to fix

Upgrade to a fixed version: Linux kernel 6.11.11, 6.12.2. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/223842c7702b52846b1c5aef8aca7474ec1fd29b
https://git.kernel.org/stable/c/9218be402aeb1999cc119fc616e21c3cc7cdeec0
https://git.kernel.org/stable/c/ce7e62bbd55d20cf250396eb4e8f65b3b5a5e685

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