CVE-2024-56711: drm/panel: himax-hx83102: Add a check to prevent NULL pointer dereference

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: 2024-12-29 · updated 2026-06-17
Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: drm/panel: himax-hx83102: Add a check to prevent NULL pointer dereference drm_mode_duplicate() could return NULL due to lack of memory, which will then call NULL pointer dereference. Add a check to prevent it.

Affected products

Linux kernel: from 6.11 before 6.12.7; 6.13-rc1, 6.13-rc2, 6.13-rc3 — fixed in 6.12.7

How to fix

Upgrade to a fixed version: Linux kernel 6.12.7. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/747547972e647509815ad8530ff09d62220a56c2
https://git.kernel.org/stable/c/e1e1af9148dc4c866eda3fb59cd6ec3c7ea34b1d

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