Bug 2429578 (CVE-2025-71138)

Summary: CVE-2025-71138 kernel: drm/msm/dpu: Add missing NULL pointer check for pingpong interface
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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OS: Linux   
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Description OSIDB Bzimport 2026-01-14 16:01:44 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/msm/dpu: Add missing NULL pointer check for pingpong interface

It is checked almost always in dpu_encoder_phys_wb_setup_ctl(), but in a
single place the check is missing.
Also use convenient locals instead of phys_enc->* where available.

Patchwork: https://patchwork.freedesktop.org/patch/693860/
Comment 1 Jon Moroney 2026-01-14 21:00:13 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026011454-CVE-2025-71138-d052@gregkh/T