Bug 2395403 (CVE-2023-53239)

Summary: CVE-2023-53239 kernel: drm/msm/mdp5: Add check for kzalloc
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 2025-09-15 15:11:57 UTC 
In the Linux kernel, the following vulnerability has been resolved:

drm/msm/mdp5: Add check for kzalloc

As kzalloc may fail and return NULL pointer,
it should be better to check the return value
in order to avoid the NULL pointer dereference.

Patchwork: https://patchwork.freedesktop.org/patch/514154/
Comment 1 Jon Moroney 2025-09-15 17:56:25 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025091516-CVE-2023-53239-9ea0@gregkh/T