Bug 2395403 (CVE-2023-53239) - CVE-2023-53239 kernel: drm/msm/mdp5: Add check for kzalloc
Summary: CVE-2023-53239 kernel: drm/msm/mdp5: Add check for kzalloc
Keywords:
Status: NEW
Alias: CVE-2023-53239
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
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Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-09-15 15:11 UTC by OSIDB Bzimport
Modified: 2025-11-26 09:11 UTC (History)
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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
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