Use-After-Free in Samsung Exynos DRM HDR Driver Causes Kernel Crash
CVE-2026-23787 Published on September 14, 2026
An issue was discovered in DPU in Samsung Mobile Processor Exynos 1280, 2200, 1380, 1480, 2400, 1580, 2500, 1680, and 2600. A Use-After-Free in the Exynos DRM HDR driver (due to improper cleanup upon vmap failure) leads to a kernel crash.
Vulnerability Analysis
CVE-2026-23787 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2026-23787 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-23787
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Affected Versions
Samsung Exynos 1280 firmware:- Before and including 2025-12-24 is affected.