CVE-2023-54147: media: platform: mtk-mdp3: Add missing check and free for ida_alloc

Severity: unknown
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: 2025-12-24 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: media: platform: mtk-mdp3: Add missing check and free for ida_alloc Add the check for the return value of the ida_alloc in order to avoid NULL pointer dereference. Moreover, free allocated "ctx->id" if mdp_m2m_open fails later in order to avoid memory leak.

Affected products

Linux kernel: 6.1 — fixed in 6.4

How to fix

Upgrade to a fixed version: Linux kernel 6.4. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/22b72cad501fb75500cc60af4d92de3066fb6fc2
https://git.kernel.org/stable/c/4c173a65a2b1cc0556c3f6f0bab82e4fdb449522
https://git.kernel.org/stable/c/51fc1880e47421ee7b192372e8e86b7bbba40776
https://git.kernel.org/stable/c/d00f592250782538cda87745607695b0fe27dcd4

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