What’s Vulnerable › Vulnerabilities

CVE-2023-53748: media: mediatek: vcodec: Fix potential array out-of-bounds in decoder queue_setup

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-08 · updated 2026-08-04

Description

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: Fix potential array out-of-bounds in decoder queue_setup variable *nplanes is provided by user via system call argument. The possible value of q_data->fmt->num_planes is 1-3, while the value of *nplanes can be 1-8. The array access by index i can cause array out-of-bounds. Fix this bug by checking *nplanes against the array size.

Affected products

• Linux kernel: 4.10 — 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/48e4e06e2c5fe1fda283d499f91492eda2248bb9
• https://git.kernel.org/stable/c/8fbcf730cb89c3647f3365226fe7014118fa93c7
• https://git.kernel.org/stable/c/b8e19bf3b4aebd855be01b64674187dcf6d1db51

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