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CVE-2022-50175: media: tw686x: Fix memory leak in tw686x_video_init

• Severity: medium (CVSS 5.5 v3.1)
• 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: 2025-06-18 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: media: tw686x: Fix memory leak in tw686x_video_init video_device_alloc() allocates memory for vdev, when video_register_device() fails, it doesn't release the memory and leads to memory leak, call video_device_release() to fix this.

Affected products

• Linux kernel: from 4.7 before 5.10.137; from 5.11 before 5.15.61; from 5.16 before 5.18.18; from 5.19 before 5.19.2 — fixed in 5.10.137, 5.15.61, 5.18.18, 5.19.2

How to fix

Upgrade to a fixed version: Linux kernel 5.10.137, 5.15.61, 5.18.18, 5.19.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0597bcf774896a002edcc7934a9cdbb932b66702
• https://git.kernel.org/stable/c/611f86965df013d6021e6cd0d155b1734ad2cf21
• https://git.kernel.org/stable/c/8b412db51db24dfba22c96948580d4a12f831397
• https://git.kernel.org/stable/c/c142a7531b90c6b0f946c82d3f504b3f36a207df
• https://git.kernel.org/stable/c/e0b212ec9d8177d6f7c404315293f6a085d6ee42

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