CVE-2026-68203
Description
In the Linux kernel, the following vulnerability has been resolved: media: vivid: fix cleanup bugs in vivid_init() When platform_device_register() fails in vivid_init(), the embedded struct device in vivid_pdev has already been initialized by device_initialize(), but the failure path jumps to free_output_strings without dropping the device reference for the current platform device: vivid_init() -> platform_device_register(&vivid_pdev) -> device_initialize(&vivid_pdev.dev) -> setup_pdev_dma_masks(&vivid_pdev) -> platform_device_add(&vivid_pdev) This leads to a reference leak when platform_device_register() fails. Fix this by calling platform_device_put() before jumping to the common cleanup path. Also, the unreg_driver label incorrectly calls platform_driver_register() instead of platform_driver_unregister(), which breaks cleanup when workqueue creation fails after successful driver registration. Fix that as well. The reference leak was identified by a static analysis tool I developed and confirmed by manual review. The incorrect cleanup call was found during code inspection.
How to fix
- Linux Linux6c7307c1b45da4fef6b445ca5c113457d86a7806, ae6ccae32f51f788035d2c5cec898491dd7150ef, 4385092a86b94e1f332db35a3766108978c0722f, 1349af7f87df57940619f5b87990b799dac9ed8a, 6d51ad8f1c50c50d1abcc97fd243179967184c6a, a07c179a92e949172ca52f6d4a13202ea88cd4b7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | f46d740fb0258982f00ffdbddc6486e674edafb5 ≤ v < 6c7307c1b45da4fef6b445ca5c113457d86a7806, f46d740fb0258982f00ffdbddc6486e674edafb5 ≤ v < ae6ccae32f51f788035d2c5cec898491dd7150ef, f46d740fb0258982f00ffdbddc6486e674edafb5 ≤ v < 4385092a86b94e1f332db35a3766108978c0722f, f46d740fb0258982f00ffdbddc6486e674edafb5 ≤ v < 1349af7f87df57940619f5b87990b799dac9ed8a, f46d740fb0258982f00ffdbddc6486e674edafb5 ≤ v < 6d51ad8f1c50c50d1abcc97fd243179967184c6a, f46d740fb0258982f00ffdbddc6486e674edafb5 ≤ v < a07c179a92e949172ca52f6d4a13202ea88cd4b7, 4.1 | 6c7307c1b45da4fef6b445ca5c113457d86a7806, ae6ccae32f51f788035d2c5cec898491dd7150ef, 4385092a86b94e1f332db35a3766108978c0722f, 1349af7f87df57940619f5b87990b799dac9ed8a, 6d51ad8f1c50c50d1abcc97fd243179967184c6a, a07c179a92e949172ca52f6d4a13202ea88cd4b7 |
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