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CVE-2026-43218: media: i2c/tw9903: Fix potential memory leak in tw9903_probe()

• Severity: medium (CVSS 5.5 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: 2026-05-06 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: media: i2c/tw9903: Fix potential memory leak in tw9903_probe() In one of the error paths in tw9903_probe(), the memory allocated in v4l2_ctrl_handler_init() and v4l2_ctrl_new_std() is not freed. Fix that by calling v4l2_ctrl_handler_free() on the handler in that error path.

Affected products

• Linux kernel: from 3.10 before 5.10.252; from 5.11 before 5.15.202; from 5.16 before 6.1.165; from 6.2 before 6.6.128; from 6.7 before 6.12.75; from 6.13 before 6.18.16 — fixed in 5.10.252, 5.15.202, 6.1.165, 6.12.75, 6.18.16, 6.19.6

How to fix

Upgrade to a fixed version: Linux kernel 5.10.252, 5.15.202, 6.1.165, 6.12.75. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/32f0493506313775d3bd448de34762b6538da6bd
• https://git.kernel.org/stable/c/92537a15780b6d0281fd8286f93fbc3652e35f48
• https://git.kernel.org/stable/c/9cb9eca33d20316ed3c7a938793b8735ac3e128b
• https://git.kernel.org/stable/c/9cea16fea47e5553f51d10957677ff735b1eff03
• https://git.kernel.org/stable/c/a114918270f0d95c607d69b03a244e6afe54813f
• https://git.kernel.org/stable/c/add02a3fb1fd71b004f0ed824cbac00f850de558
• https://git.kernel.org/stable/c/cc7aeed33e4f55c76f35f0fca73e4dfe12a63a3a
• https://git.kernel.org/stable/c/e54aa17c968c4de2c5f7b7ea390c63d33c07513b

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