CWE
476
Advisory Published
Updated

CVE-2024-50198: iio: light: veml6030: fix IIO device retrieval from embedded device

First published: Fri Nov 08 2024(Updated: )

In the Linux kernel, the following vulnerability has been resolved: iio: light: veml6030: fix IIO device retrieval from embedded device The dev pointer that is received as an argument in the in_illuminance_period_available_show function references the device embedded in the IIO device, not in the i2c client. dev_to_iio_dev() must be used to accessthe right data. The current implementation leads to a segmentation fault on every attempt to read the attribute because indio_dev gets a NULL assignment. This bug has been present since the first appearance of the driver, apparently since the last version (V6) before getting applied. A constant attribute was used until then, and the last modifications might have not been tested again.

Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Affected SoftwareAffected VersionHow to fix
Linux Linux kernel>=5.5<5.10.228
Linux Linux kernel>=5.11<5.15.169
Linux Linux kernel>=5.16<6.1.114
Linux Linux kernel>=6.2<6.6.58
Linux Linux kernel>=6.7<6.11.5
Linux Linux kernel=6.12-rc1
Linux Linux kernel=6.12-rc2
Linux Linux kernel=6.12-rc3

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