CVE-2024-57910 Information

Description

In the Linux kernel the following vulnerability has been resolved:

iio: light: vcnl4035: fix information leak in triggered buffer

The ‘buffer’ local array is used to push data to userspace from a triggered buffer but it does not set an initial value for the single data element which is an u16 aligned to 8 bytes. That leaves at least 4 bytes uninitialized even after writing an integer value with regmap_read().

Initialize the array to zero before using it to avoid pushing uninitialized information to userspace.

Reference

https://git.kernel.org/stable/c/47b43e53c0a0edf5578d5d12f5fc71c019649279 https://git.kernel.org/stable/c/47d245be86492974db3aeb048609542167f56518 https://git.kernel.org/stable/c/a15ea87d4337479c9446b5d71616f4668337afed https://git.kernel.org/stable/c/f6fb1c59776b4263634c472a5be8204c906ffc2c