Exynos Processors Vulnerable to Heap Over-Read Due to Lack of Input Validation

Summary

An issue was discovered in Mobile Processor, Wearable Processor Exynos 980, Exynos 850, Exynos 1080, Exynos 1280, Exynos 1380, Exynos 1330, Exynos 1480, Exynos W920, Exynos W930. In the function slsi_rx_roamed_ind(), there is no input validation check on a length coming from userspace, which can lead to a potential heap over-read.