Guoygang

The issue is related to an elevation of privilege vulnerability in the Upstream Linux linux kernel, affecting the Android product.

The issue allows local users to gain privileges by leveraging a race condition between a read operation and a store operation that involve different overrides in the driver override implementation in drivers/base/platform.c.

The issue is related to incorrect error handling in the set mempolicy and mbind compat syscalls in mm/mempolicy.c. This allows local users to obtain sensitive information from uninitialized stack data by triggering failure of a certain bitmap operation.