CVE-2021-1906
Description
Improper handling of address deregistration on failure can lead to new GPU address allocation failure. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
Summary dbcve.org
This is a GPU memory management vulnerability in Qualcomm Snapdragon chipsets where improper handling of address deregistration on failure conditions prevents subsequent GPU address allocations from succeeding. When a failure occurs during address deregistration, the GPU cannot allocate new addresses, causing potential denial of service for graphics operations.
Mitigation
Apply vendor-provided firmware/driver updates from Qualcomm that address the GPU address registration handling logic. This is a chipset-level fix requiring OEM/device manufacturer distribution.