Heap overflow in Little Kernel in bootloader prior to SMR Mar-2024 Release 1 allows local privileged attackers to execute arbitrary code.

Stack overflow in Little Kernel in bootloader prior to SMR Mar-2024 Release 1 allows local privileged attackers to execute arbitrary code.

The imageverify function in platform/msmshared/imageverify.c in the Little Kernel (LK) bootloader, as distributed with Qualcomm Innovation Center (QuIC) Android contributions for MSM devices and other products, does not check whether a certain digest size is consistent with the RSApublicdecrypt API specification, which makes it easier for attackers to bypass boot-image authentication requirements via trailing data.

The bootlinuxfrommmc function in app/aboot/aboot.c in the Little Kernel (LK) bootloader, as distributed with Qualcomm Innovation Center (QuIC) Android contributions for MSM devices and other products, does not properly validate a certain address value, which allows attackers to write data to a controllable memory location by leveraging the ability to initiate an attempted boot of an arbitrary image.