Re: [U-Boot] [PATCH 2/2] fdt_region: Ensure that depth never goes below -1

2018-11-13 Thread Simon Glass
On 7 November 2018 at 11:51, Tom Rini wrote: > From: Konrad Beckmann > > A specially crafted FIT image makes it possible to overflow the stack > with controlled values when using the verified boot feature. Depending > on the memory layout, this could be used to overwrite configuration >

[U-Boot] [PATCH 2/2] fdt_region: Ensure that depth never goes below -1

2018-11-07 Thread Tom Rini
From: Konrad Beckmann A specially crafted FIT image makes it possible to overflow the stack with controlled values when using the verified boot feature. Depending on the memory layout, this could be used to overwrite configuration variables on the heap and setting them to 0, e.g. disable