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A bounds verification of a slice storage of a 2-dimensional matrix's
coefficients (a kernel) would compare the total size against the product of
individual dimensions. This would erroneously cast after the multiplication
and consequently fail to detect possible violations when overflow occurs.
Afterwards, the individual sizes were trusted to properly constrain coordinates
within the matrix to indices valid for the underlying storage. With a crafted
Kernel object, certain combinations of coordinates could then cause an
out-of-bounds access in an unsafe function while fulfilling its documented
preconditions. The kernel value could be passed to library functions that
trusted the preconditions and then performed such reads.
Source: NVD
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