VYPR
Unrated severityNVD Advisory· Published May 3, 2024· Updated May 4, 2025

of: fdt: fix off-by-one error in unflatten_dt_nodes()

CVE-2022-48672

Description

In the Linux kernel, the following vulnerability has been resolved:

of: fdt: fix off-by-one error in unflatten_dt_nodes()

Commit 78c44d910d3e ("drivers/of: Fix depth when unflattening devicetree") forgot to fix up the depth check in the loop body in unflatten_dt_nodes() which makes it possible to overflow the nps[] buffer...

Found by Linux Verification Center (linuxtesting.org) with the SVACE static analysis tool.

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166

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