CVE-2022-48672 Information

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.

Reference

https://git.kernel.org/stable/c/cbdda20ce363356698835185801a58a28f644853 https://git.kernel.org/stable/c/2566706ac6393386a4e7c4ce23fe17f4c98d9aa0 https://git.kernel.org/stable/c/e0e88c25f88b9805572263c9ed20f1d88742feaf https://git.kernel.org/stable/c/ee4369260e77821602102dcc7d792de39a56365c https://git.kernel.org/stable/c/ba6b9f7cc1108bad6e2c53b1d6e0156379188db7 https://git.kernel.org/stable/c/2133f451311671c7c42b5640d2b999326b39aa0e https://git.kernel.org/stable/c/2f945a792f67815abca26fa8a5e863ccf3fa1181