of: fdt: fix off-by-one error in unflatten_dt_nodes()
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.2%
exploitation probability
0.2%top 86% of all CVEs
observed exploitation
nono source reports it
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.
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/2133f451311671c7c42b5640d2b999326b39aa0ehttps://git.kernel.org/stable/c/2566706ac6393386a4e7c4ce23fe17f4c98d9aa0https://git.kernel.org/stable/c/2f945a792f67815abca26fa8a5e863ccf3fa1181https://git.kernel.org/stable/c/ba6b9f7cc1108bad6e2c53b1d6e0156379188db7https://git.kernel.org/stable/c/cbdda20ce363356698835185801a58a28f644853https://git.kernel.org/stable/c/e0e88c25f88b9805572263c9ed20f1d88742feafhttps://git.kernel.org/stable/c/ee4369260e77821602102dcc7d792de39a56365c