7.8

CVE-2022-48672

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

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.7 < 4.14.295
Linux ≫ Linux Kernel Version >= 4.15 < 4.19.260
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.215
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.145
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.70
Linux ≫ Linux Kernel Version >= 5.16 < 5.19.11
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.25% 0.158
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-193 Off-by-one Error

A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.

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