CVE-2022-48672

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

HIGH 7.8

At a glance

Source
NVD
EPSS
EPSS 0.25 % · percentile 16 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

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.

Weaknesses (CWE)

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455 < cbdda20ce363356698835185801a58a28f644853 ; affected 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455 < 2566706ac6393386a4e7c4ce23fe17f4c98d9aa0 ; affected 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455 < e0e88c25f88b9805572263c9ed20f1d88742feaf ; affected 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455 < ee4369260e77821602102dcc7d792de39a56365c ; affected 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455 < ba6b9f7cc1108bad6e2c53b1d6e0156379188db7 ; affected 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455 < 2133f451311671c7c42b5640d2b999326b39aa0e
Linux · Linuxaffected 4.7 ; unaffected 0 < 4.7 ; unaffected 4.14.295 ≤ 4.14.* ; unaffected 4.19.260 ≤ 4.19.* ; unaffected 5.4.215 ≤ 5.4.* ; unaffected 5.10.145 ≤ 5.10.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD