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CVE-2022-48672
of: fdt: fix off-by-one error in unflatten_dt_nodes()
High7.8EPSS 0.25%
- Published
- Updated
- Reserved
- Assigned by
- Linux
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.25% · top 84% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
- affected 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455 – < cbdda20ce363356698835185801a58a28f644853
- affected 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455 – < 2566706ac6393386a4e7c4ce23fe17f4c98d9aa0
- affected 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455 – < e0e88c25f88b9805572263c9ed20f1d88742feaf
- affected 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455 – < ee4369260e77821602102dcc7d792de39a56365c
- affected 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455 – < ba6b9f7cc1108bad6e2c53b1d6e0156379188db7
- affected 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455 – < 2133f451311671c7c42b5640d2b999326b39aa0e
- affected 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455 – < 2f945a792f67815abca26fa8a5e863ccf3fa1181
- affected 4.7
- unaffected < 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.*
- unaffected 5.15.70 – ≤ 5.15.*
- unaffected 5.19.11 – ≤ 5.19.*
- unaffected 6.0 – ≤ *
References (7)
- https://git.kernel.org/stable/c/cbdda20ce363356698835185801a58a28f644853 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/2566706ac6393386a4e7c4ce23fe17f4c98d9aa0 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/e0e88c25f88b9805572263c9ed20f1d88742feaf (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/ee4369260e77821602102dcc7d792de39a56365c (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/ba6b9f7cc1108bad6e2c53b1d6e0156379188db7 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/2133f451311671c7c42b5640d2b999326b39aa0e (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/2f945a792f67815abca26fa8a5e863ccf3fa1181 (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-48672)Record last updated .