7.8

CVE-2022-48672: of: fdt: fix off-by-one error in unflatten_dt_nodes()

Modified
AliasesUBUNTU-CVE-2022-48672DEBIAN-CVE-2022-48672
Published 03-05-2024Last modified 11-05-2026

Vulnerability summary

CVE-2022-48672 is a high (CVSS 7.8) Off-by-one Error vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 16.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 12 · Related 11
RHSA-2024:9315SUSE-SU-2024:1642-1SUSE-SU-2024:1643-1SUSE-SU-2024:1644-1SUSE-SU-2024:1645-1SUSE-SU-2024:1659-1

Timeline

  1. 03-05-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.25% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu100 products
  • linux< 4.15.0-204.215 | < 5.4.0-136.153 | < 5.15.0-57.63
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.15.0-1150.163 | < 5.4.0-1093.101 | < 5.15.0-1027.31
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455, < cbdda20ce363356698835185801a58a28f644853 | ≥ 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455, < 2566706ac6393386a4e7c4ce23fe17f4c98d9aa0 | ≥ 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455, < e0e88c25f88b9805572263c9ed20f1d88742feaf | ≥ 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455, < ee4369260e77821602102dcc7d792de39a56365c | ≥ 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455, < ba6b9f7cc1108bad6e2c53b1d6e0156379188db7 | ≥ 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455, < 2133f451311671c7c42b5640d2b999326b39aa0e | ≥ 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455, < 2f945a792f67815abca26fa8a5e863ccf3fa1181 | 4.7
  • linux_kernel≥ 4.7, < 4.14.295 | ≥ 4.15, < 4.19.260 | ≥ 4.20, < 5.4.215 | ≥ 5.5, < 5.10.145 | ≥ 5.11, < 5.15.70 | ≥ 5.16, < 5.19.11
Debian1 product
  • linux< 5.19.11-1

3 vendors · 103 products

References

11 links
Show all 11 references