Vulnerability · Published May 3, 2024 · Assigned by Linux
CVE-2022-48672of: fdt: fix off-by-one error in unflatten_dt_nodes()
High 7.8
In plain English
A high-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.2%top 83.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.19.11-1 | DEBIAN-CVE-2022-48672 |
| Debian:13 | linux | 5.19.11-1 | DEBIAN-CVE-2022-48672 |
| Debian:14 | linux | 5.19.11-1 | DEBIAN-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux | 5.15.0-57.63 | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1027.31 | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1030.37 | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1030.37.1 | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1026.33 | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1024.29 | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1012.16 | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1022.25 | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1023.28 | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1025.30 | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-57.63 | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1015.15 | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1026.32 | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1022.24 | UBUNTU-CVE-2022-48672 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2022-48672 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2022-48672 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 78c44d910d3e5f96dc6b3695fc1e4efd7c46a455 – before cbdda20ce363356698835185801a58a28f64485378c44d910d3e5f96dc6b3695fc1e4efd7c46a455 – before 2566706ac6393386a4e7c4ce23fe17f4c98d9aa078c44d910d3e5f96dc6b3695fc1e4efd7c46a455 – before e0e88c25f88b9805572263c9ed20f1d88742feaf78c44d910d3e5f96dc6b3695fc1e4efd7c46a455 – before ee4369260e77821602102dcc7d792de39a56365c78c44d910d3e5f96dc6b3695fc1e4efd7c46a455 – before ba6b9f7cc1108bad6e2c53b1d6e0156379188db778c44d910d3e5f96dc6b3695fc1e4efd7c46a455 – before 2133f451311671c7c42b5640d2b999326b39aa0e78c44d910d3e5f96dc6b3695fc1e4efd7c46a455 – before 2f945a792f67815abca26fa8a5e863ccf3fa1181 |
| Linux | Linux | 4.7 |
References
- https://git.kernel.org/stable/c/cbdda20ce363356698835185801a58a28f644853
- https://git.kernel.org/stable/c/2566706ac6393386a4e7c4ce23fe17f4c98d9aa0
- https://git.kernel.org/stable/c/e0e88c25f88b9805572263c9ed20f1d88742feaf
- https://git.kernel.org/stable/c/ee4369260e77821602102dcc7d792de39a56365c
- https://git.kernel.org/stable/c/ba6b9f7cc1108bad6e2c53b1d6e0156379188db7
- https://git.kernel.org/stable/c/2133f451311671c7c42b5640d2b999326b39aa0e
- https://git.kernel.org/stable/c/2f945a792f67815abca26fa8a5e863ccf3fa1181