#VU91174 Off-by-one in Linux kernel - CVE-2022-48672
Published: June 5, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91174
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-48672
CWE-ID: CWE-193
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to an off-by-one error within the unflatten_dt_nodes() function in drivers/of/fdt.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
External links
- 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
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.295
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.260
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.145
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.70
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.215
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0