#VU119513 Use of uninitialized resource in Linux kernel - CVE-2023-53856
Published: December 10, 2025 / Updated: December 12, 2025
Vulnerability identifier: #VU119513
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-53856
CWE-ID: CWE-908
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 perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized resource within the init_overlay_changeset() and of_overlay_fdt_apply() functions in drivers/of/overlay.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/01bb96ad38089f5cc6de7746dac13437d35eb1dc
- https://git.kernel.org/stable/c/3fb210cd521c9efcb211e9f5ce40fc907200bf13
- https://git.kernel.org/stable/c/a9515ff4fb142b690a0d2b58782b15903b990dba
- https://git.kernel.org/stable/c/be86241bf5d1efd16d8a7231c13b33459c5d755d
- https://git.kernel.org/stable/c/c403c81b577a67fe9ec6a2e89d143256487be50f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.3