SB2025121008 - Use of uninitialized resource in Linux kernel of driver
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025121008
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use of uninitialized resource (CVE-ID: CVE-2023-53856)
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 website.
References
- 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