Missing Release of Resource after Effective Lifetime in Linux kernel - CVE-2026-23426
Published: April 6, 2026
Vulnerability identifier: #VU124945
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-23426
CWE-ID: CWE-772
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a device node reference leak in logicvc_drm_config_parse() when parsing the "layers" node from the device tree. A local user can trigger the vulnerable code path to cause a denial of service.
The issue results from a missing release of the reference returned by of_get_child_by_name(). No user interaction is required.
How to mitigate CVE-2026-23426
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/0bd326dffd9e103335d77d9c31275c0d5a7979eb
- https://git.kernel.org/stable/c/78e91e49d28e05ccaa6b445bafb5e367d57c9583
- https://git.kernel.org/stable/c/871630255ecd2d9b64ad1d75a7dfc0567d7d9989
- https://git.kernel.org/stable/c/b88f49910be147b7974098b9172b0d3873142d6a
- https://git.kernel.org/stable/c/f8a6eba20edb938166b26e133cc61306e1bc6de9
- https://git.kernel.org/stable/c/fef0e649f8b42bdffe4a916dd46e1b1e9ad2f207