CVE-2026-72144
kernel: platform/x86: dell-laptop: fix missing cleanups in init error path
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 15, 2026
Updated · August 18, 2026
Description
A flaw was found in the Linux kernel's Dell laptop driver. During the initialization process, if an error occurs with LED or backlight registration, the system fails to properly clean up all allocated resources. This oversight can lead to resources, such as notifiers and debugfs directories, remaining active. Such unmanaged resource accumulation could potentially be exploited by a local attacker to cause system instability or a denial of service (DoS).
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-772 · Missing Release of Resource after Effective Lifetime