platform/x86: lg-laptop: Fix LED resource handling

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-93128
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-17 17:18:07 UTC
Updated2026-10-21 13:21:00 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: platform/x86: lg-laptop: Fix LED resource handling The event notification callback might access kbd_backlight even when it was not successfully registered with the LED subsystem. The same happens inside acpi_remove(), where the LED devices are unregistered unconditionally. Fix this by tracking the availability of the kbd_backlight LED device and use devm_led_classdev_register() to let devres take care of unregistering the LED devices during removal. For this the parent device of the LED devices is changed to the native platform device.

Risk And Classification

EPSS: 0.002000000 probability, percentile 0.093170000 (date 2026-10-21)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected ae26278829a80ad0e60ff004de71e9276cee5dc0 fc45f6e4b86c2fa1cf742c23a373d777d066aa25 git Not specified
CNA Linux Linux affected ae26278829a80ad0e60ff004de71e9276cee5dc0 4fbfe3714f645b6c64c9ba8faa83b27e4c9f2edd git Not specified
CNA Linux Linux affected ae26278829a80ad0e60ff004de71e9276cee5dc0 9a85e2d35e54248aca39bad4f4152ed34de1995f git Not specified
CNA Linux Linux affected ae26278829a80ad0e60ff004de71e9276cee5dc0 acc190322250562d5f28860f4ae1ebaf3e304fc2 git Not specified
CNA Linux Linux affected ae26278829a80ad0e60ff004de71e9276cee5dc0 3e91964aa74ab261aa15d9d96318eded2fd9d22a git Not specified
CNA Linux Linux affected 5.15 Not specified
CNA Linux Linux unaffected 5.15 semver Not specified
CNA Linux Linux unaffected 6.6.160 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.110 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.52 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.6 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/fc45f6e4b86c2fa1cf742c23a373d777d066aa25 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3e91964aa74ab261aa15d9d96318eded2fd9d22a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/acc190322250562d5f28860f4ae1ebaf3e304fc2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/4fbfe3714f645b6c64c9ba8faa83b27e4c9f2edd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/9a85e2d35e54248aca39bad4f4152ed34de1995f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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