{"id":"CVE-2026-93128","state":"PUBLISHED","title":"platform/x86: lg-laptop: Fix LED resource handling","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: lg-laptop: Fix LED resource handling\n\nThe event notification callback might access kbd_backlight even\nwhen it was not successfully registered with the LED subsystem.\nThe same happens inside acpi_remove(), where the LED devices are\nunregistered unconditionally.\n\nFix this by tracking the availability of the kbd_backlight LED\ndevice and use devm_led_classdev_register() to let devres take\ncare of unregistering the LED devices during removal. For this\nthe parent device of the LED devices is changed to the native\nplatform device.","publishedAt":"2026-09-17T16:11:31.933Z","updatedAt":"2026-10-30T12:36:05.653Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ae26278829a80ad0e60ff004de71e9276cee5dc0","status":"affected","lessThan":"4f9f1448dac4927ce5160f3a4a295e08fb969d32","versionType":"git"},{"version":"ae26278829a80ad0e60ff004de71e9276cee5dc0","status":"affected","lessThan":"fc45f6e4b86c2fa1cf742c23a373d777d066aa25","versionType":"git"},{"version":"ae26278829a80ad0e60ff004de71e9276cee5dc0","status":"affected","lessThan":"4fbfe3714f645b6c64c9ba8faa83b27e4c9f2edd","versionType":"git"},{"version":"ae26278829a80ad0e60ff004de71e9276cee5dc0","status":"affected","lessThan":"9a85e2d35e54248aca39bad4f4152ed34de1995f","versionType":"git"},{"version":"ae26278829a80ad0e60ff004de71e9276cee5dc0","status":"affected","lessThan":"acc190322250562d5f28860f4ae1ebaf3e304fc2","versionType":"git"},{"version":"ae26278829a80ad0e60ff004de71e9276cee5dc0","status":"affected","lessThan":"3e91964aa74ab261aa15d9d96318eded2fd9d22a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/lg-laptop.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/lg-laptop.c"]}],"references":["https://git.kernel.org/stable/c/4f9f1448dac4927ce5160f3a4a295e08fb969d32","https://git.kernel.org/stable/c/fc45f6e4b86c2fa1cf742c23a373d777d066aa25","https://git.kernel.org/stable/c/4fbfe3714f645b6c64c9ba8faa83b27e4c9f2edd","https://git.kernel.org/stable/c/9a85e2d35e54248aca39bad4f4152ed34de1995f","https://git.kernel.org/stable/c/acc190322250562d5f28860f4ae1ebaf3e304fc2","https://git.kernel.org/stable/c/3e91964aa74ab261aa15d9d96318eded2fd9d22a"],"weaknesses":[],"ingestedAt":"2026-10-30T12:54:04.478Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93128.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93128","state":"PUBLISHED","datePublished":"2026-09-17T16:11:31.933Z","dateUpdated":"2026-10-30T12:36:05.653Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-17T16:02:15.087Z"},"containers":{"cna":{"title":"platform/x86: lg-laptop: Fix LED resource handling","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: lg-laptop: Fix LED resource handling\n\nThe event notification callback might access kbd_backlight even\nwhen it was not successfully registered with the LED subsystem.\nThe same happens inside acpi_remove(), where the LED devices are\nunregistered unconditionally.\n\nFix this by tracking the availability of the kbd_backlight LED\ndevice and use devm_led_classdev_register() to let devres take\ncare of unregistering the LED devices during removal. For this\nthe parent device of the LED devices is changed to the native\nplatform device."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ae26278829a80ad0e60ff004de71e9276cee5dc0","status":"affected","lessThan":"4f9f1448dac4927ce5160f3a4a295e08fb969d32","versionType":"git"},{"version":"ae26278829a80ad0e60ff004de71e9276cee5dc0","status":"affected","lessThan":"fc45f6e4b86c2fa1cf742c23a373d777d066aa25","versionType":"git"},{"version":"ae26278829a80ad0e60ff004de71e9276cee5dc0","status":"affected","lessThan":"4fbfe3714f645b6c64c9ba8faa83b27e4c9f2edd","versionType":"git"},{"version":"ae26278829a80ad0e60ff004de71e9276cee5dc0","status":"affected","lessThan":"9a85e2d35e54248aca39bad4f4152ed34de1995f","versionType":"git"},{"version":"ae26278829a80ad0e60ff004de71e9276cee5dc0","status":"affected","lessThan":"acc190322250562d5f28860f4ae1ebaf3e304fc2","versionType":"git"},{"version":"ae26278829a80ad0e60ff004de71e9276cee5dc0","status":"affected","lessThan":"3e91964aa74ab261aa15d9d96318eded2fd9d22a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/lg-laptop.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/lg-laptop.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4f9f1448dac4927ce5160f3a4a295e08fb969d32"},{"url":"https://git.kernel.org/stable/c/fc45f6e4b86c2fa1cf742c23a373d777d066aa25"},{"url":"https://git.kernel.org/stable/c/4fbfe3714f645b6c64c9ba8faa83b27e4c9f2edd"},{"url":"https://git.kernel.org/stable/c/9a85e2d35e54248aca39bad4f4152ed34de1995f"},{"url":"https://git.kernel.org/stable/c/acc190322250562d5f28860f4ae1ebaf3e304fc2"},{"url":"https://git.kernel.org/stable/c/3e91964aa74ab261aa15d9d96318eded2fd9d22a"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:36:05.653Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}