platform/x86: asus-wmi: fix resource leaks on probe failure

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Summary

CVECVE-2026-93116
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-17 17:18:06 UTC
Updated2026-09-17 17:18:06 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: platform/x86: asus-wmi: fix resource leaks on probe failure During driver initialization in asus_wmi_add(), various subsystems are registered sequentially. However, the error path labels are out of order relative to the registration sequence. Specifically: 1. If asus_wmi_custom_fan_curve_init() fails, the driver jumps to fail_custom_fan_curve. Because this label is placed below fail_sysfs, it bypasses the cleanup calls for the input device and sysfs groups, which were successfully registered before, leaking those resources. 2. If asus_screenpad_init() fails, the driver jumps to fail_screenpad. Because fail_screenpad is placed below fail_backlight, it bypasses the cleanup calls for backlight and rfkill, leaking those resources. Fix these resource leaks by reordering the error path labels in asus_wmi_add() to match the exact reverse order of the resource allocations.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 0f0ac158d28ff78e75c334e869b1cb8e69372a1f 3308b8c5f5a28403611a2f5a46f06aabe4f0c661 git Not specified
CNA Linux Linux affected 0f0ac158d28ff78e75c334e869b1cb8e69372a1f ef3daa2b84a2b8499ce9e2ce1c865dca36d39f95 git Not specified
CNA Linux Linux affected 5.17 Not specified
CNA Linux Linux unaffected 5.17 semver Not specified
CNA Linux Linux unaffected 7.2.6 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/ef3daa2b84a2b8499ce9e2ce1c865dca36d39f95 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3308b8c5f5a28403611a2f5a46f06aabe4f0c661 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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