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CVE-2024-36899 is a use-after-free vulnerability in the Linux kernel gpiolib GPIO character-device line-information notification path. During character-device release, the watched-line bitmap can be freed before the line-information-change notifier is unregistered. If a concurrent GPIO-line release holds the notifier chain read lock and invokes the notification callback, the callback can subsequently access the already-freed bitmap.
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Linux kernel gpiolib character-device use-after-free in lineinfo_changed_notify.
Linux kernel GPIO character-device use-after-free vulnerability in lineinfo_changed_notify.
A use-after-free vulnerability in the Linux kernel gpiolib character-device code, specifically in lineinfo_changed_notify.
A use-after-free vulnerability in the Linux kernel gpiolib character-device line-information change notification handling.
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Cross-references every affected SKU, including bundled OEM variants.
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