{"id":"CVE-2024-49955","state":"PUBLISHED","title":"ACPI: battery: Fix possible crash when unregistering a battery hook","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: battery: Fix possible crash when unregistering a battery hook\n\nWhen a battery hook returns an error when adding a new battery, then\nthe battery hook is automatically unregistered.\nHowever the battery hook provider cannot know that, so it will later\ncall battery_hook_unregister() on the already unregistered battery\nhook, resulting in a crash.\n\nFix this by using the list head to mark already unregistered battery\nhooks as already being unregistered so that they can be ignored by\nbattery_hook_unregister().","publishedAt":"2024-10-21T18:02:09.707Z","updatedAt":"2026-10-15T00:55:09.083Z","severity":null,"assigner":"Linux","products":["Linux 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