{"id":"CVE-2023-52840","state":"PUBLISHED","title":"Input: synaptics-rmi4 - fix use after free in rmi_unregister_function()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nInput: synaptics-rmi4 - fix use after free in rmi_unregister_function()\n\nThe put_device() calls rmi_release_function() which frees \"fn\" so the\ndereference on the next line \"fn->num_of_irqs\" is a use after free.\nMove the put_device() to the end to fix this.","publishedAt":"2024-05-21T15:31:39.862Z","updatedAt":"2026-05-11T19:34:01.897Z","severity":null,"assigner":"Linux","products":["Linux 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