CVE-2024-56603: net: af_can: do not leave a dangling sk pointer in can_create()

First published: Fri Dec 27 2024(Updated: )

In the Linux kernel, the following vulnerability has been resolved: net: af_can: do not leave a dangling sk pointer in can_create() On error can_create() frees the allocated sk object, but sock_init_data() has already attached it to the provided sock object. This will leave a dangling sk pointer in the sock object and may cause use-after-free later.

Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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