CVE-2024-56600: net: inet6: do not leave a dangling sk pointer in inet6_create()

First published: Fri Dec 27 2024(Updated: )

In the Linux kernel, the following vulnerability has been resolved: net: inet6: do not leave a dangling sk pointer in inet6_create() sock_init_data() attaches the allocated sk pointer to the provided sock object. If inet6_create() fails later, the sk object is released, but the sock object retains the dangling sk pointer, which may cause use-after-free later. Clear the sock sk pointer on error.

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

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