CVE-2024-41149: block: avoid to reuse `hctx` not removed from cpuhp callback list

First published: Sat Jan 11 2025(Updated: )

In the Linux kernel, the following vulnerability has been resolved: block: avoid to reuse `hctx` not removed from cpuhp callback list If the 'hctx' isn't removed from cpuhp callback list, we can't reuse it, otherwise use-after-free may be triggered.

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

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