UBUNTU-CVE-2024-49854

In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix uaf for accessing wakerbfqq after splitting After commit 42c306ed7233 "block, bfq: don't break merge chain in bfqsplitbfqq", if the current procress is the last holder of bfqq, the bfqq can be freed after...