Vulnerability CVE-2024-26925
Published: 2024-04-25

Description:
In the Linux kernel, the following vulnerability has been resolved:

netfilter: nf_tables: release mutex after nft_gc_seq_end from abort path

The commit mutex should not be released during the critical section
between nft_gc_seq_begin() and nft_gc_seq_end(), otherwise, async GC
worker could collect expired objects and get the released commit lock
within the same GC sequence.

nf_tables_module_autoload() temporarily releases the mutex to load
module dependencies, then it goes back to replay the transaction again.
Move it at the end of the abort phase after nft_gc_seq_end() is called.

 References:
https://git.kernel.org/stable/c/61ac7284346c32f9a8c8ceac56102f7914060428
https://git.kernel.org/stable/c/2cee2ff7f8cce12a63a0a23ffe27f08d99541494
https://git.kernel.org/stable/c/eb769ff4e281f751adcaf4f4445cbf30817be139
https://git.kernel.org/stable/c/8d3a58af50e46167b6f1db47adadad03c0045dae
https://git.kernel.org/stable/c/8038ee3c3e5b59bcd78467686db5270c68544e30
https://git.kernel.org/stable/c/a34ba4bdeec0c3b629160497594908dc820110f1
https://git.kernel.org/stable/c/0d459e2ffb541841714839e8228b845458ed3b27
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