CVE-2022-48642 Information

Description

In the Linux kernel the following vulnerability has been resolved:

netfilter: nf_tables: fix percpu memory leak at nf_tables_addchain()

It seems to me that percpu memory for chain stats started leaking since commit 3bc158f8d0330f0a ( etfilter: nf_tables: map basechain priority to hardware priority) when nft_chain_offload_priority() returned an error.

Reference

https://git.kernel.org/stable/c/b043a525a3f5520abb676a7cd8f6328fdf959e88 https://git.kernel.org/stable/c/08d7524f366a886b99b1630a24a27dd6e0d7f852 https://git.kernel.org/stable/c/985b031667c3177b9e7fb9787b989628e4271714 https://git.kernel.org/stable/c/9a4d6dd554b86e65581ef6b6638a39ae079b17ac