CVE-2024-0193

Summary

CVE-2024-0193 is a use-after-free vulnerability affecting the netfilter subsystem in the Linux kernel. This issue arises when the catchall element is inadvertently garbage-collected upon removal of the pipapo set. Consequently, the element can be deactivated twice, leading to a use-after-free condition on either an NFT_CHAIN object or NFT_OBJECT object. This vulnerability enables a local, unprivileged user with CAP_NET_ADMIN capabilities to escalate their privileges on the system.

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