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CVE-2023-42756

Description

A flaw was found in the Netfilter subsystem of the Linux kernel. A race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP can lead to a kernel panic due to the invocation of `__ip_set_put` on a wrong `set`. This issue may allow a local user to crash the system.

POC

Reference

- https://seclists.org/oss-sec/2023/q3/242

Github

No PoCs found on GitHub currently.