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. CREATE(Triage):(User=admin) CVE-2023-42756 (https://nvd.nist.gov/vuln/detail/CVE-2023-42756)