Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. CVE-2023-2156 It was discovered that a flaw in the handling of the RPL protocol may allow an unauthenticated remote attacker to cause a denial of service if RPL is enabled . CVE-2023-31248 Mingi Cho discovered a use-after-free flaw in the Netfilter nf_tables implementation when using nft_chain_lookup_byid, which may result in local privilege escalation for a user with the CAP_NET_ADMIN capability in any user or network namespace. CVE-2023-35001 Tanguy DUBROCA discovered an out-of-bounds reads and write flaw in the Netfilter nf_tables implementation when processing an nft_byteorder expression, which may result in local privilege escalation for a user with the CAP_NET_ADMIN capability in any user or network namespace.