The vulnerability of the nf_tables_newrule() function in the Linux operating system’s network filter kernel allows a hacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the nftablesnewrule function in the Linux operating system’s network filter kernel is related to improper handling when rules are added to the net/netfilter/nftablesapi.c module. Exploiting this vulnerability can allow an attacker to compromise the confidentiality, integrity,...

CVE-2023-4147 Kernel: netfilter: nf_tables_newrule when adding a rule with nfta_rule_chain_id leads to use-after-free

A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTARULECHAINID. This flaw allows a local user to crash or escalate their privileges on the system...