The vulnerability of the nft_exthdr_init() function in the net/netfilter/nft_exthdr.c module of the netfilter component of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the nftexthdrinit function in the net/netfilter/nftexthdr.c module of the netfilter component of the Linux operating system is related to the access to an uninitialized pointer. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity...

CVE-2026-53218: Use of Uninitialized Resource

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftexthdr: fix register tracking for FPRESENT flag nftexthdrinit passes user-controlled priv-len to nftparseregisterstore, which marks that many bytes in the register bitmap as initialized. However, when...