CyberRota Analysis
AI-GeneratedA vulnerability in the Linux kernel's netfilter component affects the handling of IPIP headers, where an incorrect routing direction is used to calculate headroom, potentially leading to improper packet processing. This flaw could impact network performance and security, particularly in environments relying on IP tunneling. System administrators and security teams managing Linux-based systems should prioritize this issue to ensure the integrity and efficiency of their network operations.
Original NVD Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: use dst in this direction when pushing IPIP header When pushing the IPIP header, the route of the other direction is used to calculate the headroom, use the route in this direction. Accessing the other tuple to set the IP source and destination is fine because this tuple does not provide such information to avoid storing redundant information. However, this tuple already provides the dst for this direction, this went unnoticed because this bug affects headroom and iph->frag_off only at this stage.