DEBIAN-CVE-2026-72417
In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: Validate iph->ihl in nfflowip4tunnelproto() Add sanity check for iph->ihl field in nfflowip4tunnelproto() before using it to compute the header size, avoiding out-of-bounds access with malformed IP headers. While at it, use iph->protocol instead of the hardcoded IPPROTOIPIP constant when setting ctx->tun.proto and reference ctx->tun.hdrsize when updating ctx->offset.
Package Versions Affected
Automatically patch vulnerabilities without upgrading
CVSS Version



Related Resources
References
https://security-tracker.debian.org/tracker/CVE-2026-72417