CVE-2026-31472 xfrm: iptfs: validate inner IPv4 header length in IPTFS payload

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: validate inner IPv4 header length in IPTFS payload Add validation of the inner IPv4 packet totlen and ihl fields parsed from decrypted IPTFS payloads in inputprocesspayload. A crafted ESP packet containing an inner...