CVE-2026-80793

This Linux kernel vulnerability affects the IPv4 fragmentation path in ip_do_fragment() . When the effective MTU is smaller than the IPv4 header length plus 8, the function passes a zero-length payload to ip_frag_next() , causing the fragmentation state to stall indefinitely. The result is a soft...

PT-2026-85634

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the IPv4 implementation where the ip do fragment function subtracts the IPv4 header length from the effective Maximum Transmission Unit MTU and passes the result to ip...

Linux Distros Unpatched Vulnerability : CVE-2026-80793

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv4: reject undersized MTUs in ipdofragment ipdofragment subtracts the IPv4 header length from the effective MTU and passes the resulting payload MTU to...