Buffer overflow in Denx Software Engineering Das U-Boot

CVE-2026-15390

Das U-Boot with CONFIG_IP_DEFRAG=y parameter fails to clear IP reassembly state after delivering a complete datagram. An attacker who can deliver fragmented IP traffic can execute arbitrary code by sending duplicated last-fragment IP packets. This issue was fixed in commit b1aec609bb5e0d08c25c888c91935287ab4ee5fa in version 2026.07.

Published · last modified .

EPSS exploit prediction

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Affected products

Weakness classification (CWE)

References