CVE-2026-15390
9
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| DENX Software Engineering | Das U-Boot | 2009.08 <= 2026.07 | affected |
Weaknesses
- CWE-787: CWE-787 Out-of-bounds write
- CWE-459: CWE-459 Incomplete cleanup
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://cert.pl/en/posts/2026/09/CVE-2026-15390
- https://source.denx.de/u-boot/u-boot/-/commit/b1aec609bb5e0d08c25c888c91935287ab4ee5fa
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