Description
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: 2026-09-29
Score: 9 Critical
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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History

Tue, 29 Sep 2026 13:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Out-of-bounds write in Das U-Boot
Weaknesses CWE-459
CWE-787
References
Metrics cvssV4_0

{'score': 9, 'vector': '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'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: CERT-PL

Published:

Updated: 2026-09-29T10:55:43.070Z

Reserved: 2026-07-10T11:51:31.347Z

Link: CVE-2026-15390

cve-icon Vulnrichment

Updated: 2026-09-29T10:54:36.155Z

cve-icon NVD

Status : Received

Published: 2026-09-29T10:17:11.237

Modified: 2026-09-29T11:16:42.610

Link: CVE-2026-15390

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-29T17:15:08Z

Weaknesses