Vulnerability DatabaseCVE-2026-15390
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CVE-2026-15390
Published:September 29, 2026
Updated:October 09, 2026
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 Packages
https://github.com/u-boot/u-boot.git (GITHUB):
Affected version(s) >=v2009.11-rc1 <v2026.07
Fix Suggestion:
Update to version v2026.07
Related Resources (2)
https://source.denx.de/u-boot/u-boot/-/commit/b1aec609bb5e0d08c25c888c91935287ab4ee5fa
https://cert.pl/en/posts/2026/09/CVE-2026-15390
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CVSS v4
Base Score:
9
Attack Vector
ADJACENT
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
9.6
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Out-of-bounds Write
CWE-787
Incomplete Cleanup
CWE-459
EPSS
Base Score:
0.29