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Vulnerabilities CVE-2026-43291

CVE-2026-43291

High
Open
TLP:CLEAR

net: nfc: nci: Fix parameter validation for packet data

NVD CVE.org
Critical Infrastructure

AI Analysis

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Description

In the Linux kernel, the following vulnerability has been resolved: net: nfc: nci: Fix parameter validation for packet data Since commit 9c328f54741b ("net: nfc: nci: Add parameter validation for packet data") communication with nci nfc chips is not working any more. The mentioned commit tries to fix access of uninitialized data, but failed to understand that in some cases the data packet is of variable length and can therefore not be compared to the maximum packet length given by the sizeof(struct).

Details

CVSS Score
8.3
EPSS Score
0.27%

18.9th percentile

CVSS Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
Confidence
90%
Published
May 8, 2026
Last Modified
Aug 5, 2026
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