NetSight
high8.3

CVE-2026-43291

In the Linux kernel, the following vulnerability has been resolved: net: nfc: nci: Fix parameter validation for packet data Since commit 9c328f54741b ("net: nf…

Impact

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).

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 5.15.195 before 5.15.202
from 6.1.156 before 6.1.165
from 6.6.112 before 6.6.128
from 6.12.53 before 6.12.75
from 6.17.3 before 6.18
from 6.18 before 6.18.16

Weakness classification

References