NetSight
medium5.5

CVE-2026-45930

In the Linux kernel, the following vulnerability has been resolved: net: mctp: ensure our nlmsg responses are initialised Syed Faraz Abrar (@farazsth98) from Z…

Impact

In the Linux kernel, the following vulnerability has been resolved: net: mctp: ensure our nlmsg responses are initialised Syed Faraz Abrar (@farazsth98) from Zellic, and Pumpkin (@u1f383) from DEVCORE Research Team working with Trend Micro Zero Day Initiative report that a RTM_GETNEIGH will return uninitalised data in the pad bytes of the ndmsg data. Ensure we're initialising the netlink data to zero, in the link, addr and neigh response messages.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 5.15 before 5.15.210
from 5.16 before 6.1.176
from 6.2 before 6.6.143
from 6.7 before 6.12.93
from 6.13 before 6.18.35
from 6.19 before 6.19.4

References