CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.1. It affects Linux.
CVE
CVE-2026-43040
Severity
HIGH
CVSS
7.1
EPSS
0.12%
Linux
Original NVD Description
In the Linux kernel, the following vulnerability has been resolved: net: ipv6: ndisc: fix ndisc_ra_useropt to initialize nduseropt_padX fields to zero to prevent an info-leak When processing Router Advertisements with user options the kernel builds an RTM_NEWNDUSEROPT netlink message. The nduseroptmsg struct has three padding fields that are never zeroed and can leak kernel data The fix is simple, just zeroes the padding fields.
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