Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-43040

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 5.6%
CVSS Severity
CVSS v3 Score 7.1
Products affected by CVE-2026-43040


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