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Vulnerabilities
Vulnerability

CVE-2026-43040

Reference data from vuln.mlab.sh, coverage from our own index.

CVSS
7.1 High
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS
0.12%
Risk score
1.6
Published
2026-05-01
Status
Modified

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.

Weaknesses

CWE-909

Coverage 6

Advisories and references