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CVE-2026-43040

Linux Kernel

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.

CVSS 7.1EPSS 0.122%Risque 0.72
Voir la source
Publication
2026-05-01 15:16:50
Versions concernées
unknown
Type
Core software
Vecteur
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Systèmes d’exploitation
Linux