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CVE-2026-43040: linux kernel from 2.6.24 (inclusive), before 5.10.253 (exclusive), from 5.11 (inclusive), before 5.15.203 (exclusive)…

CVE-2026-43040. CVSS 3.1 base score 7.1 (HIGH, NVD). EPSS 0.00174 (percentile 0.06416), scored 14-Oct-2026.

Affected technology

linux kernel · from 2.6.24 (inclusive), before 5.10.253 (exclusive)
linux

linux kernel · from 5.11 (inclusive), before 5.15.203 (exclusive)
linux

linux kernel · from 5.16 (inclusive), before 6.1.168 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.134 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.81 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.22 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 6.19.12 (exclusive)
linux

linux kernel · 7.0 · update rc1
linux

linux kernel · 7.0 · update rc2
linux

linux kernel · 7.0 · update rc3
linux

linux kernel · 7.0 · update rc4
linux

linux kernel · 7.0 · update rc5
linux

linux kernel · 7.0 · update rc6
linux

Linux · 31910575a9de61e78065e93846e8e7a4894a18bf to before 1da9023f6b071a38e5430ffbce4b70b2b1ac4f9c, 31910575a9de61e78065e93846e8e7a4894a18bf to before 2fe4d0ba690a69ad6ae9f7ab9bdc96e02610b648, 31910575a9de61e78065e93846e8e7a4894a18bf to before 11d7fe97421cfc81549940c20ed5ac9472d6db05, 31910575a9de61e78065e93846e8e7a4894a18bf to before 7f56d87e527bb5a13c3e8b0d5840cb6332822f6d, 31910575a9de61e78065e93846e8e7a4894a18bf to before 4f810c686fde509d1cdaa706322d9d2531f8f1a4, 31910575a9de61e78065e93846e8e7a4894a18bf to before b485eef3d97b7aae55ce669b6de555ec81f3d21c, 31910575a9de61e78065e93846e8e7a4894a18bf to before ef3645606e4a635d5062a492f22b7f490852ee67, 31910575a9de61e78065e93846e8e7a4894a18bf to before ae05340ccaa9d347fe85415609e075545bec589f
Linux

Linux · 2.6.24
Linux

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.6 to before *
Siemens

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.5 to before *
Siemens

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.7 to before *
Siemens

SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.6 to before *
Siemens

SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.5 to before *
Siemens

SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.7 to before *
Siemens

SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.6 to before *
Siemens

SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.5 to before *
Siemens

SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.7 to before *
Siemens

Component: Not specified by the source
File: net/ipv6/ndisc.c

Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

NVD’s CVSS 3.1 assessment (base score 7.1/10) rates confidentiality and availability impact as high; integrity impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CWE
CWE-909
CCR priority
28.4 /100 (P4)
CVSS 3.1
7.1 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H · NVD
EPSS
0.00174 · percentile 0.06416 · 2026-10-14
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-43040.html