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CVE-2026-43038: linux kernel 3.13; +19 more affected products

CVE-2026-43038. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory). EPSS 0.00255 (percentile 0.15939), scored 14-Oct-2026.

Affected technology

linux kernel · after 3.13 (exclusive), 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 · 3.13
linux

linux kernel · 3.13 · update rc3
linux

linux kernel · 3.13 · update rc4
linux

linux kernel · 3.13 · update rc5
linux

linux kernel · 3.13 · update rc6
linux

linux kernel · 3.13 · update rc7
linux

linux kernel · 3.13 · update rc8
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 · ca15a078bd907df5fc1c009477869c5cbde3b753 to before c438ba010171b70bad22fc18b1d5bdc3627476e8, ca15a078bd907df5fc1c009477869c5cbde3b753 to before 0452b6526b2f54b2413b9cb4ff1ea2ac542c99c7, ca15a078bd907df5fc1c009477869c5cbde3b753 to before a4437faf135da293d16fcc4cc607316742bd0ebb, ca15a078bd907df5fc1c009477869c5cbde3b753 to before 3d5127d998de617b130aae96b138dba22ac6a8a7, ca15a078bd907df5fc1c009477869c5cbde3b753 to before e41953e7d118e2702bcb217879c173d9d1d3cd4e, ca15a078bd907df5fc1c009477869c5cbde3b753 to before a2edbb6393972a02114b6003953a5cef3104fada, ca15a078bd907df5fc1c009477869c5cbde3b753 to before 1ceeebd5bd6d855b17a5df625109bfe29129d7cf, ca15a078bd907df5fc1c009477869c5cbde3b753 to before 86ab3e55673a7a49a841838776f1ab18d23a67b5
Linux

Linux · 3.13
Linux

Red Hat Enterprise Linux 10 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 10.0 Extended Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.8 Telecommunications Update Service · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9.6 Extended Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 6 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 7 · Exact affected versions not specified by the source
Red Hat

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/icmp.c

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

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

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high. Source advisory’s CVSS 3.1 assessment (base score 7.3/10) rates confidentiality and availability impact as high; integrity impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CWE
CWE-843
CCR priority
39.3 /100 (P4)
CVSS 3.1
9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
EPSS
0.00255 · percentile 0.15939 · 2026-10-14
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-43038.html