P4Verified

CVE-2026-23458: linux kernel from 3.10 (inclusive), before 5.10.253 (exclusive), from 5.11 (inclusive), before 5.15.203 (exclusive)…

CVE-2026-23458. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00131 (percentile 0.02405), scored 14-Oct-2026.

Affected technology

linux kernel · from 3.10 (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 6.1.167 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.130 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.78 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.20 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 6.19.10 (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 · e844a928431fa8f1359d1f4f2cef53d9b446bf52 to before d8cd0efbccc5cfb0a80da744a7da76e1333ab925, e844a928431fa8f1359d1f4f2cef53d9b446bf52 to before 9821b47f669eb82791fa0b1a6ebaf9aa219bea72, e844a928431fa8f1359d1f4f2cef53d9b446bf52 to before bdf2724eefd4455a66863abb025bab8d3aa98c57, e844a928431fa8f1359d1f4f2cef53d9b446bf52 to before f04cc86d59906513d2d62183b882966fc0ae0390, e844a928431fa8f1359d1f4f2cef53d9b446bf52 to before f025171feef2ac65663d7986f1d5ff0c28d6b2a9, e844a928431fa8f1359d1f4f2cef53d9b446bf52 to before 04c8907ce4e3d3e26c5e1a3e47aa5d17082cbb56, e844a928431fa8f1359d1f4f2cef53d9b446bf52 to before cd541f15b60e2257441398cf495d978f816d09f8, e844a928431fa8f1359d1f4f2cef53d9b446bf52 to before 5cb81eeda909dbb2def209dd10636b51549a3f8a
Linux

Linux · 3.10
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/netfilter/nf_conntrack_netlink.c

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 7.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 15-Oct-2026 09:20 UTC

CWE: CWE-416
CCR priority: 31.2 /100 (P4)
CVSS 3.1: 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Source advisory
EPSS: 0.00131 · percentile 0.02405 · 2026-10-14
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-15 09:24:28.011626+00:00 UTC
GitHub Advisory Database · Source record · observed 2026-10-15 10:43:56.988652+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-15 09:18:22.406219+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-23458.html