P4Verified

CVE-2026-31681: linux kernel from 2.6.17 (inclusive), before 6.6.136 (exclusive), from 6.7 (inclusive), before 6.12.83 (exclusive)…

CVE-2026-31681. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.0017 (percentile 0.05961), scored 14-Oct-2026.

Affected technology

linux kernel · from 2.6.17 (inclusive), before 6.6.136 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.83 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.24 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 6.19.14 (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 kernel · 7.0 · update rc7
linux

Linux · a89ecb6a2ef732d04058d87801e2b6bd7e5c7089 to before 8c5bf8f5b478f569191c4a7982de7cd5f5f73c1a, a89ecb6a2ef732d04058d87801e2b6bd7e5c7089 to before c9749f6232c845e31c21d4cc72200211df15d8a2, a89ecb6a2ef732d04058d87801e2b6bd7e5c7089 to before b67d638cbee9975c765feb45c126e96ed11ec802, a89ecb6a2ef732d04058d87801e2b6bd7e5c7089 to before 36bf0d98e180a7c384c8d8a59b0d2d4b80e5eb16, a89ecb6a2ef732d04058d87801e2b6bd7e5c7089 to before aec14808271f2bf2b656de6ff12dfe73c5fd3b67, a89ecb6a2ef732d04058d87801e2b6bd7e5c7089 to before 8368ce8eb01f0b91111d814703696e780d0ef12f, a89ecb6a2ef732d04058d87801e2b6bd7e5c7089 to before 1e4baa853f1cc4227e04f52d6860524707cfb294, a89ecb6a2ef732d04058d87801e2b6bd7e5c7089 to before ff64c5bfef12461df8450e0f50bb693b5269c720
Linux

Linux · 2.6.17
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 · V3.1.7 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 · V3.1.7 to before *
Siemens

SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · 0 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 · V3.1.7 to before *
Siemens

Component: Not specified by the source
File: net/netfilter/xt_multiport.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 5.5/10) rates confidentiality and integrity impact as none; 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

CCR priority: 22.0 /100 (P4)
CVSS 3.1: 5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · NVD
EPSS: 0.0017 · percentile 0.05961 · 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-2026-31681.html