P4Verified

CVE-2026-31403: linux kernel from 3.9 (inclusive), before 5.10.253 (exclusive), from 5.11 (inclusive), before 6.1.167 (exclusive)…

CVE-2026-31403. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00179 (percentile 0.06955), scored 14-Oct-2026.

Affected technology

linux kernel · from 3.9 (inclusive), before 5.10.253 (exclusive)
linux

linux kernel · from 5.11 (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 · 96d851c4d28de8cc83fe2bd5c6bc2eb8f253a6c5 to before 76740c28050dc6db2f5550f1325b00a11bbb3255, 96d851c4d28de8cc83fe2bd5c6bc2eb8f253a6c5 to before c7f406fb341d6747634b8b1fa5461656e5e56076, 96d851c4d28de8cc83fe2bd5c6bc2eb8f253a6c5 to before d1a19217995df9c7e4118f5a2820c5032fef2945, 96d851c4d28de8cc83fe2bd5c6bc2eb8f253a6c5 to before e3d77f935639e6ae4b381c80464c31df998d61f4, 96d851c4d28de8cc83fe2bd5c6bc2eb8f253a6c5 to before db4a9f99b12a7ee1c19d86c83a3b752c7effa6c6, 96d851c4d28de8cc83fe2bd5c6bc2eb8f253a6c5 to before 6a8d70e2ad6aad2c345a5048edcb8168036f97d6, 96d851c4d28de8cc83fe2bd5c6bc2eb8f253a6c5 to before e7fcf179b82d3a3730fd8615da01b087cc654d0b
Linux

Linux · 3.9
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: fs/nfsd/nfsctl.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

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: 0.00179 · percentile 0.06955 · 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-2026-31403.html