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CVE-2026-31671: linux kernel 2.6.19; +4 more affected products

CVE-2026-31671. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00171 (percentile 0.05988), scored 14-Oct-2026.

Affected technology

linux kernel · from 2.6.19.1 (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 6.1.169 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.135 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.82 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.23 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 6.19.13 (exclusive)
linux

linux kernel · 2.6.19
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 · 97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5 to before d27c02eec529f78055a46a5c9e6c62684382b2d8, 97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5 to before 716c546e88cfe49d841658240e10cb57bc50a2cc, 97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5 to before 0616314b3b34f24cbb91da8c6bd8bcdc4c8592f9, 97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5 to before e0c8542c3d097ed4205ded51868195d5d6ddac62, 97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5 to before ff5ee507302303b15859753c3e0d67d38fd12c88, 97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5 to before 6c55714c931051cd7f4839c19ce0867179fd22fe, 97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5 to before 0a30dceb0e1f0c480d2482e6d7cebf8aebb6eb72, 97a64b4577ae2bc5599dbd008a3cd9e25de9b9f5 to before d10119968d0e1f2b669604baf2a8b5fdb72fa6b4
Linux

Linux · 2.6.19
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/xfrm/xfrm_user.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

CWE
CWE-401
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
0.00171 · percentile 0.05988 · 2026-10-14
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-31671.html