P4Verified

CVE-2026-31507: linux kernel 4.18; +4 more affected products

CVE-2026-31507. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00179 (percentile 0.06933), scored 14-Oct-2026.

Affected technology

linux kernel · from 4.18.1 (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 6.1.168 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.131 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.80 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.21 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 6.19.11 (exclusive)
linux

linux kernel · 4.18
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 · 9014db202cb764b8e14c53e7bacc81f9a1a2ba7f to before 7e8916f46c2f48607f907fd401590093753a6bc5, 9014db202cb764b8e14c53e7bacc81f9a1a2ba7f to before ae5575e660410c8d2c5d38fb28a0f37aea945676, 9014db202cb764b8e14c53e7bacc81f9a1a2ba7f to before 98ba5cb274768146e25ffbfde47753652c1c20d3, 9014db202cb764b8e14c53e7bacc81f9a1a2ba7f to before 81acbd345d405994875d419d43b319fee0b9ad62, 9014db202cb764b8e14c53e7bacc81f9a1a2ba7f to before 7bcb974c771c863e8588cea0012ac204443a7126, 9014db202cb764b8e14c53e7bacc81f9a1a2ba7f to before 54c87a730157868543ebdfa0ecb21b4590ed23a5, 9014db202cb764b8e14c53e7bacc81f9a1a2ba7f to before 3cc76380fea749280c026f410af56a28aaac388a, 9014db202cb764b8e14c53e7bacc81f9a1a2ba7f to before 24dd586bb4cbba1889a50abe74143817a095c1c9
Linux

Linux · 4.18
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/smc/smc_rx.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-415
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 0.06933 · 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-2026-31507.html