P4Verified

CVE-2026-31391: linux kernel from 5.3 (inclusive), before 5.10.253 (exclusive), from 5.11 (inclusive), before 6.1.167 (exclusive)…

CVE-2026-31391. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00166 (percentile 0.05474), scored 14-Oct-2026.

Affected technology

linux kernel · from 5.3 (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 · da001fb651b00e1deeaf24767dd691ae8152a4f5 to before c2d0c45dbb9eb272385ae919b17eef5a5318d3f8, da001fb651b00e1deeaf24767dd691ae8152a4f5 to before 66ee9c1c3575b5d6afc340faca00fd40ed5b7ad9, da001fb651b00e1deeaf24767dd691ae8152a4f5 to before 2bfc83cee05f8b9604502df27d94e8e2b4a3dbf1, da001fb651b00e1deeaf24767dd691ae8152a4f5 to before 1ab70c260cf16f931a728b2cb63fff5f38c814d8, da001fb651b00e1deeaf24767dd691ae8152a4f5 to before 6f502049a96b368ea6646c49d9520d6f69a101fa, da001fb651b00e1deeaf24767dd691ae8152a4f5 to before fd262dc6d758232511127372eba866b7600739ba, da001fb651b00e1deeaf24767dd691ae8152a4f5 to before d240b079a37e90af03fd7dfec94930eb6c83936e
Linux

Linux · 5.3
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: drivers/crypto/atmel-sha204a.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: 0.00166 · percentile 0.05474 · 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-2026-31391.html