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CVE-2026-31521: linux kernel 2.6.12; +4 more affected products
CVE-2026-31521. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00166 (percentile 0.05474), scored 14-Oct-2026.
Affected technology
linux kernel · from 2.6.12.1 (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 · 2.6.12
linux
linux kernel · 2.6.12 · update rc2
linux
linux kernel · 2.6.12 · update rc3
linux
linux kernel · 2.6.12 · update rc4
linux
linux kernel · 2.6.12 · update rc5
linux
linux kernel · 7.0 · update rc1
linux
linux kernel · 7.0 · update rc2
linux
Linux · 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 5d16f519b6eb1d071807e57efe0df2baa8d32ad6, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 4bbdb0e48176fd281c2b9a211b110db6fd94e175, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 082f15d2887329e0f43fd3727e69365f5bfe5d2c, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before ec2b22a58073f80739013588af448ff6e2ab906f, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before ef75dc1401d8e797ee51559a0dd0336c225e1776, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 6ba6957c640f58dc8ef046981a045da43e47ea23, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before f9d69d5e7bde2295eb7488a56f094ac8f5383b92
Linux
Linux · 2.6.12
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: kernel/module/main.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.
- CWE
- CWE-787
- 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-2026-31521.html