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CVE-2026-31402: linux kernel 2.6.12; +22 more affected products

CVE-2026-31402. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory). EPSS 0.01198 (percentile 0.67528), scored 14-Oct-2026.

Affected technology

linux kernel · from 2.6.12.1 (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 · 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 kernel · 7.0 · update rc3
linux

linux kernel · 7.0 · update rc4
linux

Linux · 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before f9fcb4441f6c02bb20c2eb340101e27dfe23607c, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 2665887a69437a8a4f552f69509eecfb73d4aa19, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before c9452c0797c95cf2378170df96cf4f4b3bca7eff, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 8afb437ea1f70cacb4bbdf11771fb5c4d720b965, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before dad0c3c0a8e5d1d6eb0fc455694ce3e25e6c57d0, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 0f0e2a54a31a7f9ad2915db99156114872317388, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before ae8498337dfdfda71bdd0b807c9a23a126011d76, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 5133b61aaf437e5f25b1b396b14242a6bb0508e2
Linux

Linux · 2.6.12
Linux

Red Hat Enterprise Linux 10 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 10.0 Extended Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 7 Extended Lifecycle Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.6 Telecommunications Update Service · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.8 Telecommunications Update Service · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9.4 Extended Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9.6 Extended Update Support · Exact affected versions not specified by the source
Red Hat

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/nfs4xdr.c, fs/nfsd/state.h

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

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 9.8/10) rates confidentiality, integrity and availability impact as high. 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

CWE
CWE-787
CCR priority
39.5 /100 (P4)
CVSS 3.1
9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
EPSS
0.01198 · percentile 0.67528 · 2026-10-14
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-31402.html