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CVE-2026-31495: linux kernel 2.6.22; +4 more affected products

CVE-2026-31495. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00171 (percentile 0.05987), scored 14-Oct-2026.

Affected technology

linux kernel · from 2.6.22.1 (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 · 2.6.22
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 · c8e2078cfe414a99cf6f2f2f1d78c7e75392e9d4 to before 435b576cd2faa75154777868f8cbb73bf71644d3, c8e2078cfe414a99cf6f2f2f1d78c7e75392e9d4 to before 2ef71307c86a9f866d6e28f1a0c06e2e9d794474, c8e2078cfe414a99cf6f2f2f1d78c7e75392e9d4 to before 4f7d25f3f0786402ba48ff7d13b6241d77d975f5, c8e2078cfe414a99cf6f2f2f1d78c7e75392e9d4 to before fcec5ce2d73a41668b24e3f18c803541602a59f6, c8e2078cfe414a99cf6f2f2f1d78c7e75392e9d4 to before 675c913b940488a84effdeeac5a1cfb657b59804, c8e2078cfe414a99cf6f2f2f1d78c7e75392e9d4 to before c6cb41eaae875501eaaa487b8db6539feb092292, c8e2078cfe414a99cf6f2f2f1d78c7e75392e9d4 to before 45c33e79ae705b7af97e3117672b6cd258dd0b1b, c8e2078cfe414a99cf6f2f2f1d78c7e75392e9d4 to before 8f15b5071b4548b0aafc03b366eb45c9c6566704
Linux

Linux · 2.6.22
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: include/uapi/linux/netfilter/nf_conntrack_common.h, net/netfilter/nf_conntrack_netlink.c, net/netfilter/nf_conntrack_proto_tcp.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

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 0.05987 · 2026-10-14
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-31495.html