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CVE-2026-31496: linux kernel 2.6.28; +4 more affected products
CVE-2026-31496. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00162 (percentile 0.05016), scored 14-Oct-2026.
Affected technology
linux kernel · from 2.6.28.1 (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 · 2.6.28
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 · 9b03f38d0487f3908696242286d934c9b38f9d2a to before 2028405ea6987b4448784e439413202cfe19f43f, 9b03f38d0487f3908696242286d934c9b38f9d2a to before 168145c87444619e3e649322bbe7719ecd00d411, 9b03f38d0487f3908696242286d934c9b38f9d2a to before dcfcd95b3ae7683e8ae55c92284b3430ce614bc7, 9b03f38d0487f3908696242286d934c9b38f9d2a to before 9ca8c7452493d915f9bbf2f39331e6c583d07a23, 9b03f38d0487f3908696242286d934c9b38f9d2a to before 3265ad619987cb551edaf797ed056d80ac450225, 9b03f38d0487f3908696242286d934c9b38f9d2a to before 3db5647984de03d9cae0dcddb509b058351f0ee4
Linux
Linux · 2.6.28
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/netfilter/nf_conntrack_expect.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.
- 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
- 0.00162 · percentile 0.05016 · 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-2026-31496.html