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CVE-2026-23343: linux kernel 5.18; +5 more affected products
CVE-2026-23343 affects azl3 kernel 6.6.126.1-1 on Azure Linux 3.0. CVSS 3.1 base score 7.8 (HIGH, NVD). EPSS 0.00129 (percentile 0.02272), scored 14-Oct-2026.
Affected technology
linux kernel · from 5.18.1 (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 6.12.77 (exclusive)
linux
linux kernel · from 6.13 (inclusive), before 6.18.17 (exclusive)
linux
linux kernel · from 6.19 (inclusive), before 6.19.7 (exclusive)
linux
linux kernel · 5.18
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 · bf25146a5595269810b1f47d048f114c5ff9f544 to before 01379540452a02bbc52f639d45dd365cd3624efb, bf25146a5595269810b1f47d048f114c5ff9f544 to before a0fb59f527d03c60b2cd547cfae4a842ad84670f, bf25146a5595269810b1f47d048f114c5ff9f544 to before c7c790a07697148c41e2d03eb28efe132adda749, bf25146a5595269810b1f47d048f114c5ff9f544 to before 98cd8b4d0b836d3edf70161f40efd9cbb8c8f252, bf25146a5595269810b1f47d048f114c5ff9f544 to before 94b9da7e9f958cb3d115b21eff824ecd8c3217aa, bf25146a5595269810b1f47d048f114c5ff9f544 to before 8821e857759be9db3cde337ad328b71fe5c8a55f
Linux
Linux · 5.18
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
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · 0 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/core/filter.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 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.
- CWE
- CWE-787
- Product
- azl3 kernel 6.6.126.1-1 on Azure Linux 3.0
- CCR priority
- 31.2 /100 (P4)
- CVSS 3.1
- 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · NVD
- EPSS
- 0.00129 · percentile 0.02272 · 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
- Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-04 07:08:49.022374+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-2026-23343.html