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CVE-2026-23340: linux kernel 4.16; +5 more affected products
CVE-2026-23340 affects azl3 kernel 6.6.126.1-1 on Azure Linux 3.0. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00137 (percentile 0.02753), scored 14-Oct-2026.
Affected technology
linux kernel · from 4.16.1 (inclusive), before 5.15.203 (exclusive)
linux
linux kernel · from 5.16 (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 · 4.16
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 · 6b3ba9146fe64b9bebb6346c9dcfe3b4851de2d7 to before 5bb27ad54d12de67e457d7d251198e361bef835e, 6b3ba9146fe64b9bebb6346c9dcfe3b4851de2d7 to before 7594467c49bfc2f4644dee0415ac2290db11fa0d, 6b3ba9146fe64b9bebb6346c9dcfe3b4851de2d7 to before dbd58b0730aa06ab6ad26079cf9a5b6b58e7e750, 6b3ba9146fe64b9bebb6346c9dcfe3b4851de2d7 to before 5bc4e69306ed7ae02232eb4c0b23ed621a26d504, 6b3ba9146fe64b9bebb6346c9dcfe3b4851de2d7 to before 8314944cc3bdeaa5a73e6f8a8cf0d94822e625cb, 6b3ba9146fe64b9bebb6346c9dcfe3b4851de2d7 to before c69df4e0524f8de8e176ba389acd83e85f5f49d0, 6b3ba9146fe64b9bebb6346c9dcfe3b4851de2d7 to before 7f083faf59d14c04e01ec05a7507f036c965acf8
Linux
Linux · 4.16
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: include/net/sch_generic.h
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 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-416
- 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 · Source advisory
- EPSS
- 0.00137 · percentile 0.02753 · 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-2026-23340.html