P4Verified

CVE-2026-23245: linux kernel 5.8; +5 more affected products

CVE-2026-23245 affects azl3 kernel 6.6.126.1-1 on Azure Linux 3.0. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00127 (percentile 0.02122), scored 14-Oct-2026.

Affected technology

linux kernel · from 5.8.1 (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 6.18.18 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 6.19.8 (exclusive)
linux

linux kernel · 5.8
linux

linux kernel · 7.0 · update rc1
linux

linux kernel · 7.0 · update rc2
linux

Linux · a51c328df3106663879645680609eb49b3ff6444 to before fc98fd8d214693be91253d9a88cdf8e5e143d124, a51c328df3106663879645680609eb49b3ff6444 to before 8b1251bbf0f10ac745ed74bad4d3b433caa1eeae, a51c328df3106663879645680609eb49b3ff6444 to before dfc314d7c767e350f78a46a8f8b134f80e8ad432, a51c328df3106663879645680609eb49b3ff6444 to before 035d0d09d5ab3ed3e93d18cde2b562a6719eea23, a51c328df3106663879645680609eb49b3ff6444 to before 04d75529dc0f9be78786162ebab7424af4644df2, a51c328df3106663879645680609eb49b3ff6444 to before 58b162e318d0243ad2d7d92456c0873f2494c351, a51c328df3106663879645680609eb49b3ff6444 to before 62413a9c3cb183afb9bb6e94dd68caf4e4145f4c
Linux

Linux · 5.8
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/tc_act/tc_gate.h, net/sched/act_gate.c

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.

Published 15-Oct-2026 09:20 UTC

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: 0.00127 · percentile 0.02122 · 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-2026-23245.html