CVE-2026-23270: linux kernel from 5.15.148 (inclusive), before 5.15.203 (exclusive), from 6.1.75 (inclusive), before 6.1.167…

Affected technology

linux kernel · from 5.15.148 (inclusive), before 5.15.203 (exclusive)
linux

linux kernel · from 6.1.75 (inclusive), before 6.1.167 (exclusive)
linux

linux kernel · from 6.6.14 (inclusive), before 6.6.130 (exclusive)
linux

linux kernel · from 6.7.2 (inclusive), before 6.8 (exclusive)
linux

linux kernel · from 6.8 (inclusive), before 6.12.77 (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 · 7.0 · update rc1
linux

linux kernel · 7.0 · update rc2
linux

Linux · 172ba7d46c202e679f3ccb10264c67416aaeb1c4 to before bc4e5bb529823a09f02dbe96169de679a9db26e0, 0b5b831122fc3789fff75be433ba3e4dd7b779d4 to before fb3c380a54e33d1fd272cc342faa906d787d7ef1, 73f7da5fd124f2cda9161e2e46114915e6e82e97 to before 5a110ddcc99bda77a28598b3555fe009eaab3828, 3f14b377d01d8357eba032b4cabc8c1149b458b6 to before 524ce8b4ea8f64900b6c52b6a28df74f6bc0801e, 3f14b377d01d8357eba032b4cabc8c1149b458b6 to before 380ad8b7c65ea7aa10ef2258297079ed5ac1f5b6, 3f14b377d01d8357eba032b4cabc8c1149b458b6 to before 9deda0fcda5c1f388c5e279541850b71a2ccfcf4, 3f14b377d01d8357eba032b4cabc8c1149b458b6 to before 11cb63b0d1a0685e0831ae3c77223e002ef18189, f5346df0591d10bc948761ca854b1fae6d2ef441, 5.15.148 to before 5.15.203, 6.1.75 to before 6.1.167, 6.6.14 to before 6.6.130, 6.7.2 to before 6.8
Linux

Linux · 6.8
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/act_api.h, net/sched/act_ct.c, net/sched/cls_api.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.