CVE-2026-23278: linux kernel from 4.19.316 (inclusive), before 4.20 (exclusive), from 5.4.262 (inclusive), before 5.5 (exclusive)…

Affected technology

linux kernel · from 4.19.316 (inclusive), before 4.20 (exclusive)
linux

linux kernel · from 5.4.262 (inclusive), before 5.5 (exclusive)
linux

linux kernel · from 5.10.188 (inclusive), before 5.11 (exclusive)
linux

linux kernel · from 5.15.121 (inclusive), before 5.16 (exclusive)
linux

linux kernel · from 6.1.36 (inclusive), before 6.2 (exclusive)
linux

linux kernel · from 6.3.10 (inclusive), before 6.4 (exclusive)
linux

linux kernel · from 6.4.1 (inclusive), before 6.12.78 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.19 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 6.19.9 (exclusive)
linux

linux kernel · 7.0 · update rc1
linux

linux kernel · 7.0 · update rc2
linux

linux kernel · 7.0 · update rc3
linux

Linux · d60be2da67d172aecf866302c91ea11533eca4d9 to before c4d4e86fda707d89eaba80e343321737375f8582, 628bd3e49cba1c066228e23d71a852c23e26da73 to before 4830fb44d12f586f3f544609e086933649a9175a, 628bd3e49cba1c066228e23d71a852c23e26da73 to before eb0948fa13298212c5f8b30ee48efdae4389ab09, 628bd3e49cba1c066228e23d71a852c23e26da73 to before de47a88c6b807910f05703fb6605f7efdaa11417, 628bd3e49cba1c066228e23d71a852c23e26da73 to before 77c26b5056d693ffe5e9f040e946251cdb55ae55, 628bd3e49cba1c066228e23d71a852c23e26da73 to before 7cb9a23d7ae40a702577d3d8bacb7026f04ac2a9, bc9f791d2593f17e39f87c6e2b3a36549a3705b1, 3c7ec098e3b588434a8b07ea9b5b36f04cef1f50, a136b7942ad2a50de708f76ea299ccb45ac7a7f9, 25aa2ad37c2162be1c0bc4fe6397f7e4c13f00f8, dc7cdf8cbcbf8b13de1df93f356ec04cdeef5c41, 6.1.36 to before 6.1.177, 4.19.316 to before 4.20, 5.4.262 to before 5.5, 5.10.188 to before 5.11, 5.15.121 to before 5.16, 6.3.10 to before 6.4
Linux

Linux · 6.4
Linux

SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · 0 to before *
Siemens

Component: Not specified by the source
File: net/netfilter/nf_tables_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.