CVE-2025-21705: linux kernel 6.4; +5 more affected products

Affected technology

linux kernel · from 6.1.36 (inclusive), before 6.1.129 (exclusive)
linux

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

linux kernel · from 6.4.1 (inclusive), before 6.6.76 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.13 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.13.2 (exclusive)
linux

linux kernel · 6.4
linux

Linux · b7bb71dfb541df376c21c24451369fea83c4f327 to before 73e268b4be27b36ae68ea10755cb003f43b38884, c2b2ae3925b65070adb27d5a31a31c376f26dec7 to before 0263fb2e7b7b88075a5d86e74c4384ee4400828d, c2b2ae3925b65070adb27d5a31a31c376f26dec7 to before 84ac44d9fed3a56440971cbd7600a02b70b5b32a, c2b2ae3925b65070adb27d5a31a31c376f26dec7 to before 6ec806762318a4adde0ea63342d42d0feae95079, c2b2ae3925b65070adb27d5a31a31c376f26dec7 to before 619af16b3b57a3a4ee50b9a30add9ff155541e71, 9c998d59a6b1359ad43d1ef38538af5f55fd01a2, 6.1.36 to before 6.1.129, 6.3.10 to before 6.4
Linux

Linux · 6.4
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 · V3.1.7 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 · V3.1.7 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 · V3.1.7 to before *
Siemens

Component: Not specified by the source
File: net/mptcp/protocol.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 5.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.