CVE-2025-21791: linux kernel from 4.9 (inclusive), before 6.1.129 (exclusive), from 6.2 (inclusive), before 6.6.79 (exclusive), from…

Affected technology

linux kernel · from 4.9 (inclusive), before 6.1.129 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.79 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.16 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.13.4 (exclusive)
linux

linux kernel · 6.14 · update rc1
linux

linux kernel · 6.14 · update rc2
linux

Linux · a8e3e1a9f02094145580ea7920c6a1d9aabd5539 to before 6ccaa5797f5362a2aad6baa6ddaf4715ac2dd51e, a8e3e1a9f02094145580ea7920c6a1d9aabd5539 to before 20a3489b396764cc9376e32a9172bee26a89dc3b, a8e3e1a9f02094145580ea7920c6a1d9aabd5539 to before 5bb4228c32261d06e4fbece37ec3828bcc005b6b, a8e3e1a9f02094145580ea7920c6a1d9aabd5539 to before c7574740be8ce68a57d0aece24987b9be2114c3c, a8e3e1a9f02094145580ea7920c6a1d9aabd5539 to before c40cb5c03e37552d6eff963187109e2c3f78ef6f, a8e3e1a9f02094145580ea7920c6a1d9aabd5539 to before 022cac1c693add610ae76ede03adf4d9d5a2cf21, a8e3e1a9f02094145580ea7920c6a1d9aabd5539 to before 7b81425b517accefd46bee854d94954f5c57e019, a8e3e1a9f02094145580ea7920c6a1d9aabd5539 to before 6d0ce46a93135d96b7fa075a94a88fe0da8e8773
Linux

Linux · 4.9
Linux

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

Component: Not specified by the source
File: include/net/l3mdev.h

Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required

Attack conditions (NVD, 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. NVD’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.