CVE-2025-21779: linux kernel from 4.20 (inclusive), before 6.1.129 (exclusive), from 6.2 (inclusive), before 6.6.79 (exclusive), from…

Affected technology

linux kernel · from 4.20 (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 · 214ff83d4473a7757fa18a64dc7efe3b0e158486 to before 61224533f2b61e252b03e214195d27d64b22989a, 214ff83d4473a7757fa18a64dc7efe3b0e158486 to before 45fa526b0f5a34492ed0536c3cdf88b78380e4de, 214ff83d4473a7757fa18a64dc7efe3b0e158486 to before 5393cf22312418262679eaadb130d608c75fe690, 214ff83d4473a7757fa18a64dc7efe3b0e158486 to before 874ff13c73c45ecb38cb82191e8c1d523f0dc81b, 214ff83d4473a7757fa18a64dc7efe3b0e158486 to before aca8be4403fb90db7adaf63830e27ebe787a76e8, 214ff83d4473a7757fa18a64dc7efe3b0e158486 to before ca29f58ca374c40a0e69c5306fc5c940a0069074, 214ff83d4473a7757fa18a64dc7efe3b0e158486 to before a8de7f100bb5989d9c3627d3a223ee1c863f3b69
Linux

Linux · 4.20
Linux

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

Component: Not specified by the source
File: arch/x86/kvm/hyperv.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.