CVE-2025-21761: linux kernel from 4.15 (inclusive), before 5.4.291 (exclusive), from 5.5 (inclusive), before 5.10.235 (exclusive)…

Affected technology

linux kernel · from 4.15 (inclusive), before 5.4.291 (exclusive)
linux

linux kernel · from 5.5 (inclusive), before 5.10.235 (exclusive)
linux

linux kernel · from 5.11 (inclusive), before 5.15.179 (exclusive)
linux

linux kernel · from 5.16 (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 · 9354d452034273a50a4fd703bea31e5d6b1fc20b to before e85a25d1a9985645e796039e843d1de581d2de1e, 9354d452034273a50a4fd703bea31e5d6b1fc20b to before a8816b3f1f151373fd30f1996f00480126c8bb11, 9354d452034273a50a4fd703bea31e5d6b1fc20b to before a884f57600e463f69d7b279c4598b865260b62a1, 9354d452034273a50a4fd703bea31e5d6b1fc20b to before 7e01abc34e87abd091e619161a20f54ed4e3e2da, 9354d452034273a50a4fd703bea31e5d6b1fc20b to before 8ec57509c36c8b9a23e50b7858dda0c520a2d074, 9354d452034273a50a4fd703bea31e5d6b1fc20b to before a849a10de5e04d798f7f286a2f1ca174719a617a, 9354d452034273a50a4fd703bea31e5d6b1fc20b to before 5828937742af74666192835d657095d95c53dbd0, 9354d452034273a50a4fd703bea31e5d6b1fc20b to before 90b2f49a502fa71090d9f4fe29a2f51fe5dff76d
Linux

Linux · 4.15
Linux

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

Component: Not specified by the source
File: net/openvswitch/datapath.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.