CVE-2025-21703: linux kernel from 5.4.288 (inclusive), before 5.4.291 (exclusive), from 5.10.232 (inclusive), before 5.10.235…

Affected technology

linux kernel · from 5.4.288 (inclusive), before 5.4.291 (exclusive)
linux

linux kernel · from 5.10.232 (inclusive), before 5.10.235 (exclusive)
linux

linux kernel · from 5.15.175 (inclusive), before 5.15.179 (exclusive)
linux

linux kernel · from 6.1.121 (inclusive), before 6.1.129 (exclusive)
linux

linux kernel · from 6.6.67 (inclusive), before 6.6.78 (exclusive)
linux

linux kernel · from 6.12.6 (inclusive), before 6.12.14 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.13.3 (exclusive)
linux

linux kernel · 6.14 · update rc1
linux

Linux · 83c6ab12f08dcc09d4c5ac86fdb89736b28f1d31 to before e395fec75ac2dbffc99b4bce57b7f1f3c5449f2c, 216509dda290f6db92c816dd54b83c1df9da9e76 to before 7f31d74fcc556a9166b1bb20515542de7bb939d1, c2047b0e216c8edce227d7c42f99ac2877dad0e4 to before 98a2c685293aae122f688cde11d9334dddc5d207, 10df49cfca73dfbbdb6c4150d859f7e8926ae427 to before 7b79ca9a1de6a428d486ff52fb3d602321c08f55, 3824c5fad18eeb7abe0c4fc966f29959552dca3e to before 1f8e3f4a4b8b90ad274dfbc66fc7d55cb582f4d5, 356078a5c55ec8d2061fcc009fb8599f5b0527f9 to before 6312555249082d6d8cc5321ff725df05482d8b83, f8d4bc455047cf3903cd6f85f49978987dbb3027 to before 839ecc583fa00fab785fde1c85a326743657fd32, f8d4bc455047cf3903cd6f85f49978987dbb3027 to before 638ba5089324796c2ee49af10427459c2de35f71, 5.4.288 to before 5.4.291, 5.10.232 to before 5.10.235, 5.15.175 to before 5.15.179, 6.1.121 to before 6.1.129, 6.6.67 to before 6.6.78, 6.12.6 to before 6.12.14
Linux

Linux · 6.13
Linux

SIMATIC S7-1500 TM MFP - BIOS · 0 to before *
Siemens

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

Component: Not specified by the source
File: net/sched/sch_netem.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.