CVE-2025-21853: linux kernel from 5.5 (inclusive), before 6.6.80 (exclusive), from 6.7 (inclusive), before 6.12.17 (exclusive), from…

Affected technology

linux kernel · from 5.5 (inclusive), before 6.6.80 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.17 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.13.5 (exclusive)
linux

linux kernel · 6.14 · update rc1
linux

linux kernel · 6.14 · update rc2
linux

linux kernel · 6.14 · update rc3
linux

Linux · fc9702273e2edb90400a34b3be76f7b08fa3344b to before 2ce31c97c219b4fe797749f950274f246eb88c49, fc9702273e2edb90400a34b3be76f7b08fa3344b to before 0d90d9e154144a3a80e9fc0eb9b21b7fc990f68f, fc9702273e2edb90400a34b3be76f7b08fa3344b to before 4759acbd44d24a69b7b14848012ec4201d6c5501, fc9702273e2edb90400a34b3be76f7b08fa3344b to before 29cfda62ab4d92ab94123813db49ab76c1e61b29, fc9702273e2edb90400a34b3be76f7b08fa3344b to before d95607a5f2f9bb08194c9deaf4a5f3e8ba59a9d4, fc9702273e2edb90400a34b3be76f7b08fa3344b to before 271e49f8a58edba65bc2b1250a0abaa98c4bfdbe, fc9702273e2edb90400a34b3be76f7b08fa3344b to before bc27c52eea189e8f7492d40739b7746d67b65beb
Linux

Linux · 5.5
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

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: kernel/bpf/syscall.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.