CVE-2026-31611: linux kernel from 5.15 (inclusive), before 6.6.136 (exclusive), from 6.7 (inclusive), before 6.12.83 (exclusive), from…

Affected technology

linux kernel · from 5.15 (inclusive), before 6.6.136 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.83 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.24 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 6.19.14 (exclusive)
linux

linux kernel · from 7.0 (inclusive), before 7.0.1 (exclusive)
linux

Linux · e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before cf2148b880fb7c0fcd727202dbc4fd5d6998b9c2, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before b5b5d5936a50497fb151c0b122899a6894721c2b, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 08f9e6d899b5c834bbcc239eae1bed58d9b15d2c, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before d2454f4a002d08560a60f214f392e6491cf11560, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 46bbcd3ebfb3549c8da1838fc4493e79bd3241e7, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 9401f86a224f37b50e6a3ccf1d46a70d5ef8af0a, e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 to before 53370cf9090777774e07fd9a8ebce67c6cc333ab
Linux

Linux · 5.15
Linux

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

Component: Not specified by the source
File: fs/smb/server/smbacl.c

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

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 8.6/10) rates confidentiality and integrity impact as low; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.