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CVE-2026-64136: linux kernel from 6.6.128 (inclusive), before 6.6.142 (exclusive), from 6.12.75 (inclusive), before 6.12.92…

CVE-2026-64136. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory). EPSS 0.00491 (percentile 0.40729), scored 15-Oct-2026.

Affected technology

linux kernel · from 6.6.128 (inclusive), before 6.6.142 (exclusive)
linux

linux kernel · from 6.12.75 (inclusive), before 6.12.92 (exclusive)
linux

linux kernel · from 6.18.16 (inclusive), before 6.18.34 (exclusive)
linux

linux kernel · from 6.19.6 (inclusive), before 7.0.11 (exclusive)
linux

linux kernel · 7.1 · update rc1
linux

linux kernel · 7.1 · update rc2
linux

linux kernel · 7.1 · update rc3
linux

linux kernel · 7.1 · update rc4
linux

Linux · 953953abb66e52c224057ab91e404284fefeab62 to before 7df1df6f40c0720d30206aa35c0343b962350e0d, 601dd3b79769b38d30b693c40afdb2a4b7edf9d0 to before 13fb413ae22a37c69341918a6d651d19a9b0b9b7, 3969db6b22e3d90d8c5f22ac1a7fe0350a94c136 to before bf4ebdb19ff9b3cdf992b50715fe61633327416a, 96c4af418586ee9a6aab61738644366426e05316 to before e374f4e496fef8168784f93a4477d67be34485fd, 96c4af418586ee9a6aab61738644366426e05316 to before 4d8690dace005a38e6dbde9ecce2da3ad85c7c41, 8c59eeeeffa1524ef57e173a89a1a3ff539888d5, 6.6.128 to before 6.6.142, 6.12.75 to before 6.12.92, 6.18.16 to before 6.18.34, 6.19.6 to before 6.20
Linux

Linux · 7.0
Linux

Component: Not specified by the source
File: fs/smb/client/smb2transport.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 9.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CCR priority
39.3 /100 (P4)
CVSS 3.1
9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
EPSS
0.00491 · percentile 0.40729 · 2026-10-15
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-64136.html