P4Verified

CVE-2026-46320: linux kernel from 4.20 (inclusive), before 5.10.259 (exclusive), from 5.11 (inclusive), before 5.15.210 (exclusive)…

CVE-2026-46320. CVSS 3.1 base score 7.4 (HIGH, Source advisory). EPSS 0.00235 (percentile 0.13435), scored 14-Oct-2026.

Affected technology

linux kernel · from 4.20 (inclusive), before 5.10.259 (exclusive)
linux

linux kernel · from 5.11 (inclusive), before 5.15.210 (exclusive)
linux

linux kernel · from 5.16 (inclusive), before 6.1.176 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.143 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.94 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.36 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 7.0.12 (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 kernel · 7.1 · update rc5
linux

Linux · 0efac27791ee068075d80f07c55a229b1335ce12 to before 8d03e65eb6cfbffec471a6b65416f93679bf3286, 0efac27791ee068075d80f07c55a229b1335ce12 to before f979971835dddbca86cf99e3b2e2b94a408a1ab2, 0efac27791ee068075d80f07c55a229b1335ce12 to before 3f52a86a482a69294c50a5a2a097bd6f4104990a, 0efac27791ee068075d80f07c55a229b1335ce12 to before d30aac0fa00ca0afc3e08174cf7f974a66bdcf05, 0efac27791ee068075d80f07c55a229b1335ce12 to before d68eab61944a9b0826fa2e954e42db1aa3201b7a, 0efac27791ee068075d80f07c55a229b1335ce12 to before e27c17346628cb56843a83f93ac63c314c00f388, 0efac27791ee068075d80f07c55a229b1335ce12 to before 18a84c35842e19cd3c5534d8cee73d31863f696d, 0efac27791ee068075d80f07c55a229b1335ce12 to before 3bcf7aec6a9d16438f2cec29f5d7c8d5b8edf9b2
Linux

Linux · 4.20
Linux

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

Component: Not specified by the source
File: drivers/net/tap.c

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

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 7.4/10) 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.

Published 15-Oct-2026 09:20 UTC

CCR priority: 29.7 /100 (P4)
CVSS 3.1: 7.4 /10 · CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H · Source advisory
EPSS: 0.00235 · percentile 0.13435 · 2026-10-14
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-15 09:24:28.011626+00:00 UTC
GitHub Advisory Database · Source record · observed 2026-10-15 10:43:56.988652+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-15 09:18:22.406219+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-46320.html