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CVE-2026-43341: linux kernel from 5.15 (inclusive), before 6.1.168 (exclusive), from 6.2 (inclusive), before 6.6.134 (exclusive), from…

CVE-2026-43341. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory). EPSS 0.00774 (percentile 0.5483), scored 15-Oct-2026.

Affected technology

linux kernel · from 5.15 (inclusive), before 6.1.168 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.134 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.81 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.22 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 6.19.12 (exclusive)
linux

linux kernel · 7.0 · update rc1
linux

linux kernel · 7.0 · update rc2
linux

linux kernel · 7.0 · update rc3
linux

linux kernel · 7.0 · update rc4
linux

linux kernel · 7.0 · update rc5
linux

linux kernel · 7.0 · update rc6
linux

linux kernel · 7.0 · update rc7
linux

Linux · 8c6f6fa6772696be0c047a711858084b38763728 to before d3a1fb2ca323d7a4e10ab3afbfa25e6d8921e4f2, 8c6f6fa6772696be0c047a711858084b38763728 to before e96d48b37708d53cbdc47f6f60b0714fc4a5f596, 8c6f6fa6772696be0c047a711858084b38763728 to before d1b041080086e91d3733a5438a8c51ad5d3d8e09, 8c6f6fa6772696be0c047a711858084b38763728 to before 77695a69baca9b99d95fad09fc78c2318736604f, 8c6f6fa6772696be0c047a711858084b38763728 to before 184d2e9db27c0f76226b5cad16fe29510a5d2280, 8c6f6fa6772696be0c047a711858084b38763728 to before d6e1c9b02d85a4f1f4ba6d68e916d9b610a3ed7d, 8c6f6fa6772696be0c047a711858084b38763728 to before 5e67ba9bb531e1ec6599a82a065dea9040b9ce50
Linux

Linux · 5.15
Linux

Component: Not specified by the source
File: net/ipv6/ioam6.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
39.4 /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
0.00774 · percentile 0.5483 · 2026-10-15
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-43341.html