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CVE-2026-43083: linux kernel from 5.17 (inclusive), before 6.18.24 (exclusive), from 6.19 (inclusive), before 6.19.14 (exclusive), 7.0…
CVE-2026-43083. CVSS 3.1 base score 9.1 (CRITICAL, Source advisory). EPSS 0.00632 (percentile 0.49166), scored 15-Oct-2026.
Affected technology
linux kernel · from 5.17 (inclusive), before 6.18.24 (exclusive)
linux
linux kernel · from 6.19 (inclusive), before 6.19.14 (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 · b63c5478e9cb1d1504eb02d9dac827ad24612b32 to before 6d1d9ed9b409e0662241e3d245d574a18f643494, b63c5478e9cb1d1504eb02d9dac827ad24612b32 to before 95a1334748c95dd15546056280ade0c4b8dd7b78, b63c5478e9cb1d1504eb02d9dac827ad24612b32 to before b30b1675aa2bcf0491fd3830b051df4e08a7c8ca
Linux
Linux · 5.17
Linux
Component: Not specified by the source
Function: __ioam6_fill_trace_data
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 9.1/10) rates confidentiality and availability impact as high; integrity impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-125
- CCR priority
- 36.6 /100 (P4)
- CVSS 3.1
- 9.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H · Source advisory
- EPSS
- 0.00632 · percentile 0.49166 · 2026-10-15
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-16 16:55:38.548135+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-43083.html