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CVE-2026-23231: linux kernel from 3.16 (inclusive), before 6.1.165 (exclusive), from 6.2 (inclusive), before 6.6.128 (exclusive), from…
CVE-2026-23231 affects cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0. CVSS 3.1 base score 7.8 (HIGH, NVD). EPSS 0.00819 (percentile 0.5625), scored 14-Oct-2026.
Affected technology
linux kernel · from 3.16 (inclusive), before 6.1.165 (exclusive)
linux
linux kernel · from 6.2 (inclusive), before 6.6.128 (exclusive)
linux
linux kernel · from 6.7 (inclusive), before 6.12.75 (exclusive)
linux
linux kernel · from 6.13 (inclusive), before 6.18.14 (exclusive)
linux
linux kernel · from 6.19 (inclusive), before 6.19.4 (exclusive)
linux
Linux · 91c7b38dc9f0de4f7f444b796d14476bc12df7bc to before 2a6586ecfa4ce1413daaafee250d2590e05f1a33, 91c7b38dc9f0de4f7f444b796d14476bc12df7bc to before 7017745068a9068904e1e7a1b170a5785647cc81, 91c7b38dc9f0de4f7f444b796d14476bc12df7bc to before f3fe58ce37926a10115ede527d59b91bcc05400a, 91c7b38dc9f0de4f7f444b796d14476bc12df7bc to before dbd0af8083dd201f07c49110b2ee93710abdff28, 91c7b38dc9f0de4f7f444b796d14476bc12df7bc to before 2f9a4ffeb763aec822f8ff3d1e82202d27d46d4b, 91c7b38dc9f0de4f7f444b796d14476bc12df7bc to before 71e99ee20fc3f662555118cf1159443250647533
Linux
Linux · 3.16
Linux
RUGGEDCOM RST2428P · 0 to before V4.0
Siemens
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.6 to before *
Siemens
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.5 to before *
Siemens
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.7 to before *
Siemens
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.6 to before *
Siemens
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.5 to before *
Siemens
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.7 to before *
Siemens
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · 0 to before *
Siemens
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.6 to before *
Siemens
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.5 to before *
Siemens
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.7 to before *
Siemens
Component: Not specified by the source
File: net/netfilter/nf_tables_api.c
Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required
Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. NVD’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-416
- Product
- cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0
- CCR priority
- 31.4 /100 (P4)
- CVSS 3.1
- 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · NVD
- EPSS
- 0.00819 · percentile 0.5625 · 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
- Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-04 07:08:49.022374+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-2026-23231.html