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CVE-2026-23137: linux kernel from 3.18 (inclusive), before 6.18.6 (exclusive), 6.19 · update rc1, 6.19 · update rc2 (+2 more affected…
CVE-2026-23137 affects cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00141 (percentile 0.03106), scored 20-Oct-2026.
Affected technology
linux kernel · from 3.18 (inclusive), before 6.18.6 (exclusive)
linux
linux kernel · 6.19 · update rc1
linux
linux kernel · 6.19 · update rc2
linux
linux kernel · 6.19 · update rc3
linux
linux kernel · 6.19 · update rc4
linux
Linux · 2eb46da2a760e5764c48b752a5ef320e02b96b21 to before 4c7ad40c285ab85e3614433e063f14aac2e2fe17, 2eb46da2a760e5764c48b752a5ef320e02b96b21 to before 58baf98d1bdab897fd796f39a16061bade229d71, 2eb46da2a760e5764c48b752a5ef320e02b96b21 to before f09b0f705bd7197863b90256ef533a6414d1db2c, 2eb46da2a760e5764c48b752a5ef320e02b96b21 to before 235a1eb8d2dcc49a6cf0a5ee1aa85544a5d0054b
Linux
Linux · 3.18
Linux
Component: Not specified by the source
File: drivers/of/unittest.c
Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
NVD’s CVSS 3.1 assessment (base score 5.5/10) 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.
- CWE
- CWE-401
- Product
- cbl2 kernel 5.15.200.1-1 on CBL Mariner 2.0
- CCR priority
- 22.0 /100 (P4)
- CVSS 3.1
- 5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · NVD
- EPSS
- 0.00141 · percentile 0.03106 · 2026-10-20
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-20 16:56:29.772392+00:00 UTC
- GitHub Advisory Database · Source record · observed 2026-10-21 16:14:50.830645+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 2026-10-21 16:09:05.633125+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-23137.html