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CVE-2026-43338: linux kernel from 3.6 (inclusive), before 6.12.81 (exclusive), from 6.13 (inclusive), before 6.18.22 (exclusive), from…
CVE-2026-43338. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00162 (percentile 0.0498), scored 20-Oct-2026.
Affected technology
linux kernel · from 3.6 (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 · 5d13a37bd5327220e13329943d1228acfbe5934a to before 320942ce316a17b104b5814db55e42a42c2442cf, 5d13a37bd5327220e13329943d1228acfbe5934a to before bb6eb33c908edbbb4d92abdc0c6c87f21b4952e8, 5d13a37bd5327220e13329943d1228acfbe5934a to before cf930a651eef6f8d915bf0ccd60c2045974f870c, 5d13a37bd5327220e13329943d1228acfbe5934a to before 386f5e16a383101a68e195c806b4eedb233cd1d3, 5d13a37bd5327220e13329943d1228acfbe5934a to before f9a4e3015db1aeafbef407650eb8555445ca943e
Linux
Linux · 3.6
Linux
Component: Not specified by the source
File: fs/btrfs/ioctl.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.
- 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
- 0.00162 · percentile 0.0498 · 2026-10-20
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-21 16:14:50.830645+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-2026-43338.html