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CVE-2025-39933: linux kernel from 4.16 (inclusive), before 6.16.9 (exclusive), 6.17 · update rc1, 6.17 · update rc2 (+4 more affected…
CVE-2025-39933. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.0021 (percentile 0.10657), scored 19-Oct-2026.
Affected technology
linux kernel · from 4.16 (inclusive), before 6.16.9 (exclusive)
linux
linux kernel · 6.17 · update rc1
linux
linux kernel · 6.17 · update rc2
linux
linux kernel · 6.17 · update rc3
linux
linux kernel · 6.17 · update rc4
linux
linux kernel · 6.17 · update rc5
linux
linux kernel · 6.17 · update rc6
linux
Linux · f198186aa9bbd60fae7a2061f4feec614d880299 to before 581fb78e0388b78911b0c920e4073737090c8b5f, f198186aa9bbd60fae7a2061f4feec614d880299 to before f57e53ea252363234f86674db475839e5b87102e
Linux
Linux · 4.16
Linux
Component: Not specified by the source
File: fs/smb/client/smbdirect.c
Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No 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 9.4/10) rates confidentiality and availability impact as high; integrity impact as low. 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
- 22.1 /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
- 0.0021 · percentile 0.10657 · 2026-10-19
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-20 01:44:01.123206+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-39933.html