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CVE-2025-39834: linux kernel from 6.12 (inclusive), before 6.16.5 (exclusive), 6.17 · update rc1, 6.17 · update rc2 (+1 more affected…
CVE-2025-39834. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.0013 (percentile 0.02367), scored 19-Oct-2026.
Affected technology
linux kernel · from 6.12 (inclusive), before 6.16.5 (exclusive)
linux
linux kernel · 6.17 · update rc1
linux
linux kernel · 6.17 · update rc2
linux
linux kernel · 6.17 · update rc3
linux
Linux · 504e536d90104c850731840d3fbc95acf251f11b to before 051fd8576a2e4e95d5870c5c9f8679c5b16882e4, 504e536d90104c850731840d3fbc95acf251f11b to before a630f83592cdad1253523a1b760cfe78fef6cd9c
Linux
Linux · 6.12
Linux
Component: Not specified by the source
Function: allocates
File: drivers/net/ethernet/mellanox/mlx5/core/steering/hws/action.c
Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required
Attack conditions (Source advisory, 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. Source advisory’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
- 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
- 0.0013 · percentile 0.02367 · 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-2025-39834.html