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CVE-2025-39955: linux kernel from 3.7 (inclusive), before 5.4.300 (exclusive), from 5.5 (inclusive), before 5.10.245 (exclusive), from…

CVE-2025-39955. CVSS 3.1 base score 7.8 (HIGH, NVD). EPSS 0.00157 (percentile 0.04409), scored 14-Oct-2026.

Affected technology

linux kernel · from 3.7 (inclusive), before 5.4.300 (exclusive)
linux

linux kernel · from 5.5 (inclusive), before 5.10.245 (exclusive)
linux

linux kernel · from 5.11 (inclusive), before 5.15.194 (exclusive)
linux

linux kernel · from 5.16 (inclusive), before 6.1.154 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.108 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.49 (exclusive)
linux

linux kernel · from 6.13 (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 · 8336886f786fdacbc19b719c1f7ea91eb70706d4 to before 7ec092a91ff351dcde89c23e795b73a328274db6, 8336886f786fdacbc19b719c1f7ea91eb70706d4 to before a4378dedd6e07e62f2fccb17d78c9665718763d0, 8336886f786fdacbc19b719c1f7ea91eb70706d4 to before 33a4fdf0b4a25f8ce65380c3b0136b407ca57609, 8336886f786fdacbc19b719c1f7ea91eb70706d4 to before 17d699727577814198d744d6afe54735c6b54c99, 8336886f786fdacbc19b719c1f7ea91eb70706d4 to before dfd06131107e7b699ef1e2a24ed2f7d17c917753, 8336886f786fdacbc19b719c1f7ea91eb70706d4 to before fa4749c065644af4db496b338452a69a3e5147d9, 8336886f786fdacbc19b719c1f7ea91eb70706d4 to before ae313d14b45eca7a6bb29cb9bf396d977e7d28fb, 8336886f786fdacbc19b719c1f7ea91eb70706d4 to before 45c8a6cc2bcd780e634a6ba8e46bffbdf1fc5c01
Linux

Linux · 3.7
Linux

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.6 to before *
Siemens

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.7 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 · V3.1.7 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 · V3.1.7 to before *
Siemens

Component: Not specified by the source
File: net/ipv4/tcp.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 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.

Published

CCR priority
31.2 /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
0.00157 · percentile 0.04409 · 2026-10-14
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2025-39955.html