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CVE-2025-21702: linux kernel from 2.6.34 (inclusive), before 5.4.291 (exclusive), from 5.5 (inclusive), before 5.10.235 (exclusive)…
CVE-2025-21702. CVSS 3.1 base score 7.0 (HIGH, NVD). EPSS 0.00272 (percentile 0.18232), scored 14-Oct-2026.
Affected technology
linux kernel · from 2.6.34 (inclusive), before 5.4.291 (exclusive)
linux
linux kernel · from 5.5 (inclusive), before 5.10.235 (exclusive)
linux
linux kernel · from 5.11 (inclusive), before 5.15.179 (exclusive)
linux
linux kernel · from 5.16 (inclusive), before 6.1.130 (exclusive)
linux
linux kernel · from 6.2 (inclusive), before 6.6.83 (exclusive)
linux
linux kernel · from 6.7 (inclusive), before 6.12.14 (exclusive)
linux
linux kernel · from 6.13 (inclusive), before 6.13.3 (exclusive)
linux
linux kernel · 6.14 · update rc1
linux
Linux · 57dbb2d83d100ea601c54fe129bfde0678db5dee to before 78285b53266d6d51fa4ff504a23df03852eba84e, 57dbb2d83d100ea601c54fe129bfde0678db5dee to before 7a9723ec27aff5674f1fd4934608937f1d650980, 57dbb2d83d100ea601c54fe129bfde0678db5dee to before a56a6e8589a9b98d8171611fbcc1e45a15fd2455, 57dbb2d83d100ea601c54fe129bfde0678db5dee to before 020ecb76812a0526f4130ab5aeb6dc7c773e7ab9, 57dbb2d83d100ea601c54fe129bfde0678db5dee to before 79a955ea4a2e5ddf4a36328959de0de496419888, 57dbb2d83d100ea601c54fe129bfde0678db5dee to before e40cb34b7f247fe2e366fd192700d1b4f38196ca, 57dbb2d83d100ea601c54fe129bfde0678db5dee to before b6a079c3b6f95378f26e2aeda520cb3176f7067b, 57dbb2d83d100ea601c54fe129bfde0678db5dee to before 647cef20e649c576dff271e018d5d15d998b629d
Linux
Linux · 2.6.34
Linux
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.5 to before *
Siemens
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 · V3.1.5 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
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · 0 to before *
Siemens
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.5 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
Function: to
File: net/sched/sch_fifo.c
Attack conditions (Source advisory, CVSS 3.1): Local · Low 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
The source reports that an attacker could gain higher privileges under the conditions described by the source. Source advisory’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. NVD’s CVSS 3.1 assessment (base score 7.0/10) rates confidentiality, integrity and availability impact as high.
- CCR priority
- 28.1 /100 (P4)
- CVSS 3.1
- 7.0 /10 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H · NVD
- EPSS
- 0.00272 · percentile 0.18232 · 2026-10-14
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-15 09:24:28.011626+00:00 UTC
- GitHub Advisory Database · Source record · observed 2026-10-15 10:43:56.988652+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-15 09:18:22.406219+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-21702.html