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CVE-2025-21810: linux kernel from 6.4 (inclusive), before 6.6.76 (exclusive), from 6.7 (inclusive), before 6.12.13 (exclusive), from…

CVE-2025-21810. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00202 (percentile 0.09491), scored 14-Oct-2026.

Affected technology

linux kernel · from 6.4 (inclusive), before 6.6.76 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.13 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.13.2 (exclusive)
linux

Linux · 7b884b7f24b42fa25e92ed724ad82f137610afaf to before f4b9bc823b0cfdebfed479c0e87d6939c7562e87, 7b884b7f24b42fa25e92ed724ad82f137610afaf to before 1614e75d1a1b63db6421c7a4bf37004720c7376c, 7b884b7f24b42fa25e92ed724ad82f137610afaf to before 5c504e9767b947cf7d4e29b811c0c8b3c53242b7, 7b884b7f24b42fa25e92ed724ad82f137610afaf to before e128f82f7006991c99a58114f70ef61e937b1ac1
Linux

Linux · 6.4
Linux

Component: Not specified by the source
File: drivers/base/class.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

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 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.

Published

CWE
CWE-476
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
0.00202 · percentile 0.09491 · 2026-10-14
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2025-21810.html