CVE-2025-21729: linux kernel from 5.18 (inclusive), before 6.12.13 (exclusive), from 6.13 (inclusive), before 6.13.2 (exclusive); +1…

CVE-2025-21729. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00202 (percentile 0.09624), scored 20-Oct-2026.

Affected technology

linux kernel · from 5.18 (inclusive), before 6.12.13 (exclusive)
linux

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

Linux · 895907779752606f6a4795abfc008509f8e38314 to before 7368f88b2e62d043cd64fe7bdd5c3c2a2f9795b0, 895907779752606f6a4795abfc008509f8e38314 to before 2403cb3c235d5e339b580cc3a825493769fadca8, 895907779752606f6a4795abfc008509f8e38314 to before 5afcd6fcd1e1c1fd6bcc9a360c121d10eddade67, 895907779752606f6a4795abfc008509f8e38314 to before ba4bb0402c60e945c4c396c51f0acac3c3e3ea5c
Linux

Linux · 5.18
Linux

Component: Not specified by the source
File: drivers/net/wireless/realtek/rtw89/mac80211.c

Attack conditions (Source advisory, 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. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 21-Oct-2026 16:14 UTC

CWE: CWE-416
CCR priority: 31.3 /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 · Source advisory
EPSS: 0.00202 · percentile 0.09624 · 2026-10-20
KEV: no

Provenance

GitHub Advisory Database · Source record · observed 2026-10-21 16:14:50.830645+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-21 16:09:05.633125+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-21729.html