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CVE-2026-53209: linux kernel 6.16; +1 more affected products

CVE-2026-53209. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00129 (percentile 0.02254), scored 15-Oct-2026.

Affected technology

linux kernel · from 6.1.142 (inclusive), before 6.1.176 (exclusive)
linux

linux kernel · from 6.6.94 (inclusive), before 6.6.143 (exclusive)
linux

linux kernel · from 6.12.34 (inclusive), before 6.12.94 (exclusive)
linux

linux kernel · from 6.15.3 (inclusive), before 6.16 (exclusive)
linux

linux kernel · from 6.16.1 (inclusive), before 6.18.36 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 7.0.13 (exclusive)
linux

linux kernel · 6.16
linux

linux kernel · 6.16 · update rc2
linux

linux kernel · 6.16 · update rc3
linux

linux kernel · 6.16 · update rc4
linux

linux kernel · 6.16 · update rc5
linux

linux kernel · 6.16 · update rc6
linux

linux kernel · 6.16 · update rc7
linux

linux kernel · 7.1 · update rc1
linux

linux kernel · 7.1 · update rc2
linux

linux kernel · 7.1 · update rc3
linux

linux kernel · 7.1 · update rc4
linux

linux kernel · 7.1 · update rc5
linux

linux kernel · 7.1 · update rc6
linux

Linux · 63f365eb4d1668a04070151b555d55a07ede8d4b to before 10b0e832cc05d7aef4b92bed912cbd4a395d0862, c621211b308816889f0a3246de448bfcef8ab3ab to before 1338ee049a8910ba6c9cee963920e978e6893c7d, 907ef6e12fb558a0763e894311eb245a94c192dd to before 02f50e8bb69f9b22516163a09922f5537d3b12d1, 5725bc608252050ed8a4d47d59225b7dd73474c8 to before dafc9f57140e66a10945127aa7433c3d715dc253, 5725bc608252050ed8a4d47d59225b7dd73474c8 to before cdd8bbdbee763fdf5bf343e6f7d4e79347739f62, 5725bc608252050ed8a4d47d59225b7dd73474c8 to before 5c65b96b549ea2dcfde497436bf9e048deb87758, 15da883c010cbc2a84aec1738b6ad6ee477846de, 6.1.142 to before 6.1.176, 6.6.94 to before 6.6.143, 6.12.34 to before 6.12.94, 6.15.3 to before 6.16
Linux

Linux · 6.16
Linux

Component: Not specified by the source
File: net/bluetooth/hci_sync.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

CWE
CWE-787
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 · Source advisory
EPSS
0.00129 · percentile 0.02254 · 2026-10-15
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-53209.html