CVE-2026-53209

🗓️ 25 Jun 2026 09:16:38Reported by [email protected]Type

Linux kernel Bluetooth hci_sync rejects oversized Broadcast Announcement prepend to prevent buffer overrun.

Reporter	Title	Published	Views	Family All 27
attackerkb	CVE-2026-53209	25 Jun 202608:39	–	attackerkb
cbl_mariner	CVE-2026-53209 affecting package kernel for versions less than 6.6.143.1-1	8 Jul 202616:02	–	cbl_mariner
cgr	CVE-2026-53209 vulnerabilities	8 Jul 202602:17	–	cgr
circl	CVE-2026-53209	1 Jul 202602:48	–	circl
cve	CVE-2026-53209	25 Jun 202608:39	–	cve
cvelist	CVE-2026-53209 Bluetooth: hci_sync: reject oversized Broadcast Announcement prepend	25 Jun 202608:39	–	cvelist
debian	[SECURITY] [DLA 4665-1] linux security update	3 Jul 202618:38	–	debian
debian	[SECURITY] [DLA 4671-1] linux-6.1 security update	5 Jul 202618:24	–	debian
debiancve	CVE-2026-53209	25 Jun 202608:39	–	debiancve
nessus	Debian dla-4665 : affs-modules-6.1.0-48-4kc-malta-di - security update	3 Jul 202600:00	–	nessus

NVD

Node

linux linux_kernelRange6.1.142–6.1.176

linux linux_kernelRange6.6.94–6.6.143

linux linux_kernelRange6.12.34–6.12.94

linux linux_kernelRange6.15.3–6.16

linux linux_kernelRange6.16.1–6.18.36

linux linux_kernelRange6.19–7.0.13

Source	Link
git	www.git.kernel.org/stable/c/1338ee049a8910ba6c9cee963920e978e6893c7d
git	www.git.kernel.org/stable/c/10b0e832cc05d7aef4b92bed912cbd4a395d0862
git	www.git.kernel.org/stable/c/cdd8bbdbee763fdf5bf343e6f7d4e79347739f62
git	www.git.kernel.org/stable/c/5c65b96b549ea2dcfde497436bf9e048deb87758
git	www.git.kernel.org/stable/c/dafc9f57140e66a10945127aa7433c3d715dc253
git	www.git.kernel.org/stable/c/02f50e8bb69f9b22516163a09922f5537d3b12d1

02 Jul 2026 20:54Current

CVSS 3.17.8

EPSS0.00138