CVE-2026-53256

🗓️ 25 Jun 2026 09:16:43Reported by [email protected]Type

Fixed use-after-free in Bluetooth RFCOMM listener by taking a listener reference, rechecking BT_LISTEN after lock, and dropping it after use.

Reporter	Title	Published	Views	Family All 45
ATTACKERKB	CVE-2026-53256	25 Jun 202608:39	–	attackerkb
CBLMariner	CVE-2026-53256 affecting package kernel for versions less than 6.6.143.1-1	8 Jul 202616:02	–	cbl_mariner
Chainguard	CVE-2026-53256 vulnerabilities	10 Jul 202608:24	–	cgr
Circl	CVE-2026-53256	6 Jul 202606:51	–	circl
CVE	CVE-2026-53256	25 Jun 202608:39	–	cve
Cvelist	CVE-2026-53256 Bluetooth: RFCOMM: hold listener socket in rfcomm_connect_ind()	25 Jun 202608:39	–	cvelist
Debian	[SECURITY] [DLA 4664-1] linux security update	3 Jul 202615:51	–	debian
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
Debian CVE	CVE-2026-53256	25 Jun 202608:39	–	debiancve

NVD

Node

linux linux_kernelRange2.6.12.1–5.10.259

linux linux_kernelRange5.11–5.15.210

linux linux_kernelRange5.16–6.1.176

linux linux_kernelRange6.2–6.6.143

linux linux_kernelRange6.7–6.12.94

linux linux_kernelRange6.13–6.18.36

linux linux_kernelRange6.19–7.0.13

Source	Link
git	www.git.kernel.org/stable/c/43c441edacf953b39517a44f5e5e10a93618b226
git	www.git.kernel.org/stable/c/de31973ef00e5aa55496f84cf6a44bb157a34e02
git	www.git.kernel.org/stable/c/a07d741c077d4e34b16458241a94d29039386553
git	www.git.kernel.org/stable/c/8802413ce63175fb522a2bd609fb043a3550c720
git	www.git.kernel.org/stable/c/b0e33e409715c617e2a20f46f99aa5403a14dfda
git	www.git.kernel.org/stable/c/1f73f92f66251065a5f39b09a47cf05ea14d3107
git	www.git.kernel.org/stable/c/f5ec76bdbeb80f75ad0be204371afffee0f8fac8
git	www.git.kernel.org/stable/c/6f4462d12133106460d7c046b95aad2491e3fddf

08 Jul 2026 16:42Current

CVSS 3.18

EPSS0.00248