CVE-2023-53827 Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp}

🗓️ 09 Dec 2025 01:29:40Reported by GoogleType

osv

osv🔗 osv.dev👁 2 Views

Linux fixes Bluetooth L2CAP use-after-free in disconnect requests and responses using l2cap_chan_hold_unless_zero.

Reporter	Title	Published	Views	Family All 317
AstraLinux	Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15	20 May 202605:53	–	astralinux
Circl	CVE-2023-53827	9 Dec 202508:20	–	circl
CNNVD	Linux kernel 安全漏洞	9 Dec 202500:00	–	cnnvd
CVE	CVE-2023-53827	9 Dec 202501:29	–	cve
Cvelist	CVE-2023-53827 Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp}	9 Dec 202501:29	–	cvelist
Debian CVE	CVE-2023-53827	9 Dec 202501:29	–	debiancve
EUVD	EUVD-2023-60169	9 Dec 202518:30	–	euvd
NVD	CVE-2023-53827	9 Dec 202516:17	–	nvd
OpenVAS	SUSE: Security Advisory (SUSE-SU-2026:1078-1)	30 Mar 202600:00	–	openvas
OSV	BELL-CVE-2023-53827	10 Dec 202506:07	–	osv

Source	Link
git	www.git.kernel.org/stable/c/1351551aa9058e07a20a27a158270cf84fcde621
git	www.git.kernel.org/stable/c/348d446762e7c70778df8bafbdf3fa0df2123f58
git	www.git.kernel.org/stable/c/a2a9339e1c9deb7e1e079e12e27a0265aea8421a
git	www.git.kernel.org/stable/c/ac6725a634f7e8c0330610a8527f20c730b61115
git	www.git.kernel.org/stable/c/c02421992505c95c7f3c9ad59ee35e22eac60988
git	www.git.kernel.org/stable/c/d82a439c3cfdb28aa7e82e2e849c5c4dd9fca284
git	www.git.kernel.org/stable/c/d9ba36c22a7bb09d6bac4cc2f243eff05da53f43
git	www.git.kernel.org/stable/c/f2d38e77aa5f3effc143e7dd24da8acf02925958
github	www.github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53827.json
nvd	www.nvd.nist.gov/vuln/detail/CVE-2023-53827

08 Jul 2026 05:38Current

6.4Medium risk

Vulners AI Score6.4

EPSS0.00225

linux kernel bluetooth l2cap use after free channel destruction