Linux kernel 安全漏洞

🗓️ 09 Dec 2025 00:00:00Reported by China National Vulnerability Database of Information SecurityType

cnnvd🔗 www.cnnvd.org.cn👁 17 Views

A Linux vulnerability due to channel reference counting in l2cap_disconnect causing use after free.

Reporter	Title	Published	Views	Family All 150
AstraLinux	Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15	14 Sep 202612:01	–	astralinux
BDU FSTEC	The vulnerabilities of the functions l2cap_disconnect_req() and l2cap_disconnect_rsp() in the net/bluetooth/l2cap_core.c module of the Linux kernel’s Bluetooth subsystem allow attackers to compromise the confidentiality, integrity, and accessibility of protected information.	25 Aug 202600:00	–	bdu_fstec
Tenable Nessus	CentOS Linux 7.9 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-whitelists / etc Multiple Vulnerabilities (ciqsa-2026_0653)	1 Oct 202600:00	–	nessus
Tenable Nessus	Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (ciqsa-2026_0636)	1 Oct 202600:00	–	nessus
Tenable Nessus	Rocky Linux 9.2 [CIQ] Security Update: bpftool / kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ciqsa-2026_0393)	1 Oct 202600:00	–	nessus
Tenable Nessus	Rocky Linux 9.2 [CIQ] Security Update: bpftool-debuginfo Multiple Vulnerabilities (ciqsa-2026_1240)	1 Oct 202600:00	–	nessus
Tenable Nessus	Photon OS 4.0: Linux PHSA-2021-4.0-0065	22 Jul 202100:00	–	nessus
Tenable Nessus	RHEL 8 : kernel (RHSA-2026:3360)	2 Mar 202600:00	–	nessus
Tenable Nessus	RHEL 8 : kernel (RHSA-2026:3388)	26 Feb 202600:00	–	nessus
Tenable Nessus	SUSE SLES15 : Security update for the Linux Kernel (SUSE-SU-2026:0317-1)	30 Jan 202600:00	–	nessus

Source	Link
git	www.git.kernel.org/stable/c/d9ba36c22a7bb09d6bac4cc2f243eff05da53f43
git	www.git.kernel.org/stable/c/348d446762e7c70778df8bafbdf3fa0df2123f58
git	www.git.kernel.org/stable/c/d82a439c3cfdb28aa7e82e2e849c5c4dd9fca284
git	www.git.kernel.org/stable/c/1351551aa9058e07a20a27a158270cf84fcde621
git	www.git.kernel.org/stable/c/a2a9339e1c9deb7e1e079e12e27a0265aea8421a
git	www.git.kernel.org/stable/c/ac6725a634f7e8c0330610a8527f20c730b61115
git	www.git.kernel.org/stable/c/f2d38e77aa5f3effc143e7dd24da8acf02925958
git	www.git.kernel.org/stable/c/c02421992505c95c7f3c9ad59ee35e22eac60988
vigilance	www.vigilance.fr/vulnerability/Linux-kernel-multiple-vulnerabilities-dated-09-12-2025-49020

28 May 2026 00:00Current

6.1Medium risk

Vulners AI Score6.1

EPSS0.00391

linux kernel security vulnerability l2cap disconnect channel reference counting use after free