PT-2025-38567

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free vulnerability exists in the Bluetooth stack, specifically within the l2cap sock cleanup listen function. The issue arises from a race condition where a socket can be fre...

The vulnerability of the l2cap_sock_alloc() function in the net/bluetooth/l2cap_sock.c module of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the l2capsockalloc function in the net/bluetooth/l2capsock.c module of the Linux kernel is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the...

AZL-60251 CVE-2025-21969 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix slab-use-after-free Read in l2capsendcmd After the hci sync command releases l2capconn, the hci receive data work queue references the released l2capconn when sending to the upper layer. Add hci dev lock to...

AZL-60270 CVE-2025-21969 affecting package kernel for versions less than 6.6.85.1-2

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix slab-use-after-free Read in l2capsendcmd After the hci sync command releases l2capconn, the hci receive data work queue references the released l2capconn when sending to the upper layer. Add hci dev lock to...

CVE-2025-21969 Bluetooth: L2CAP: Fix slab-use-after-free Read in l2cap_send_cmd

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix slab-use-after-free Read in l2capsendcmd After the hci sync command releases l2capconn, the hci receive data work queue references the released l2capconn when sending to the upper layer. Add hci dev lock to...

CVE-2025-21969

CVE-2025-21969 is a Linux kernel vulnerability in the Bluetooth stack (L2CAP). The issue is a slab-use-after-free in l2cap_send_cmd when the hci sync path releases l2cap_conn but a worker still references it. The root cause is a race between the hci receive data work queue and the l2cap_conn life...

CVE-2025-21969 Bluetooth: L2CAP: Fix slab-use-after-free Read in l2cap_send_cmd

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix slab-use-after-free Read in l2capsendcmd After the hci sync command releases l2capconn, the hci receive data work queue references the released l2capconn when sending to the upper layer. Add hci dev lock to...

CVE-2025-21969

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix slab-use-after-free Read in l2capsendcmd After the hci sync command releases l2capconn, the hci receive data work queue references the released l2capconn when sending to the upper layer. Add hci dev lock to...

SUSE-SU-2025:20164-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and 6.1 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2023-52778: mptcp: deal with large GSO size bsc1224948. - CVE-2023-52920: bpf: support non-r10 register spill/fill to/from stack in precision tracking...

Linux Distros Unpatched Vulnerability : CVE-2016-7957

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In Wireshark 2.2.0, the Bluetooth L2CAP dissector could crash, triggered by packet injection or a malformed capture file. This was addressed in...

CVE-2024-58009

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: handle NULL sock pointer in l2capsockalloc A NULL sock pointer is passed into l2capsockalloc when it is called from l2capsocknewconnectioncb and the error handling paths should also be aware of it. Seemingly a...

DEBIAN-CVE-2024-58009

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: handle NULL sock pointer in l2capsockalloc A NULL sock pointer is passed into l2capsockalloc when it is called from l2capsocknewconnectioncb and the error handling paths should also be aware of it. Seemingly a...

CVE-2024-58009 Bluetooth: L2CAP: handle NULL sock pointer in l2cap_sock_alloc

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: handle NULL sock pointer in l2capsockalloc A NULL sock pointer is passed into l2capsockalloc when it is called from l2capsocknewconnectioncb and the error handling paths should also be aware of it. Seemingly a...

CVE-2024-58009 Bluetooth: L2CAP: handle NULL sock pointer in l2cap_sock_alloc

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: handle NULL sock pointer in l2capsockalloc A NULL sock pointer is passed into l2capsockalloc when it is called from l2capsocknewconnectioncb and the error handling paths should also be aware of it. Seemingly a...

CVE-2024-58009

CVE-2024-58009 : In the Linux kernel, a NULL sock pointer could reach l2cap_sock_alloc() when invoked from l2cap_sock_new_connection_cb(), with error paths not handling NULL. The vulnerability was resolved by ensuring NULL checks (and related path awareness) in the Bluetooth L2CAP layer, effectiv...

CVE-2024-58009

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: handle NULL sock pointer in l2capsockalloc A NULL sock pointer is passed into l2capsockalloc when it is called from l2capsocknewconnectioncb and the error handling paths should also be aware of it. Seemingly a...

DEBIAN-CVE-2022-49116

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: use memset avoid memory leaks Use memset to initialize structs to prevent memory leaks in l2capecredconnect...

CVE-2022-49116 Bluetooth: use memset avoid memory leaks

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: use memset avoid memory leaks Use memset to initialize structs to prevent memory leaks in l2capecredconnect...

The vulnerability of the Linux operating system’s Bluetooth kernel component, which allows a hacker to gain elevated privileges within the system

The vulnerability of the Linux operating system’s Bluetooth kernel component is related to the use of memory after it is freed in the l2capconfigreq function. Exploiting this vulnerability can allow an attacker to increase their privileges within the system...

CLSA-2025-1739525834 kernel: Fix of 24 CVEs

media: uvcvideo: Skip parsing frames of type UVCVSUNDEFINED in uvcparseformat CVE-2024-53104 - wifi: ath9k: add range check for connrspepid in htcconnectservice CVE-2024-53156 - xsk: fix OOB map writes when deleting elements CVE-2024-56614 - hvsock: Initializing vsk-trans to NULL to prevent a...