kernel: Bluetooth: ISO: Fix possible UAF on iso_conn_free

A vulnerability was found in isosockkill in net/bluetooth/iso.c in Bluetooth protocol stack in the Linux Kernel. In this flaw if the conn-sk is not set to NULL may lead to UAF on isoconnfree...

kernel: Bluetooth: ISO: Fix possible UAF on iso_conn_free

A vulnerability was found in isosockkill in net/bluetooth/iso.c in Bluetooth protocol stack in the Linux Kernel. In this flaw if the conn-sk is not set to NULL may lead to UAF on isoconnfree...

Azure Linux 3.0 Security Update: kernel (CVE-2024-49950)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-49950 advisory. - In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix uaf in l2capconnec...

Azure Linux 3.0 Security Update: kernel (CVE-2024-36968)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-36968 advisory. - In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix div-by-zero in...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002680)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002680 advisory. The Linux kernel version 3.3-rc1 and later is affected by a vulnerability lies in the processing of incoming L2CAP commands - ConfigRequest, and ConfigResponse...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003203)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003203 advisory. The Linux kernel version 3.3-rc1 and later is affected by a vulnerability lies in the processing of incoming L2CAP commands - ConfigRequest, and ConfigResponse...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000217)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000217 advisory. A heap address information leak while using L2CAPGETCONFOPT was discovered in the Linux kernel before 5.1-rc1. Tenable has extracted the preceding description block...

PT-2026-8141

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Bluetooth implementation of the Linux kernel related to a null pointer dereference within the hci uart write work function. The issue arises from a race condition...

CVE-2023-54214

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix potential user-after-free This fixes all instances of which requires to allocate a buffer calling allocskb which may release the chan lock and reacquire later which makes it possible that the chan is...

SUSE CVE-2023-54214

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix potential user-after-free This fixes all instances of which requires to allocate a buffer calling allocskb which may release the chan lock and reacquire later which makes it possible that the chan is...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992802)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992802 advisory. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free Fix potential use-after-free in l2caplecommandrej. Tenable h...

CVE-2023-54214

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix potential user-after-free This fixes all instances of which requires to allocate a buffer calling allocskb which may release the chan lock and reacquire later which makes it possible that the chan is...

UBUNTU-CVE-2023-54214

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix potential user-after-free This fixes all instances of which requires to allocate a buffer calling allocskb which may release the chan lock and reacquire later which makes it possible that the chan is...

CVE-2023-54214 Bluetooth: L2CAP: Fix potential user-after-free

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix potential user-after-free This fixes all instances of which requires to allocate a buffer calling allocskb which may release the chan lock and reacquire later which makes it possible that the chan is...

kernel: Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix "bad unlock balance" in l2capdisconnectrsp conn-chanlock isn't acquired before l2capgetchanbyscid, if l2capgetchanbyscid returns NULL, then 'bad unlock balance' is triggered...

The vulnerability in the implementation of the AVRCP protocol of the Bluetooth protocol stack for the Linux BlueZ operating system allows a hacker to circumvent existing security restrictions.

The vulnerability of the AVRCP protocol implementation in the Bluetooth protocol stack for the Linux BlueZ operating system is related to reading data beyond the buffer limits of memory. Exploiting this vulnerability can allow a malicious actor to circumvent existing security restrictions using a...

RHEL 7 : kernel-rt (RHSA-2025:23960)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:23960 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

CVE-2025-12035

An integer overflow condition exists in Bluetooth Host stack, within the btbraclrecv routine a critical path for processing inbound BR/EDR L2CAP traffic...

CVE-2025-12035 Bluetooth: Integer Overflow in Bluetooth Classic (BR/EDR) L2CAP

An integer overflow condition exists in Bluetooth Host stack, within the btbraclrecv routine a critical path for processing inbound BR/EDR L2CAP traffic...

UBUNTU-CVE-2023-53827

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capdisconnectreq,rsp Similar to commit d0be8347c623 "Bluetooth: L2CAP: Fix use-after-free caused by l2capchanput", just use l2capchanholdunlesszero to prevent referencing a channel that i...