kernel: Linux kernel Bluetooth RFCOMM: Denial of Service via use-after-free in set_termios

A flaw was found in the Linux kernel's Bluetooth RFCOMM subsystem. A race condition in the rfcommttysettermios function allows a session to be freed while it is still actively in use. This use-after-free UAF vulnerability can be exploited by a local attacker. Successful exploitation leads to a...

kernel: Linux kernel Bluetooth RFCOMM: Denial of Service via use-after-free in set_termios

A flaw was found in the Linux kernel's Bluetooth RFCOMM subsystem. A race condition in the rfcommttysettermios function allows a session to be freed while it is still actively in use. This use-after-free UAF vulnerability can be exploited by a local attacker. Successful exploitation leads to a...

kernel: Linux kernel Bluetooth RFCOMM: Denial of Service via use-after-free in set_termios

A flaw was found in the Linux kernel's Bluetooth RFCOMM subsystem. A race condition in the rfcommttysettermios function allows a session to be freed while it is still actively in use. This use-after-free UAF vulnerability can be exploited by a local attacker. Successful exploitation leads to a...

kernel: Bluetooth: RFCOMM: validate skb length in MCC handlers

A flaw was found in the Linux kernel's Bluetooth RFCOMM Radio Frequency Communication subsystem. A malicious remote device could exploit this vulnerability by sending specially crafted, truncated Multiplexing Control Channel MCC frames. This lack of proper validation of incoming data length befor...

CVE-2025-13834-A-Bluetooth-RFCOMM-Out-of-Bounds-Read-Vulnerability-in-Modern-Wireless-Devices

= doi.org/10.5281/zenodo.18323302 = orcid.org/0009-0007-7728-256X README.md: Marco de Explotación RFCOMM Bluetooth "Heartbleed" CVE-2025-13834 Autor: Sastra Adi Wiguna Purple Elite Teaming Fecha: 20 de enero de 2026 Versión: 1.0 Réplica a nivel de sistema completo Licencia: SOLO USO EN RED TEAM N...

CVE-2026-31280-Insecure-Bluetooth-RFCOMM-Leading-to-Device-Crash-in-Parani-M10-Intercom

CVE-2026-31280-Insecure-Bluetooth-RFCOMM-Leading-to-Device-Crash-in-Parani-M10-Intercom Un servicio Bluetooth Classic RFCOMM del intercomunicador Parani M10 está expuesto sin aplicar autenticación segura ni un control de acceso adecuado. Una vez dentro del alcance, cualquier dispositivo puede...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

A NULL pointer dereference vulnerability exists in the Linux kernel on Linux, x86, and ARM platforms including networking and Bluetooth modules. This vulnerability is related to the /net/bluetooth/rfcomm/core.C file. This issue affects the Linux kernel version v2.6.12-rc2...

kernel: Bluetooth: RFCOMM: validate skb length in MCC handlers

A flaw was found in the Linux kernel's Bluetooth RFCOMM Radio Frequency Communication subsystem. A malicious remote device could exploit this vulnerability by sending specially crafted, truncated Multiplexing Control Channel MCC frames. This lack of proper validation of incoming data length befor...

kernel: Bluetooth: RFCOMM: hold listener socket in rfcomm_connect_ind()

A flaw was found in the Linux kernel's Bluetooth RFCOMM Radio Frequency Communication subsystem. A race condition in the rfcommconnectind function, specifically during the handling of listener sockets, can lead to a use-after-free vulnerability. A local attacker could exploit this to cause a deni...

Linux Distros Unpatched Vulnerability : CVE-2026-89569

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: RFCOMM: serialize security confirmation handling rfcommsecuritycfm looks up a session on sessionlist and then walks its DLC list without holding...

CVE-2026-89569

A flaw was found in the Linux kernel's Bluetooth RFCOMM subsystem. This vulnerability arises because the system does not properly manage memory when handling Bluetooth security confirmations. A race condition allows a part of the system to free memory that is still in use by another part, leading...

CVE-2026-89569

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: serialize security confirmation handling rfcommsecuritycfm looks up a session on sessionlist and then walks its DLC list without holding rfcommmutex. Since RFCOMM session teardown uses rfcommmutex, krfcommd can...

AZL-100721 CVE-2026-89569 affecting package kernel 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: serialize security confirmation handling rfcommsecuritycfm looks up a session on sessionlist and then walks its DLC list without holding rfcommmutex. Since RFCOMM session teardown uses rfcommmutex, krfcommd can...

DEBIAN-CVE-2026-89569

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: serialize security confirmation handling rfcommsecuritycfm looks up a session on sessionlist and then walks its DLC list without holding rfcommmutex. Since RFCOMM session teardown uses rfcommmutex, krfcommd can...

CVE-2026-89569

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: serialize security confirmation handling rfcommsecuritycfm looks up a session on sessionlist and then walks its DLC list without holding rfcommmutex. Since RFCOMM session teardown uses rfcommmutex, krfcommd can...

CVE-2026-89569 Bluetooth: RFCOMM: serialize security confirmation handling

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: serialize security confirmation handling rfcommsecuritycfm looks up a session on sessionlist and then walks its DLC list without holding rfcommmutex. Since RFCOMM session teardown uses rfcommmutex, krfcommd can...

EUVD-2026-76480

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: serialize security confirmation handling rfcommsecuritycfm looks up a session on sessionlist and then walks its DLC list without holding rfcommmutex. Since RFCOMM session teardown uses rfcommmutex, krfcommd can...

CVE-2026-89569

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: serialize security confirmation handling rfcommsecuritycfm looks up a session on sessionlist and then walks its DLC list without holding rfcommmutex. Since RFCOMM session teardown uses rfcommmutex, krfcommd can...

CVE-2026-89569

CVE-2026-89569 is a use-after-free vulnerability in the Linux kernel's Bluetooth RFCOMM subsystem. The function rfcomm_security_cfm() walks a session's DLC list without holding rfcomm_mutex, while krfcommd can concurrently tear down the same session and DLCs via rfcomm_session_del() and rfcomm_dl...

CVE-2026-89569 Bluetooth: RFCOMM: serialize security confirmation handling

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: serialize security confirmation handling rfcommsecuritycfm looks up a session on sessionlist and then walks its DLC list without holding rfcommmutex. Since RFCOMM session teardown uses rfcommmutex, krfcommd can...