PT-2026-85660

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A null-pointer dereference exists in the Bluetooth RFCOMM component. The function rfcomm sock recvmsg completes a deferred setup by calling rfcomm dlc accept without holding the rfcomm...

PT-2026-91356

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: take rfcomm mutex for the deferred setup accept rfcomm sock recvmsg completes a deferred setup by calling rfcomm dlc accept without holding any RFCOMM lock: if test and clear bitRFCOMM DEFER SETUP, &d-flags...

K000163200: Linux kernel vulnerability CVE-2026-53254

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: validate skb length in MCC handlers The RFCOMM MCC handlers cast skb-data to protocol-specific structs without validating skb-len first. A malicious remote device can send truncate...

ZeroPair

ZeroPair Zero-Authentication-Bluetooth-Exploit "Stiehl den Ausdruck, übernimm das System" root@kitploit: ███████╗███████╗██████╗ ██████╗ ╚══███╔╝██╔════╝██╔══██╗██╔═══██╗ ███╔╝ █████╗ ██████╔╝██║ ██║ ███╔╝ ██╔══╝ ██╔══██╗██║ ██║ ███████╗███████╗██║ ██║╚██████╔╝ ╚══════╝╚══════╝╚═╝ ╚═╝ ╚═════╝...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2024-002972)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2024-002972 advisory. NULL Pointer Dereference vulnerability in Linux Linux kernel kernel on Linux, x86, ARM net, bluetooth modules allows Overflow Buffers. This vulnerability is associat...

SUSE CVE-2026-68188

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix session UAF in settermios rfcommttysettermios tests dlc-session without rfcommmutex and later passes the pointer to rfcommsendrpn. The latter dereferences both session-initiator and session-sock. Meanwhile,...

CVE-2026-68188

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...

CVE-2026-68188

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix session UAF in settermios rfcommttysettermios tests dlc-session without rfcommmutex and later passes the pointer to rfcommsendrpn. The latter dereferences both session-initiator and session-sock. Meanwhile,...

UBUNTU-CVE-2026-68188

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix session UAF in settermios rfcommttysettermios tests dlc-session without rfcommmutex and later passes the pointer to rfcommsendrpn. The latter dereferences both session-initiator and session-sock. Meanwhile,...

CVE-2026-68188

CVE-2026-68188 : In the Linux kernel Bluetooth RFCOMM path, a race caused use-after-free in rfcomm_send_rpn when rfcomm_tty_set_termios tests dlc->session without holding rfcomm_mutex and the DLC/session is freed by krfcommd. The fix adds rfcomm_dlc_send_rpn() that holds rfcomm_mutex while ver...

CVE-2026-68188 Bluetooth: RFCOMM: Fix session UAF in set_termios

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix session UAF in settermios rfcommttysettermios tests dlc-session without rfcommmutex and later passes the pointer to rfcommsendrpn. The latter dereferences both session-initiator and session-sock. Meanwhile,...

CVE-2026-68188: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix session UAF in settermios rfcommttysettermios tests dlc-session without rfcommmutex and later passes the pointer to rfcommsendrpn. The latter dereferences both session-initiator and session-sock. Meanwhile,...

PT-2026-69588

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free UAF issue exists in the Bluetooth RFCOMM component. The function rfcomm tty set termios checks dlc-session without acquiring the rfcomm mutex and subsequently passes the...

Linux Distros Unpatched Vulnerability : CVE-2026-68188

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: RFCOMM: Fix session UAF in settermios rfcommttysettermios tests dlc-session without rfcommmutex and later passes the pointer to rfcommsendrpn. The...

CVE-2026-10654 RFCOMM session-disconnect race leaks session/L2CAP and denies further RFCOMM service in Zephyr Bluetooth Classic

A race condition in the Zephyr Bluetooth Classic RFCOMM host stack subsys/bluetooth/host/classic/rfcomm.c mishandles a simultaneous bidirectional session disconnect. When the local device has initiated a session teardown state BTRFCOMMSTATEDISCONNECTING, DISC sent, RTX timer armed and the connect...

CVE-2026-10654: Concurrent Execution using Shared Resource with Improper Synchronization

A race condition in the Zephyr Bluetooth Classic RFCOMM host stack subsys/bluetooth/host/classic/rfcomm.c mishandles a simultaneous bidirectional session disconnect. When the local device has initiated a session teardown state BTRFCOMMSTATEDISCONNECTING, DISC sent, RTX timer armed and the connect...

Linux Distros Unpatched Vulnerability : CVE-2026-53254

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: RFCOMM: validate skb length in MCC handlers The RFCOMM MCC handlers cast skb-data to protocol- specific structs without validating skb-len first. A...

SUSE CVE-2026-53254

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: validate skb length in MCC handlers The RFCOMM MCC handlers cast skb-data to protocol-specific structs without validating skb-len first. A malicious remote device can send truncated MCC frames and trigger...

SUSE CVE-2026-53256

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: hold listener socket in rfcommconnectind rfcommgetsockbychannel scans rfcommsklist under the list lock, but returns the selected listener after dropping that lock without taking a reference. rfcommconnectind th...

CVE-2026-53254

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...