CVE-2026-80914 Bluetooth: ISO: fix use-after-free of listener socket in iso_conn_ready

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix use-after-free of listener socket in isoconnready isoconnready looks up the BIS listener socket with isogetsock, which takes a reference, and then, without re-checking its state, creates a child socket from it...

CVE-2026-80914

CVE-2026-80914 is a use-after-free vulnerability in the Linux kernel's Bluetooth ISO subsystem , specifically in the iso_conn_ready() function. When a BIS listener socket is closed concurrently between iso_get_sock() and lock_sock(), the socket may be freed while a child socket remains linked to ...

CVE-2026-80914 Bluetooth: ISO: fix use-after-free of listener socket in iso_conn_ready

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix use-after-free of listener socket in isoconnready isoconnready looks up the BIS listener socket with isogetsock, which takes a reference, and then, without re-checking its state, creates a child socket from it...

kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers

A flaw was found in the Linux kernel's Bluetooth subsystem. This vulnerability, a Use-After-Free UAF, exists within the Secure Simple Pairing SSP passkey handlers. It occurs when hciconn lookup and field access are performed without proper locking, allowing a connection to be freed concurrently...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring Syst...

kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers

A flaw was found in the Linux kernel's Bluetooth subsystem. This vulnerability, a Use-After-Free UAF, exists within the Secure Simple Pairing SSP passkey handlers. It occurs when hciconn lookup and field access are performed without proper locking, allowing a connection to be freed concurrently...

kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp

A flaw was found in the Linux kernel's Bluetooth Logical Link Control and Adaptation Protocol L2CAP implementation. A remote Bluetooth Low Energy BLE device can exploit this by sending a specially crafted L2CAP ECRED reconfiguration response. This can lead to the corruption of the channel list,...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabilit...

kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers

A flaw was found in the Linux kernel's Bluetooth subsystem. This vulnerability, a Use-After-Free UAF, exists within the Secure Simple Pairing SSP passkey handlers. It occurs when hciconn lookup and field access are performed without proper locking, allowing a connection to be freed concurrently...

kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp

A flaw was found in the Linux kernel's Bluetooth Logical Link Control and Adaptation Protocol L2CAP implementation. A remote Bluetooth Low Energy BLE device can exploit this by sending a specially crafted L2CAP ECRED reconfiguration response. This can lead to the corruption of the channel list,...

CVE-2026-15460: Operation on Resource in Wrong Phase of Lifetime

The Bluetooth Classic BR/EDR L2CAP receive handler btl2capbrrecv in subsys/bluetooth/host/classic/l2capbr.c dispatched inbound data PDUs based only on the destination channel ID, without checking that the target channel had reached the BTL2CAPCONNECTED state. A dynamic channel is assigned its RX...

PT-2026-89182

The Bluetooth Classic BR/EDR L2CAP receive handler bt l2cap br recv in subsys/bluetooth/host/classic/l2cap br.c dispatched inbound data PDUs based only on the destination channel ID, without checking that the target channel had reached the BT L2CAP CONNECTED state. A dynamic channel is assigned i...

PT-2026-89084

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix use-after-free of listener socket in iso conn ready iso conn ready looks up the BIS listener socket with iso get sock, which takes a reference, and then, without re-checking its state, creates a child socket...

CVE-2026-80914: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix use-after-free of listener socket in isoconnready isoconnready looks up the BIS listener socket with isogetsock, which takes a reference, and then, without re-checking its state, creates a child socket from it...

Linux Distros Unpatched Vulnerability : CVE-2026-80914

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: ISO: fix use-after-free of listener socket in isoconnready isoconnready looks up the BIS listener socket with isogetsock, which takes a reference, a...

RHEL 8 : kernel (RHSA-2026:65711)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:65711 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Bluetooth: hcievent: fix...

RHEL 8 : kernel (RHSA-2026:65709)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:65709 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Bluetooth: hcievent: fix...

RHEL 9 : kernel (RHSA-2026:65712)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:65712 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Kernel: Privilege escalation...

CVE-2026-45515

In a2dpvendoropusdecoderdecodepacket of a2dpvendoropusdecoder.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

CVE-2026-28627

In btmsecencryptchange of btmsec.cc, there is a possible downgrade attack due to a logic error in the code. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation...