Linux Distros Unpatched Vulnerability : CVE-2026-80819

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: RFCOMM: take rfcommmutex for the deferred setup accept rfcommsockrecvmsg completes a deferred setup by calling rfcommdlcaccept without holding any...

Linux Distros Unpatched Vulnerability : CVE-2026-80763

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: hcievent: validate LE Set CIG Parameters response The Command Complete dispatch validates only the fixed part of the LE Set CIG Parameters response...

PT-2026-91317

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci sync: Fix accept list UAF during suspend hci update event filter sync walks hdev-accept list while sending a synchronous HCI command for each remote-wakeup device. The suspend path holds hdev-req lock, but...

CVE-2026-80762: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix accept list UAF during suspend hciupdateeventfiltersync walks hdev-acceptlist while sending a synchronous HCI command for each remote-wakeup device. The suspend path holds hdev-reqlock, but accept-list...

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-2026-85603

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci sync: Fix accept list UAF during suspend hci update event filter sync walks hdev-accept list while sending a synchronous HCI command for each remote-wakeup device. The suspend path holds hdev-req lock, but...

PT-2026-91347

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: zero the sockaddr before returning it in getname iso sock getname fills a struct sockaddr iso in place and returns its size without clearing it first, so bytes it does not write are copied to user space from the...

CVE-2026-80761: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: zero the sockaddr before returning it in getname isosockgetname fills a struct sockaddriso in place and returns its size without clearing it first, so bytes it does not write are copied to user space from the kern...

The vulnerability of the l2cap_ecred_reconf_rsp() function in the net/bluetooth/l2cap_core.c module of the Linux kernel’s Bluetooth subsystem allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the l2capecredreconfrsp function in the net/bluetooth/l2capcore.c module of the Linux kernel’s Bluetooth subsystem is related to synchronization errors. Exploiting this vulnerability could allow a remote attacker to compromise the confidentiality, integrity, and accessibility...

Linux Distros Unpatched Vulnerability : CVE-2026-80762

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: hcisync: Fix accept list UAF during suspend hciupdateeventfiltersync walks hdev-acceptlist while sending a synchronous HCI command for each...

PT-2026-85601

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: reject HCI CMD SYNC params len above 255 mgmt hci cmd sync checks that the message length agrees with params len but puts no upper bound on it. params len is le16 while the parameter length in the HCI command...

PT-2026-85602

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: zero the sockaddr before returning it in getname iso sock getname fills a struct sockaddr iso in place and returns its size without clearing it first, so bytes it does not write are copied to user space from the...

PT-2026-85600

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci aml: validate firmware segment lengths aml download firmware reads two lengths from the firmware header and uses them to build pointers before checking that the header and segment data are present. A truncated or...

PT-2026-85604

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci event: validate LE Set CIG Parameters response The Command Complete dispatch validates only the fixed part of the LE Set CIG Parameters response. After that part is pulled from the skb, hci cc le set cig params...

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...

ALSA-2026:63128 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Bluetooth: hcildisc: Clear HCIUARTPROTOINIT on error CVE-2026-53073 kernel: exfat: fix potential use-after-free in exfatfinddirentry CVE-2026-63808 kernel: KEYS: fix overflow in...

The vulnerability of the btsdioremove() function in the drivers/bluetooth/btsdio.c driver for Bluetooth devices in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the btsdioremove function in the drivers/bluetooth/btsdio.c driver for Bluetooth devices in Linux operating systems is related to the repeated release of previously released memory. Exploiting this vulnerability could allow a attacker to cause a service failure...

The vulnerability of the btmtk_usb_hci_wmtSync() function in the drivers/bluetooth/btmtk.c module of the Linux kernel’s Bluetooth device driver allows a attacker to disclose confidential information or cause service failures.

The vulnerability of the btmtkusbhciwmtSync function in the drivers/bluetooth/btmtk.c module of the Linux Bluetooth kernel driver is related to the execution of operations outside of the buffer boundaries. Exploiting this vulnerability could allow an attacker to disclose sensitive information or...

kernel: Bluetooth: SCO: fix race conditions in sco_sock_connect()

A flaw was found in the Linux kernel, specifically within its Bluetooth Synchronous Connection-Oriented SCO component. This vulnerability occurs due to race conditions when multiple connection attempts are made simultaneously on the same Bluetooth socket. This can lead to a use-after-free error,...

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...