Linux Distros Unpatched Vulnerability : CVE-2026-46275

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: hciuart: fix UAFs and race conditions in close and init paths Vulnerabilities leading to Use- After-Free UAF and Null Pointer Dereference NPD...

CVE-2026-46111

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: fix potential UAF in createbigsync Add hciconnvalid check in createbigsync to detect stale connections before proceeding with BIG creation. Handle the resulting -ECANCELED in createbigcomplete and re-validate...

CVE-2026-46138

The CVE-2026-46138 issue affects the Linux kernel Bluetooth subsystem, specifically hci_le_create_big_complete_evt. A loop over BT_BOUND connections for a BIG handle may access ev->bis_handle[i++] without ensuring i

CVE-2026-46138 Bluetooth: hci_event: Fix OOB read and infinite loop in hci_le_create_big_complete_evt

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fix OOB read and infinite loop in hcilecreatebigcompleteevt hcilecreatebigcompleteevt iterates over BTBOUND connections for a BIG handle using a while loop, accessing ev-bishandlei++ on each iteration. Howeve...

CVE-2026-46056

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: fix potential UAF in SSP passkey handlers hciconn lookup and field access must be covered by hdev lock in hciuserpasskeynotifyevt and hcikeypressnotifyevt, otherwise the connection can be freed concurrently...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a potential issue with the SSP password key handling function in Bluetooth hcievent, allowing for the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcildisc,serdev: failure in checking percpuinitrwsem syzbot reports a NULL pointer dereferencing at hciuartttyclose 1. For rcusyncenter, percpuinitrwsem is called without rcusyncinit, because hciuartttyopen ignores...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: HCI: Fixed global-out-of-bounds issue To loop a variable-length array, hciinitstagesyncstage considers that stagei is valid as long as stagei-1.func is valid. Thus, the last element of stage.func should be...

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

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fixed handling of HCIEVIOCAPAREQUEST. If we receive HCIEVIOCAPAREQUEST while HCIOPREADREMOTEEXTFEATURES has not yet been responded to, assume that the remote supports SSP. Otherwise, this event should not be...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: Use RCU for hciconnparams and iterate safely in hcisync. hciupdateacceptlistsync iterates over hdev-pendleconns and hdev-pendlereports, and waits for controller events within the loop body, without holding the hdev...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hciqca: Fixed the driver shutdown when the serdev is closed. The driver shutdown callback which sends EDLSOCRESET to the device via serdev should not be invoked when the HCI device is not open e.g., if hcidevopensyn...

SUSE CVE-2026-43322

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix UAF in lereadfeaturescomplete This fixes the following backtrace caused by hciconn being freed before lereadfeaturescomplete but after hcilereadremotefeaturessync so hciconndel - hcicmdsyncdequeue is not...

CVE-2026-43322

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix UAF in lereadfeaturescomplete This fixes the following backtrace caused by hciconn being freed before lereadfeaturescomplete but after hcilereadremotefeaturessync so hciconndel - hcicmdsyncdequeue is not...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the use of the lereadfeaturescomplete function in Bluetooth HCI sync. This function allows for...

SUSE CVE-2026-43019

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: fix potential UAF in setcigparamssync hciconn lookup and field access must be covered by hdev lock in setcigparamssync, otherwise it's possible it is freed concurrently. Take hdev lock to prevent hciconn from...

CVE-2026-43119 Bluetooth: hci_sync: annotate data-races around hdev->req_status

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: annotate data-races around hdev-reqstatus hcicmdsyncsk sets hdev-reqstatus under hdev-reqlock: hdev-reqstatus = HCIREQPEND; However, several other functions read or write hdev-reqstatus without holding any loc...

CVE-2026-43119 Bluetooth: hci_sync: annotate data-races around hdev->req_status

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: annotate data-races around hdev-reqstatus hcicmdsyncsk sets hdev-reqstatus under hdev-reqlock: hdev-reqstatus = HCIREQPEND; However, several other functions read or write hdev-reqstatus without holding any loc...

CVE-2026-43119

In CVE-2026-43119, the Linux kernel Bluetooth HCI synchronous command infrastructure has a data race on hdev->req_status: __hci_cmd_sync_sk() updates it under req_lock on one workqueue, while other paths (e.g., hci_send_cmd_sync on a different workqueue, plus hci_cmd_sync_complete/cancel) read...

CVE-2026-43119

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: annotate data-races around hdev-reqstatus hcicmdsyncsk sets hdev-reqstatus under hdev-reqlock: hdev-reqstatus = HCIREQPEND; However, several other functions read or write hdev-reqstatus without holding any loc...

SUSE CVE-2026-31771

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: move wake reason storage into validated event handlers hcistorewakereason is called from hcieventpacket immediately after stripping the HCI event header but before hcieventfunc enforces the per-event minimum...