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...

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 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-2026-43021

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix leaks when hcicmdsyncqueueonce fails When hcicmdsyncqueueonce returns with error, the destroy callback will not be called. Fix leaking references / memory on these failures...

kernel: Bluetooth: hci_sync: fix race in hci_cmd_sync_dequeue_once

A use-after-free flaw was found in hcicmdsyncdequeueonce in net/bluetooth/hcisync.c in Bluetooth: hcisync in Linux Kernel. This vulnerability could even lead to a kernel information leak problem...

PT-2025-49719

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the Bluetooth component of the Linux kernel, specifically within the hci add adv monitor function. The issue occurs when adding an advertisement monitor,...