CVE-2025-68304

CVE-2025-68304 concerns the Linux kernel Bluetooth path. The issue occurs in the RX path of HCI protocol handling where the hci_conn object may be concurrently modified/deleted while still being looked up, enabling a use-after-free in certain code paths. The bug was addressed by moving the lookup...

CVE-2025-68304 Bluetooth: hci_core: lookup hci_conn on RX path on protocol side

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: lookup hciconn on RX path on protocol side The hdev lock/lookup/unlock/use pattern in the packet RX path doesn't ensure hciconn is not concurrently modified/deleted. This locking appears to be leftover from...

Linux Distros Unpatched Vulnerability : CVE-2025-68304

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: hcicore: lookup hciconn on RX path on protocol side The hdev lock/lookup/unlock/use pattern in the packet RX path doesn't ensure hciconn is not...

kernel security update

An update is available for kernel. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

CVE-2023-53762

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix UAF in hcidisconnectallsync Use-after-free can occur in hcidisconnectallsync if a connection is deleted by concurrent processing of a controller event. To prevent this the code now tries to iterate over th...

CVE-2023-53828

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Avoid use-after-free in dbg for hciaddadvmonitor KSAN reports use-after-free in hciaddadvmonitor. While adding an adv monitor, hciaddadvmonitor calls - msftaddmonitorpattern calls - msftaddmonitorsync calls -...

SUSE CVE-2023-53828

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Avoid use-after-free in dbg for hciaddadvmonitor KSAN reports use-after-free in hciaddadvmonitor. While adding an adv monitor, hciaddadvmonitor calls - msftaddmonitorpattern calls - msftaddmonitorsync calls -...

Linux Distros Unpatched Vulnerability : CVE-2023-53828

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: hcisync: Avoid use-after-free in dbg for hciaddadvmonitor KSAN reports use-after-free in hciaddadvmonitor. While adding an adv monitor,...

EUVD-2023-60168

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Avoid use-after-free in dbg for hciaddadvmonitor KSAN reports use-after-free in hciaddadvmonitor. While adding an adv monitor, hciaddadvmonitor calls - msftaddmonitorpattern calls - msftaddmonitorsync calls -...

2025-12 Cumulative security Hotpatch for Azure Stack HCI, version 21H2 and Windows Server 2022 Datacenter: Azure Edition for x64-based Systems (KB5071413)

Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information...

DEBIAN-CVE-2023-53828

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Avoid use-after-free in dbg for hciaddadvmonitor KSAN reports use-after-free in hciaddadvmonitor. While adding an adv monitor, hciaddadvmonitor calls - msftaddmonitorpattern calls - msftaddmonitorsync calls -...

kernel: Bluetooth: hci_event: Fix UAF in hci_conn_tx_dequeue

A flaw was discovered in the Bluetooth subsystem of the Linux kernel. When processing a HCIEVNUMCOMPPKTS event, the function hciconntxdequeue did not properly hold or release the hdev device lock, which may lead to a use-after-free of the connection structure...

CVE-2023-53828

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Avoid use-after-free in dbg for hciaddadvmonitor KSAN reports use-after-free in hciaddadvmonitor. While adding an adv monitor, hciaddadvmonitor calls - msftaddmonitorpattern calls - msftaddmonitorsync calls -...

CVE-2023-53828 Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_add_adv_monitor()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Avoid use-after-free in dbg for hciaddadvmonitor KSAN reports use-after-free in hciaddadvmonitor. While adding an adv monitor, hciaddadvmonitor calls - msftaddmonitorpattern calls - msftaddmonitorsync calls -...

SUSE CVE-2023-53762

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix UAF in hcidisconnectallsync Use-after-free can occur in hcidisconnectallsync if a connection is deleted by concurrent processing of a controller event. To prevent this the code now tries to iterate over th...

SUSE CVE-2025-40301

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: validate skb length for unknown CC opcode In hcicmdcompleteevt, if the command complete event has an unknown opcode, we assume the first byte of the remaining skb-data contains the return status. However,...

SUSE CVE-2025-40318

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix race in hcicmdsyncdequeueonce hcicmdsyncdequeueonce does lookup and then cancel the entry under two separate lock sections. Meanwhile, hcicmdsyncwork can also delete the same entry, leading to double listd...

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,...

RHEL 10 : kernel (RHSA-2025:22854)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:22854 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: cifs: Fix oops due to...

KB5071547: Windows Server 2022 / Azure Stack HCI 22H2 Security Update (December 2025)

The remote Windows host is missing security update 5071547 or hotpatch 5071413. It is, therefore, affected by multiple vulnerabilities - Untrusted pointer dereference in Windows Routing and Remote Access Service RRAS allows an unauthorized attacker to execute code over a network. CVE-2025-62549 -...