KB5073457: Windows Server 2022 / Azure Stack HCI 22H2 Security Update (January 2026)

The remote Windows host is missing security update 5073457. It is, therefore, affected by multiple vulnerabilities - Untrusted pointer dereference in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally. CVE-2026-20857 - An issue was discovered in...

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-2025-53477

NULL Pointer Dereference vulnerability in Apache Nimble. Missing validation of HCI connection complete or HCI command TX buffer could lead to NULL pointer dereference. This issue requires disabled asserts and broken or bogus Bluetooth controller and thus severity is considered low. This issue...

CVE-2025-53477

CVE-2025-53477 is a NULL pointer dereference vulnerability in Apache NimBLE (NimBLE host HCI layer). The issue stems from missing validation of HCI connection complete or HCI command TX buffers, which can lead to a NULL pointer dereference when combined with disabled asserts and a malfunctioning ...

Apache NimBLE 代码问题漏洞

Apache NimBLE is an open source Bluetooth 5.4 stack host and controller from the Apache Foundation, USA, that completely replaces the proprietary SoftDevice on Nordic chipsets.It is part of the Apache Mynewt project. A code issue vulnerability exists in Apache NimBLE 1.8.0 and earlier versions,...

CLSA-2026-1767864313 kernel: Fix of 46 CVEs

mm: hugetlb: fix UAF in hugetlbhandleuserfault CVE-2022-50630 - drm/amdkfd: fix potential kgdmem UAFs CVE-2023-53816 - net/mlx5e: Fix deadlock in tc route query code CVE-2023-53591 - PCI: Fix pcideviceispresent for VFs by checking PF CVE-2022-50636 - wifi: ath11k: fix monitor mode bringup crash...

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...

SUSE CVE-2022-50833

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: use hdev-workqueue when queuing hdev-cmd,ncmdtimer works syzbot is reporting attempt to schedule hdev-cmdwork work from systemwq WQ into hdev-workqueue WQ which is under draining operation 1, for commit c8efcc2589464ac...

SUSE CVE-2023-54164

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix isoconn related locking and validity issues sk-skstate indicates whether isopisk-conn is valid. Operations that check/update skstate and access conn should hold locksock, otherwise they can race. The order of...

SUSE CVE-2023-54210

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Avoid use-after-free in dbg for hciremoveadvmonitor KASAN reports that there's a use-after-free in hciremoveadvmonitor. Trawling through the disassembly, you can see that the complaint is from the access in...

Unity Linux 20.1060a Security Update: kernel (UTSA-2025-993151)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993151 advisory. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcildisc,serdev: check percpuinitrwsem failure syzbot is reporting NULL pointer...

EUVD-2023-60431

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Avoid use-after-free in dbg for hciremoveadvmonitor KASAN reports that there's a use-after-free in hciremoveadvmonitor. Trawling through the disassembly, you can see that the complaint is from the access in...

EUVD-2022-55865

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: use hdev-workqueue when queuing hdev-cmd,ncmdtimer works syzbot is reporting attempt to schedule hdev-cmdwork work from systemwq WQ into hdev-workqueue WQ which is under draining operation 1, for commit c8efcc2589464ac...

CVE-2023-54164

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix isoconn related locking and validity issues sk-skstate indicates whether isopisk-conn is valid. Operations that check/update skstate and access conn should hold locksock, otherwise they can race. The order of...

CVE-2023-54210

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Avoid use-after-free in dbg for hciremoveadvmonitor KASAN reports that there's a use-after-free in hciremoveadvmonitor. Trawling through the disassembly, you can see that the complaint is from the access in...

UBUNTU-CVE-2023-54210

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Avoid use-after-free in dbg for hciremoveadvmonitor KASAN reports that there's a use-after-free in hciremoveadvmonitor. Trawling through the disassembly, you can see that the complaint is from the access in...

CVE-2023-54210 Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_remove_adv_monitor()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Avoid use-after-free in dbg for hciremoveadvmonitor KASAN reports that there's a use-after-free in hciremoveadvmonitor. Trawling through the disassembly, you can see that the complaint is from the access in...

CVE-2023-54210

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Avoid use-after-free in dbg for hciremoveadvmonitor KASAN reports that there's a use-after-free in hciremoveadvmonitor. Trawling through the disassembly, you can see that the complaint is from the access in...

CVE-2022-50833 Bluetooth: use hdev->workqueue when queuing hdev->{cmd,ncmd}_timer works

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: use hdev-workqueue when queuing hdev-cmd,ncmdtimer works syzbot is reporting attempt to schedule hdev-cmdwork work from systemwq WQ into hdev-workqueue WQ which is under draining operation 1, for commit c8efcc2589464ac...

CVE-2023-54164 Bluetooth: ISO: fix iso_conn related locking and validity issues

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix isoconn related locking and validity issues sk-skstate indicates whether isopisk-conn is valid. Operations that check/update skstate and access conn should hold locksock, otherwise they can race. The order of...