UBUNTU-CVE-2023-53520

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix hcisuspendsync crash If hciunregisterdev frees the hcidev object but hcisuspendnotifier may still be accessing it, it can cause the program to crash. Here's the call trace: 102152.653246 Call Trace: 102152.653254...

CVE-2023-53520

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix hcisuspendsync crash If hciunregisterdev frees the hcidev object but hcisuspendnotifier may still be accessing it, it can cause the program to crash. Here's the call trace: 102152.653246 Call Trace: 102152.653254...

CVE-2023-53520

The CVE-2023-53520 issue is in the Linux kernel Bluetooth subsystem (hci_suspend_notifier/hci_suspend_sync). The root cause is a race where hci_suspend_notifier may access an hci_dev object after hci_unregister_dev() frees it, causing a crash. The described fix: the patch maintains the reference ...

Bluetooth: hci_event: Ignore multiple conn complete events

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UBUNTU-CVE-2025-39889

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: l2cap: Check encryption key size on incoming connection This is required for passing GAP/SEC/SEM/BI-04-C PTS test case: Security Mode 4 Level 4, Responder - Invalid Encryption Key Size - 128 bit This tests the security...

CVE-2022-50419

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisysfs: Fix attempting to call deviceadd multiple times deviceadd shall not be called multiple times as stated in its documentation: 'Do not call this routine or deviceregister more than once for any device structure...

SUSE CVE-2022-50339

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: avoid hcidevtestandsetflag in mgmtinithdev syzbot is again reporting attempt to cancel uninitialized work at mgmtindexremoved 1, for setting of HCIMGMT flag from mgmtinithdev from hcimgmtcmd from hcisocksendmsg can rac...

Linux Distros Unpatched Vulnerability : CVE-2023-53252

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: Bluetooth: use RCU for hciconnparams and iterate safely in hcisync hciupdateacceptlistsync...

PT-2025-38008

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains a flaw related to Bluetooth functionality. Specifically, a race condition can occur within the mgmt init hdev function due to the lack of serialization via hc...

SUSE CVE-2023-53252

In the Linux kernel, the following vulnerability has 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 in the loop body, without holding hdev lock...

CVE-2022-50247

CVE-2022-50247 concerns a Linux kernel USB xHCI MTK driver issue: if wakeup IRQ setup fails, the shared HCD is leaked because usb_put_hcd() may not NULL the @shared_hcd before decreasing usage. The patch (referenced in the description) fixes leakage by ensuring shared_hcd is NULLed prior to decre...

usb: xhci: Fix isochronous Ring Underrun/Overrun event handling

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CVE-2025-38593

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix double free in 'hcidiscoveryfilterclear' Function 'hcidiscoveryfilterclear' frees 'uuids' array and then sets it to NULL. There is a tiny chance of the following race: 'hcicmdsyncwork'...

RHEL 8 : kernel-rt (RHSA-2025:13961)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:13961 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

Linux Distros Unpatched Vulnerability : CVE-2024-35978

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix memory leak in hcireqsynccomplete In 'hcireqsynccomplete', always free the...

Linux Distros Unpatched Vulnerability : CVE-2023-53046

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix race condition in hcicmdsyncclear There is a potential race condition in...

Linux Distros Unpatched Vulnerability : CVE-2022-50166

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: When HCI work queue is drained, only queue chained work The HCI command, event, and data packet processing workqueue is drained to avoid deadlock in...

Linux Distros Unpatched Vulnerability : CVE-2021-47180

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NFC: nci: fix memory leak in nciallocatedevice nfcmrvldisconnect fails to free the hcidev field in struct ncidev. Fix this by freeing hcidev in ncifreedevice...

CVE-2025-38128 Bluetooth: MGMT: reject malformed HCI_CMD_SYNC commands

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: reject malformed HCICMDSYNC commands In 'mgmthcicmdsync', check whether the size of parameters passed in 'struct mgmtcphcicmdsync' matches the total size of the data i.e. 'sizeofstruct mgmtcphcicmdsync' plus...

kernel: Bluetooth: Fix use after free in hci_send_acl

A vulnerability was found in the Linux kernel's Bluetooth subsystem in the hcidisconnphylinkcompleteevt function. Improper cleanup and reference handling can lead to a connection object, hcon, being freed and then later accessed during a subsequent function call. This issue can lead to a...