ROS-20260924-73-0076

The vulnerability of the hcievent component in the Linux operating system’s kernel is related to the use of memory after it is freed. Exploiting this vulnerability can allow a remote attacker to gain access to confidential data, compromise its integrity, and cause service failures...

kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers

A flaw was found in the Linux kernel's Bluetooth subsystem. This vulnerability, a Use-After-Free UAF, exists within the Secure Simple Pairing SSP passkey handlers. It occurs when hciconn lookup and field access are performed without proper locking, allowing a connection to be freed concurrently...

Astra Linux – Vulnerability in Linux

In the Linux kernel before version 5.12.4, the net/bluetooth/hcievent.c file contains a use-after-free issue when destroying an hcichan, specifically related to CID-5c4c8c954409. This issue results in the writing of an arbitrary value...

kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers

A flaw was found in the Linux kernel's Bluetooth subsystem. This vulnerability, a Use-After-Free UAF, exists within the Secure Simple Pairing SSP passkey handlers. It occurs when hciconn lookup and field access are performed without proper locking, allowing a connection to be freed concurrently...

CVE-2026-80764

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: fix LE list UAF on reset hciccreset clears the LE accept and resolving lists without taking hdev-lock. Other command-complete handlers serialize updates to these lists with that lock, and the debugfs readers...

AZL-99575 CVE-2026-80764 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: fix LE list UAF on reset hciccreset clears the LE accept and resolving lists without taking hdev-lock. Other command-complete handlers serialize updates to these lists with that lock, and the debugfs readers...

CVE-2026-80763: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: validate LE Set CIG Parameters response The Command Complete dispatch validates only the fixed part of the LE Set CIG Parameters response. After that part is pulled from the skb, hcicclesetcigparams trusts...

CVE-2026-80764: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: fix LE list UAF on reset hciccreset clears the LE accept and resolving lists without taking hdev-lock. Other command-complete handlers serialize updates to these lists with that lock, and the debugfs readers...

Linux Distros Unpatched Vulnerability : CVE-2026-80763

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: hcievent: validate LE Set CIG Parameters response The Command Complete dispatch validates only the fixed part of the LE Set CIG Parameters response...

Oracle Linux 9 : kernel (ELSA-2026-24381)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-24381 advisory. - net/sched: fix pedit partial COW leading to page cache corruption Ivan Vecera RHEL-177392 CVE-2026-46331 - scsi: qla2xxx: Completely fix fcport doub...

Linux Distros Unpatched Vulnerability : CVE-2026-46138

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: hcievent: Fix OOB read and infinite loop in hcilecreatebigcompleteevt hcilecreatebigcompleteevt iterates over BTBOUND connections for a BIG handle...

AZL-88541 CVE-2026-46056 affecting package kernel for versions less than 6.6.141.1-1

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...

CVE-2026-46056: Use After Free

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...

CVE-2026-43018

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

CVE-2026-31771: Undefined Security Weakness

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...

The vulnerability of the hci_event component in the Linux operating system’s kernel allows a perpetrator to gain access to confidential data, compromise its integrity, and cause service failures.

The vulnerability of the hcievent component in the Linux operating system’s kernel is related to the use of memory after it is freed. Exploiting this vulnerability can allow a remote attacker to gain access to confidential data, compromise its integrity, and cause service failures...

Oracle Linux 8 : kernel (ELSA-2026-2720)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-2720 advisory. - Bluetooth: hcievent: Fix checking conn for leconncompleteevt David Marlin RHEL-137111 CVE-2023-53762 - Bluetooth: hcisync: Fix UAF in...

Azure Linux 3.0 Security Update: kernel (CVE-2024-56654)

"The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-56654 advisory. - In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fix using...

EUVD-2025-201644

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,...

CVE-2025-40301 Bluetooth: hci_event: validate skb length for unknown CC opcode

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,...