CVE-2026-80764

A flaw was found in the Linux kernel's Bluetooth subsystem. A local user could exploit a use-after-free vulnerability in the hcievent component. This occurs when the hciccreset function clears Bluetooth Low Energy LE lists without proper locking, allowing a debugfs reader to access freed memory...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46056)

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...

Astra Linux – Vulnerability in Linux 6.1

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

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcievent: Fixed an UAF Use-After-Free issue in the LE list during reset operations. The hciccreset function clears the LE accept and resolve lists without acquiring hdev-lock. Other command-complete handlers update...

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...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcievent: fixed a potential UAF in SSP passkey handlers The hciconn lookup and field access must be protected by the hdev lock in hciuserpasskeynotifyevt and hcikeypressnotifyevt. Otherwise, the connection may be...

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...

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...

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-2026-80764

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...

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...

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...

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 Bluetooth: hci_event: fix potential UAF in SSP passkey handlers

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...