CVE-2020-12140

A buffer overflow in os/net/mac/ble/ble-l2cap.c in the BLE stack in Contiki-NG 4.4 and earlier allows an attacker to execute arbitrary code via malicious L2CAP frames...

Linux Distros Unpatched Vulnerability : CVE-2023-54214

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: L2CAP: Fix potential user-after-free This fixes all instances of which requires to allocate a buffer calling allocskb which may release the chan lock...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992822)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992822 advisory. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free caused by l2capreassemblesdu Fix the race condition between...

CVE-2023-54214 Bluetooth: L2CAP: Fix potential user-after-free

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix potential user-after-free This fixes all instances of which requires to allocate a buffer calling allocskb which may release the chan lock and reacquire later which makes it possible that the chan is...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992213)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992213 advisory. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free Fix potential use-after-free in l2caplecommandrej. Tenable h...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992512)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992512 advisory. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix user-after-free This uses l2capchanholdunlesszero after calling...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992272)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992272 advisory. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free caused by l2capreassemblesdu Fix the race condition between...

CLSA-2025-1766617167 kernel: Fix of 27 CVEs

xfrm: Duplicate SPI Handling CVE-2025-39965 - xfrm: state: use atomicincnotzero to increment refcount - padata: Fix pd UAF once and for all CVE-2025-38584 - padata: Remove broken queue flushing CVE-2023-52854 - padata: ensure padatadoserial runs on the correct CPU - Bluetooth: L2CAP: Fix...

kernel: Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix "bad unlock balance" in l2capdisconnectrsp conn-chanlock isn't acquired before l2capgetchanbyscid, if l2capgetchanbyscid returns NULL, then 'bad unlock balance' is triggered...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available f...

RHEL 7 : kernel (RHSA-2025:23947)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:23947 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ALSA: usb-audio: Validate UAC...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabilit...

kernel: Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix "bad unlock balance" in l2capdisconnectrsp conn-chanlock isn't acquired before l2capgetchanbyscid, if l2capgetchanbyscid returns NULL, then 'bad unlock balance' is triggered...

kernel: Bluetooth: L2CAP: Fix use-after-free

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free Fix potential use-after-free in l2caplecommandrej...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

RHEL 8 : kernel (RHSA-2025:23445)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:23445 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ALSA: usb-audio: ALSA USB Aud...

CVE-2025-12035

An integer overflow condition exists in Bluetooth Host stack, within the btbraclrecv routine a critical path for processing inbound BR/EDR L2CAP traffic...

CVE-2025-12035

An integer overflow condition exists in Bluetooth Host stack, within the btbraclrecv routine a critical path for processing inbound BR/EDR L2CAP traffic...

CVE-2025-12035 Bluetooth: Integer Overflow in Bluetooth Classic (BR/EDR) L2CAP

An integer overflow condition exists in Bluetooth Host stack, within the btbraclrecv routine a critical path for processing inbound BR/EDR L2CAP traffic...

CVE-2025-12035 Bluetooth: Integer Overflow in Bluetooth Classic (BR/EDR) L2CAP

An integer overflow condition exists in Bluetooth Host stack, within the btbraclrecv routine a critical path for processing inbound BR/EDR L2CAP traffic...