PT-2026-52304

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Bluetooth L2CAP implementation where the l2cap sig channel function in net/bluetooth/l2cap core.c accepts BR/EDR signaling packets up to the channel MTU without...

Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 kernel was updated to fix various security issues The following security issues were fixed: CVE-2025-10263: arm64: Add workaround for Cortex-A76 erratum 1286807 bsc1266290. CVE-2025-40253: s390/ctcm: Fix double-kfree bsc1255084. CVE-2025-68822: Input: alps - fix...

CVE-2026-5068

A remote, unauthenticated BLE peer can trigger a 2-byte out-of-bounds write in the Bluetooth host during L2CAP LE CoC SDU reassembly. When the application enables segmentation via chanops.allocbuf and the chosen RX pool has a userdatasize smaller than 2 bytes, the segmentation counter stored in t...

CVE-2026-45834

A flaw was found in the Linux kernel's Bluetooth L2CAP Logical Link Control and Adaptation Protocol implementation. A missing null pointer guard in the l2capsockstatechangecb function can lead to a null pointer dereference. This vulnerability could allow an attacker to cause a system crash,...

CVE-2026-45836

A flaw was found in the Linux kernel's Bluetooth L2CAP subsystem. This vulnerability, a null-pointer dereference, occurs due to a missing NULL guard in the l2capsockgetsndtimeocb function. A local attacker could exploit this flaw to trigger a system crash, leading to a Denial of Service DoS...

SUSE CVE-2026-45835

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsocknewconnectioncb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb...

AZL-88388 CVE-2026-45836 affecting package kernel for versions less than 6.6.141.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsockgetsndtimeocb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb...

AZL-88382 CVE-2026-45835 affecting package kernel for versions less than 6.6.141.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsocknewconnectioncb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb...

AZL-88385 CVE-2026-45834 affecting package kernel for versions less than 6.6.141.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsockstatechangecb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb...

CVE-2026-45835

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsocknewconnectioncb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb...

CVE-2026-45836

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsockgetsndtimeocb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb...

UBUNTU-CVE-2026-45834

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsockstatechangecb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb...

CVE-2026-45836

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsockgetsndtimeocb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb...

CVE-2026-45836

The CVE-2026-45836 vulnerability affects the Linux kernel Bluetooth L2CAP code and stems from a missing NULL guard in l2cap_sock_get_sndtimeo_cb(), which can cause a null pointer dereference. The issue is resolved by adding the same NULL guard already present in l2cap_sock_resume_cb() and l2cap_s...

CVE-2026-45834 Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_change_cb()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsockstatechangecb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb...

CVE-2026-45834: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsockstatechangecb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb...

CVE-2026-45835: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsocknewconnectioncb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a lack of null pointer checking in the l2capsockgetsndtimeocb function within the Bluetooth L2CAP...

OESA-2026-2419 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Validate L2CAPINFORSP payload length before access l2capinformationrsp checks that cmdlen covers the fixed l2capinforsp header type + result, 4...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: A use-after-free issue was addressed in l2capunregisteruser. After the commit ab4eedb790ca “Bluetooth: L2CAP: Fix corrupted list in hcichandel”, l2capconndel uses conn-lock to protect access to conn-users...