CVE Watch3 ago 2026

CVE-2026-53364

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_conn: Fix memory leak in hci_le_big_terminate() hci_le_

CVSS

5.5

Medio

EPSS

0.1%

KEV

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Exploit Today

0-100

Publicado: 13 jul 2026 · Última mod.: 3 ago 2026 · CWE-401

EPSS · 30d

0.1%EPSS · 30 días0.2%

2026-10-052026-11-02

Descripción técnica

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_conn: Fix memory leak in hci_le_big_terminate() hci_le_big_terminate() allocates iso_list_data via kzalloc_obj but returns 0 without freeing it when neither pa_sync_term nor big_sync_term flags are set after evaluating the PA and BIG sync connection state. This early-return path was introduced when hci_le_big_terminate() was refactored to take struct hci_conn instead of raw u8 parameters, adding PA/BIG flag evaluation logic. The existing kfree() on hci_cmd_sync_queue failure does not cover this path.

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