CVE-2026-53251

Bluetooth: ISO: Fix not releasing hdev reference on iso_conn_big_sync

published June 25, 2026

CVSS
—
EPSS
0%
Percentile
1.8
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: ISO: Fix not releasing hdev reference on iso_conn_big_sync

hci_get_route() returns a reference-counted hci_dev pointer via

hci_dev_hold(). The function exits normally or with an error without ever

releasing it.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00122 · 1.8th percentile
Published
2026-06-25T08:39Z
EPSS history
Timeline
  • 25 JUN 08:39Z
    Bluetooth: ISO: Fix not releasing hdev reference on iso_conn_big_sync
    cvelistv5