CVE-2026-53251
Medium
Description
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedJun 25, 2026
First seenJun 25, 2026
Weakness typeCWE-772CWE-772
How to fix
Update
- linux linux_kernel6.12, 6.12.94, 6.18.36, 7.0.13 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.11.11 ≤ v < 6.12, 6.12.2 ≤ v < 6.12.94, 6.13 ≤ v < 6.18.36, 6.19 ≤ v < 7.0.13, 7.1 | 6.12, 6.12.94, 6.18.36, 7.0.13 |
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