Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.11.11, < 6.12 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/23e8eb16820b866528fb300dc67fe3f67f00ef62Patch
- https://git.kernel.org/stable/c/33d677d2e3713d98012c3dbd4a9207f7d785b854Patch
- https://git.kernel.org/stable/c/4bbec25f47b930101294fd310c627c3f53e9661fPatch
- https://git.kernel.org/stable/c/5cbf290b79351971f20c7a533247e8d58a3f970cPatch
FAQ
What is CVE-2026-53251?
CVE-2026-53251 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 ...
How severe is CVE-2026-53251?
CVE-2026-53251 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-53251?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.