CVE-2025-40318

Description

In the Linux kernel, the following vulnerability has been resolved:Bluetooth: hci_sync: fix race in hci_cmd_sync_dequeue_oncehci_cmd_sync_dequeue_once() does lookup and then cancelthe entry under two separate lock sections. Meanwhile,hci_cmd_sync_work() can also delete the same entry,leading to double list_del() and UAF.Fix this by holding cmd_sync_work_lock across bothlookup and cancel, so that the entry cannot be removedconcurrently.

Risk Information

Base Score

7.0

MODERATE

Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Score

Exploitation Probability

0.039

Associated Vulnerability

No records found

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234