CVE-2026-74528
Bluetooth: hci_sync: hold conn in hci_past_sync() callback
CVSS Score
8.0
EPSS Score
0.2%
EPSS Percentile
5th
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold conn in hci_past_sync() callback Avoids giving freed pointers to hci_conn_valid(), which kmalloc may have reused. Hold refcount to avoid that.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 15, 2026 |
| Last Updated | Aug 17, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
d3413703d5f8b7d1e6f514f9440ed5da1bc30796 < e6792adef614b389141b142e30ee549e4a47dd7d d3413703d5f8b7d1e6f514f9440ed5da1bc30796 < abf9753edf3f88282c44a605f3945d8d4f8dd86c
Linux / Linux
6.19