CVE-2026-74529
Bluetooth: hci_sync: hold conn in hci_connect_pa_sync() callback
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: hold conn in hci_connect_pa_sync() callback There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 15, 2026 |
| Last Updated | Oct 21, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/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
eb8b860e87b296bd1874c79a668081efd00f9754 < 40ef39f1d755ff8d54423345c73d187e77854d0b 6d0417e4e1cf66fd917f06f0454958362714ef7d < 68ffe4265775ed9e09e18e9a3b388740e25257bf 6d0417e4e1cf66fd917f06f0454958362714ef7d < c53c70ec289ee12f20c4f1b2fbfd151762c01f67 6d0417e4e1cf66fd917f06f0454958362714ef7d < 44fc74069d8988f2825246f9401218e29de2c0ab 94bf6380e936339a700c0b3171a49baf512aa70b 6.12.28 < 6.12.114 6.14.6 < 6.15
Linux / Linux
6.15
References
git.kernel.org: https://git.kernel.org/stable/c/40ef39f1d755ff8d54423345c73d187e77854d0b git.kernel.org: https://git.kernel.org/stable/c/68ffe4265775ed9e09e18e9a3b388740e25257bf git.kernel.org: https://git.kernel.org/stable/c/c53c70ec289ee12f20c4f1b2fbfd151762c01f67 git.kernel.org: https://git.kernel.org/stable/c/44fc74069d8988f2825246f9401218e29de2c0ab