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High 7.8Published Aug 15, 2026
CVE-2026-74529Bluetooth: hci_sync: hold conn in hci_connect_pa_sync() callback
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 16, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 6d0417e4e1cf66fd917f06f0454958362714ef7d before 68ffe4265775ed9e09e18e9a3b388740e25257bf; from 6d0417e4e1cf66fd917f06f0454958362714ef7d before c53c70ec289ee12f20c4f1b2fbfd151762c01f67; from 6d0417e4e1cf66fd917f06f0454958362714ef7d before 44fc74069d8988f2825246f9401218e29de2c0ab; eb8b860e87b296bd1874c79a668081efd00f9754; 94bf6380e936339a700c0b3171a49baf512aa70b; from 6.12.28 before 6.13; from 6.14.6 before 6.15 | CNA record |
References
- https://git.kernel.org/stable/c/68ffe4265775ed9e09e18e9a3b388740e25257bf
- https://git.kernel.org/stable/c/c53c70ec289ee12f20c4f1b2fbfd151762c01f67
- https://git.kernel.org/stable/c/44fc74069d8988f2825246f9401218e29de2c0ab
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.