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High 8.8Published Aug 28, 2026
CVE-2026-80692Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks
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_acl/le_sync() callbacks There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that.
- CVSS
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:N/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 881559af5f5c545f6828e7c74d79813eb886d523 before a4de6fc95b2f36967fc247ae51cad2171194f7cd; 881559af5f5c545f6828e7c74d79813eb886d523 builds before 9a77f296aff4b2ca5f2928ab3a3220c82d8b4074; 881559af5f5c545f6828e7c74d79813eb886d523 builds before 2f5d635ad5906b0235bc0c870e8beba3116e1e98; d948e1ffa1d40240d5c81af6dcbcb87b39cb8d3c; 5dd0bd277a0a936708a33ecc447dce77a08cbde6; from 6.6.51 before 6.7; from 6.8.9 before 6.9 | CNA record |
References
- https://git.kernel.org/stable/c/a4de6fc95b2f36967fc247ae51cad2171194f7cd
- https://git.kernel.org/stable/c/9a77f296aff4b2ca5f2928ab3a3220c82d8b4074
- https://git.kernel.org/stable/c/2f5d635ad5906b0235bc0c870e8beba3116e1e98
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.