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High 8.0Published Aug 15, 2026
CVE-2026-74528Bluetooth: hci_sync: hold conn in hci_past_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_past_sync() callback Avoids giving freed pointers to hci_conn_valid(), which kmalloc may have reused. Hold refcount to avoid that.
- CVSS
- 8.0 HIGH (v3.1, CNA)CVSS:3.1/AV:A/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
- Aug 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from d3413703d5f8b7d1e6f514f9440ed5da1bc30796 before e6792adef614b389141b142e30ee549e4a47dd7d; from d3413703d5f8b7d1e6f514f9440ed5da1bc30796 before abf9753edf3f88282c44a605f3945d8d4f8dd86c | CNA record |
References
- https://git.kernel.org/stable/c/e6792adef614b389141b142e30ee549e4a47dd7d
- https://git.kernel.org/stable/c/abf9753edf3f88282c44a605f3945d8d4f8dd86c
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.