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CVE-2026-80692Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks
- 8.8HighCVSS base score
- 0.26%Exploitation in 30 daysEPSS · top 83% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By Linux
- 2 days later
· 2 days later
Published
- 54 days later
· 54 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Received | 3.1 | High8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.26% · top 83% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
- affected d948e1ffa1d40240d5c81af6dcbcb87b39cb8d3c – < f0a544ef6e38e4063d0ed72ad83d6bf0f4e70805
- affected 881559af5f5c545f6828e7c74d79813eb886d523 – < 301a4e2e89313dee10f0e8cb084daedbbe4a3dce
- affected 881559af5f5c545f6828e7c74d79813eb886d523 – < a4de6fc95b2f36967fc247ae51cad2171194f7cd
- affected 881559af5f5c545f6828e7c74d79813eb886d523 – < 9a77f296aff4b2ca5f2928ab3a3220c82d8b4074
- affected 881559af5f5c545f6828e7c74d79813eb886d523 – < 2f5d635ad5906b0235bc0c870e8beba3116e1e98
- affected 5dd0bd277a0a936708a33ecc447dce77a08cbde6
- affected 6.6.51 – < 6.6.160
- affected 6.8.9 – < 6.9
- affected 6.9
- unaffected < 6.9
- unaffected 6.6.160 – ≤ 6.6.*
- unaffected 6.12.114 – ≤ 6.12.*
- unaffected 6.18.57 – ≤ 6.18.*
- unaffected 7.1.8 – ≤ 7.1.*
- unaffected 7.2 – ≤ *
References
References5
- https://git.kernel.org/stable/c/f0a544ef6e38e4063d0ed72ad83d6bf0f4e70805 (opens in a new tab)
- https://git.kernel.org/stable/c/301a4e2e89313dee10f0e8cb084daedbbe4a3dce (opens in a new tab)
- https://git.kernel.org/stable/c/a4de6fc95b2f36967fc247ae51cad2171194f7cd (opens in a new tab)
- https://git.kernel.org/stable/c/9a77f296aff4b2ca5f2928ab3a3220c82d8b4074 (opens in a new tab)
- https://git.kernel.org/stable/c/2f5d635ad5906b0235bc0c870e8beba3116e1e98 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-67427 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-80692)Record last updated .