Bluetooth: hci_conn: hold conn reference in abort_conn_sync() (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.25 % · percentile 17 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Received
Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_conn: hold conn reference in abort_conn_sync() There is theoretical UAF if the conn is freed while the hci_sync task is running. Hold refcount to avoid that.
References
- https://git.kernel.org/stable/c/64d1645f26aa49b5a86ba2fccd0bb6749ea725a6
- https://git.kernel.org/stable/c/963fb4b8e7d1ab07b4ae45bf15d41e667c88caca
- https://git.kernel.org/stable/c/e8f9fef362bab431d95371d3406bc720350290c3
- https://git.kernel.org/stable/c/fa812cfa81aa3d4a7b6ce8277979af57b3f79712
- https://git.kernel.org/stable/c/5761d003daa987ac81463f570713ce9c9dd204e5
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | Linux |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary) |
European references
- ENISA EUVD · EUVD-2026-59724
- GCVE · GCVE-0-2026-74531
CERT-FR advisories
- CERTFR-2026-AVI-1286 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1232 — Multiples vulnérabilités dans le noyau Linux de Debian LTS · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1090 — Multiples vulnérabilités dans le noyau Linux de Debian · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 249c88e7fb45b6b705040c5af4bd0d0f2bc9735c < 64d1645f26aa49b5a86ba2fccd0bb6749ea725a6 ; affected 227a0cdf4a028a73dc256d0f5144b4808d718893 < 963fb4b8e7d1ab07b4ae45bf15d41e667c88caca ; affected 227a0cdf4a028a73dc256d0f5144b4808d718893 < e8f9fef362bab431d95371d3406bc720350290c3 ; affected 227a0cdf4a028a73dc256d0f5144b4808d718893 < fa812cfa81aa3d4a7b6ce8277979af57b3f79712 ; affected 227a0cdf4a028a73dc256d0f5144b4808d718893 < 5761d003daa987ac81463f570713ce9c9dd204e5 ; affected 7fe4d391e937c2f048a43ff4b421e677f10d83c0 |
| Linux · Linux | affected 6.11 ; unaffected 0 < 6.11 ; unaffected 6.6.151 ≤ 6.6.* ; unaffected 6.12.103 ≤ 6.12.* ; unaffected 6.18.44 ≤ 6.18.* ; unaffected 7.1.8 ≤ 7.1.* |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |