Bluetooth: mgmt: fix locking in unpair_device/disconnect_sync (Linux Linux)

CVE-2026-68392
HIGH 7.8

En bref

Source
NVD
EPSS
EPSS 0.13 % · centile 3 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Received

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: mgmt: fix locking in unpair_device/disconnect_sync Dereferencing RCU-protected pointers outside critical sections is invalid and may lead to UAF. Take hdev->lock for hci_conn lookup and hci_abort_conn(). Don't use RCU to ensure the conn is fully initialized at this point.

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

Références européennes

Avis du CERT-FR

Produits affectés

ProduitVersions
Linux · Linuxaffected 7fe4d391e937c2f048a43ff4b421e677f10d83c0 < 74f3e6e21ebc6c418d348f8ce68aef6fe6d82c82 ; affected 249c88e7fb45b6b705040c5af4bd0d0f2bc9735c < 8bc83f9ef6789571f399ff631a2a14a12b6d8585 ; affected 227a0cdf4a028a73dc256d0f5144b4808d718893 < 579faba5ede6df6b7f36777c431dc8dcf9d272e7 ; affected 227a0cdf4a028a73dc256d0f5144b4808d718893 < ca58ad287bfc5b9d31a72ecb8650289df2b57250 ; affected 227a0cdf4a028a73dc256d0f5144b4808d718893 < b11511006f9e17000de3f4cadee451364f658ca3 ; affected 227a0cdf4a028a73dc256d0f5144b4808d718893 < 16cd66443957e4ad42155c6fec401012f600c6f8
Linux · Linuxaffected 6.11 ; unaffected 0 < 6.11 ; unaffected 6.6.148 ≤ 6.6.* ; unaffected 6.12.101 ≤ 6.12.* ; unaffected 6.18.42 ≤ 6.18.* ; unaffected 7.1.6 ≤ 7.1.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD