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CVE-2026-64471

Bluetooth: btusb: fix use-after-free on registration failure PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: fix use-after-free on registration failure Make sure to release the sibling interfaces in case controller registration fails to avoid use-after-free and double-free when they are eventually disconnected. This issue was reported by Sashiko while reviewing a fix for a wakeup source leak in the btusb probe errors paths.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 9bfa35fe422c74882e27cc54450a5f76c96aad68 before e09ac7d0c6859a360bf36e7104aef03f88184e0b; affected 9bfa35fe422c74882e27cc54450a5f76c96aad68 before 468fcdfaeb937163dd250773a9fed17ab1fa203c; affected 9bfa35fe422c74882e27cc54450a5f76c96aad68 before 1ce5012944afaddbda939ec6bae9800fce84abbc; affected 9bfa35fe422c74882e27cc54450a5f76c96aad68 before e6313b800da61a26c2fdd5eba0105e197c0ab3bc; affected 9bfa35fe422c74882e27cc54450a5f76c96aad68 before 14e02f1449ba425a44dedbec9a21efafb056e09f; affected 9bfa35fe422c74882e27cc54450a5f76c96aad68 before 8db0ce3de78367f61c2970c0f16d9adee8830a23; affected 9bfa35fe422c74882e27cc54450a5f76c96aad68 before da7d7758fe884b256ddc9fef562e5ddef7952383; affected 9bfa35fe422c74882e27cc54450a5f76c96aad68 before eedc6867ebad73edbfaf9a0a65fbef7115cc4753
Linux / Linuxaffected 2.6.27; unaffected 0 before 2.6.27; unaffected 5.10.261 through 5.10.*; unaffected 5.15.212 through 5.15.*; unaffected 6.1.178 through 6.1.*; unaffected 6.6.145 through 6.6.*; unaffected 6.12.96 through 6.12.*; unaffected 6.18.39 through 6.18.*; unaffected 7.1.4 through 7.1.*; unaffected 7.2 through *

CWE

No CWE identifiers supplied.

References