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CVE-2021-43400

Published: 04 November 2021

An issue was discovered in gatt-database.c in BlueZ 5.61. A use-after-free can occur when a client disconnects during D-Bus processing of a WriteValue call.

Priority

Medium

CVSS 3 base score: 9.1

Status

Package Release Status
bluez
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri)
Released (5.60-0ubuntu2.1)
Ubuntu 21.04 (Hirsute Hippo)
Released (5.56-0ubuntu4.3)
Ubuntu 20.04 LTS (Focal Fossa)
Released (5.53-0ubuntu3.4)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (5.48-0ubuntu3.6)
Ubuntu 16.04 ESM (Xenial Xerus) Needs triage

Ubuntu 14.04 ESM (Trusty Tahr) Ignored
(out of standard support)
Patches:
Upstream: https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=838c0dc7641e1c991c0f3027bf94bee4606012f8