CVE-2021-43400
Published: 4 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
Status
Package | Release | Status |
---|---|---|
bluez Launchpad, Ubuntu, Debian |
bionic |
Released
(5.48-0ubuntu3.6)
|
focal |
Released
(5.53-0ubuntu3.4)
|
|
hirsute |
Released
(5.56-0ubuntu4.3)
|
|
impish |
Released
(5.60-0ubuntu2.1)
|
|
jammy |
Not vulnerable
(5.62-0ubuntu1)
|
|
kinetic |
Not vulnerable
(5.62-0ubuntu1)
|
|
lunar |
Not vulnerable
(5.62-0ubuntu1)
|
|
trusty |
Ignored
(out of standard support)
|
|
upstream |
Needs triage
|
|
xenial |
Needed
|
|
Patches: upstream: https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=838c0dc7641e1c991c0f3027bf94bee4606012f8 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.1 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |