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 |