CVE-2021-43400

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.1 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 75.03%
Affected Products (NVD)
VendorProductVersion
bluezbluez
5.61
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
bluez
bookworm
5.66-1+deb12u2
fixed
bookworm (security)
5.66-1+deb12u1
fixed
bullseye
vulnerable
bullseye (security)
5.55-3.1+deb11u2
fixed
sid
5.77-1
fixed
stretch
ignored
trixie
5.77-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
bluez
bionic
Fixed 5.48-0ubuntu3.6
released
focal
Fixed 5.53-0ubuntu3.4
released
hirsute
Fixed 5.56-0ubuntu4.3
released
impish
Fixed 5.60-0ubuntu2.1
released
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
oracular
not-affected
plucky
not-affected
questing
not-affected
resolute
not-affected
trusty
ignored
xenial
needed
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
bluez
suse enterprise desktop 15 SP3
5.55-150300.3.14.1
fixed
suse enterprise sap 15
5.48-150000.5.41.1
fixed
suse enterprise sap 15 SP1
5.48-150000.5.41.1
fixed
suse enterprise sap 15 SP2
5.48-150200.13.17.1
fixed
suse enterprise sap 15 SP3
5.55-150300.3.14.1
fixed
suse enterprise server 15
5.48-150000.5.41.1
fixed
suse enterprise server 15 SP1
5.48-150000.5.41.1
fixed
suse enterprise server 15 SP2
5.48-150200.13.17.1
fixed
suse enterprise server 15 SP3
5.55-150300.3.14.1
fixed
bluez-deprecated
suse enterprise desktop 15 SP3
5.55-150300.3.14.1
fixed
suse enterprise sap 15 SP3
5.55-150300.3.14.1
fixed
suse enterprise server 15 SP3
5.55-150300.3.14.1
fixed
bluez-devel
suse enterprise sap 15
5.48-150000.5.41.1
fixed
suse enterprise sap 15 SP1
5.48-150000.5.41.1
fixed
suse enterprise sap 15 SP2
5.48-150200.13.17.1
fixed
suse enterprise server 15
5.48-150000.5.41.1
fixed
suse enterprise server 15 SP1
5.48-150000.5.41.1
fixed
suse enterprise server 15 SP2
5.48-150200.13.17.1
fixed
libbluetooth3
suse enterprise desktop 15 SP3
5.55-150300.3.14.1
fixed
suse enterprise sap 15
5.48-150000.5.41.1
fixed
suse enterprise sap 15 SP1
5.48-150000.5.41.1
fixed
suse enterprise sap 15 SP2
5.48-150200.13.17.1
fixed
suse enterprise sap 15 SP3
5.55-150300.3.14.1
fixed
suse enterprise server 15
5.48-150000.5.41.1
fixed
suse enterprise server 15 SP1
5.48-150000.5.41.1
fixed
suse enterprise server 15 SP2
5.48-150200.13.17.1
fixed
suse enterprise server 15 SP3
5.55-150300.3.14.1
fixed
Common Weakness Enumeration
References
https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=838c0dc7641e1c991c0f3027bf94bee4606012f8
https://lists.debian.org/debian-lts-announce/2022/10/msg00026.html
https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=838c0dc7641e1c991c0f3027bf94bee4606012f8
https://lists.debian.org/debian-lts-announce/2022/10/msg00026.html
https://lists.debian.org/debian-lts-announce/2024/09/msg00022.html