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
NISTNIST
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
mitreCNA
---
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 36%
VendorProductVersion
bluezbluez
5.61
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
bluez
bullseye
vulnerable
stretch
ignored
bullseye (security)
5.55-3.1+deb11u2
fixed
bookworm
5.66-1+deb12u2
fixed
bookworm (security)
5.66-1+deb12u1
fixed
sid
5.77-1
fixed
trixie
5.77-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
bluez
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
Fixed 5.60-0ubuntu2.1
released
hirsute
Fixed 5.56-0ubuntu4.3
released
focal
Fixed 5.53-0ubuntu3.4
released
bionic
Fixed 5.48-0ubuntu3.6
released
xenial
needed
trusty
ignored
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