| Name | CVE-2021-43400 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3157-1, DLA-3879-1 |
| Debian Bugs | 998626 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| bluez (PTS) | jessie, jessie (lts) | 5.43-2+deb9u2~deb8u6 | vulnerable |
| stretch (security) | 5.43-2+deb9u5 | vulnerable |
| stretch (lts), stretch | 5.43-2+deb9u8 | vulnerable |
| buster, buster (lts) | 5.50-1.2~deb10u6 | fixed |
| buster (security) | 5.50-1.2~deb10u5 | fixed |
| bullseye | 5.55-3.1+deb11u1 | vulnerable |
| bullseye (security) | 5.55-3.1+deb11u2 | fixed |
| bookworm | 5.66-1+deb12u2 | fixed |
| bookworm (security) | 5.66-1+deb12u1 | fixed |
| sid, trixie | 5.79-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[stretch] - bluez <ignored> (invasive patch, requires post-stretch revamps)
Introduced by: https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=93b64d9ca8a2bb663e37904d4b2c702c58a36e4f (5.40)
Fixed by: https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=838c0dc7641e1c991c0f3027bf94bee4606012f8 (5.62)
[jessie] - bluez <ignored> (invasive patch, requires post-jessie revamps)