| Name | CVE-2021-33034 |
| Description | In the Linux kernel before 5.12.4, net/bluetooth/hci_event.c has a use-after-free when destroying an hci_chan, aka CID-5c4c8c954409. This leads to writing an arbitrary value. |
| 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-2689-1, DLA-2690-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| linux (PTS) | bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.237-1 | fixed |
| bookworm | 6.1.148-1 | fixed |
| bookworm (security) | 6.1.147-1 | fixed |
| trixie | 6.12.43-1 | fixed |
| trixie (security) | 6.12.41-1 | fixed |
| forky | 6.16.3-1 | fixed |
| sid | 6.16.7-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://git.kernel.org/linus/5c4c8c9544099bb9043a10a5318130a943e32fc3