| Name | CVE-2021-20286 |
| Description | A flaw was found in libnbd 1.7.3. An assertion failure in nbd_unlocked_opt_go in ilb/opt.c may lead to denial of service. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libnbd (PTS) | bullseye | 1.6.1-1 | vulnerable |
| bookworm | 1.14.2-1 | fixed |
| trixie | 1.18.2-1 | fixed |
| sid | 1.20.0-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libnbd | source | (unstable) | 1.6.2-1 | | | |
Notes
[bullseye] - libnbd <no-dsa> (Minor issue)
https://listman.redhat.com/archives/libguestfs/2021-March/msg00092.html
Fixed by: https://gitlab.com/nbdkit/libnbd/-/commit/2216190ecbbd853648df6a3280c17b345b0907a0 (v1.6.2)
Fixed by: https://gitlab.com/nbdkit/libnbd/-/commit/fb4440de9cc76e9c14bd3ddf3333e78621f40ad0 (v1.7.3)