CVE-2021-20286

NameCVE-2021-20286
DescriptionA 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libnbd (PTS)bullseye1.6.1-1vulnerable
sid1.6.3-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libnbdsource(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)

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