DescriptionA flaw was found in libnbd, due to a malicious Network Block Device (NBD), a protocol for accessing Block Devices such as hard disks over a Network. This issue may allow a malicious NBD server to cause a Denial of Service.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1055170

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libnbd (PTS)bullseye1.6.1-1fixed
sid, trixie1.20.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libnbdsourcebullseye(not affected)
libnbdsourcebookworm(not affected)


[bookworm] - libnbd <not-affected> (Vulnerable code not present)
[bullseye] - libnbd <not-affected> (Vulnerable code not present)
Introduced by: (v1.17.4)
Fixed by: (master)
Fixed by: (stable-1.18)

Search for package or bug name: Reporting problems