Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2021-20286

Published: 15 March 2021

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.

Priority

Medium

Cvss 3 Severity Score

2.7

Score breakdown

Status

Package Release Status
libnbd
Launchpad, Ubuntu, Debian
groovy Ignored
(end of life)
impish Not vulnerable
(1.6.2-1)
bionic Does not exist

focal Needs triage

hirsute Not vulnerable
(1.6.2-1)
trusty Does not exist

upstream
Released (1.6.2-1)
xenial Does not exist

jammy Not vulnerable
(1.6.2-1)
kinetic Not vulnerable
(1.6.2-1)
lunar Not vulnerable
(1.6.2-1)
mantic Not vulnerable
(1.6.2-1)
Patches:
upstream: https://gitlab.com/nbdkit/libnbd/-/commit/2216190ecbbd853648df6a3280c17b345b0907a0 (v1.6.2)
upstream: https://gitlab.com/nbdkit/libnbd/-/commit/fb4440de9cc76e9c14bd3ddf3333e78621f40ad0 (v1.7.3)

Severity score breakdown

Parameter Value
Base score 2.7
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L