Your submission was sent successfully! Close

Thank you for contacting us. A member of our team will be in touch shortly. 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-2022-26496

Publication date 6 March 2022

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

In nbd-server in nbd before 3.24, there is a stack-based buffer overflow. An attacker can cause a buffer overflow in the parsing of the name field by sending a crafted NBD_OPT_INFO or NBD_OPT_GO message with an large value as the length of the name.

Status

Package Ubuntu Release Status
nbd 24.10 oracular
Fixed 1:3.23-3ubuntu1
24.04 LTS noble
Fixed 1:3.23-3ubuntu1
23.10 mantic
Fixed 1:3.23-3ubuntu1
23.04 lunar
Fixed 1:3.23-3ubuntu1
22.10 kinetic
Fixed 1:3.23-3ubuntu1
22.04 LTS jammy
Fixed 1:3.23-3ubuntu1
21.10 impish
Fixed 1:3.21-1ubuntu0.1
20.04 LTS focal
Fixed 1:3.20-1ubuntu0.1
18.04 LTS bionic
Fixed 1:3.16.2-1ubuntu0.2
16.04 LTS xenial
Vulnerable
14.04 LTS trusty
Vulnerable

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
nbd

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H