CVE-2022-26496
Publication date 6 March 2022
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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 | 24.04 LTS noble |
Fixed 1:3.23-3ubuntu1
|
22.04 LTS jammy |
Fixed 1:3.23-3ubuntu1
|
|
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
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 |
References
Related Ubuntu Security Notices (USN)
- USN-5323-1
- NBD vulnerabilities
- 14 March 2022