CVE-2022-32742
Publication date 27 July 2022
Last updated 18 August 2025
Ubuntu priority
Description
A flaw was found in Samba. Some SMB1 write requests were not correctly range-checked to ensure the client had sent enough data to fulfill the write, allowing server memory contents to be written into the file (or printer) instead of client-supplied data. The client cannot control the area of the server memory written to the file (or printer).
Mitigation
This issue can be mitigated by disabling SMB1, which is the default configuration in Samba 4.11 and above.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| samba | 26.04 LTS resolute |
Fixed 2:4.16.4+dfsg-2ubuntu1
|
| 25.10 questing |
Fixed 2:4.16.4+dfsg-2ubuntu1
|
|
| 24.04 LTS noble |
Fixed 2:4.16.4+dfsg-2ubuntu1
|
|
| 22.04 LTS jammy |
Fixed 2:4.15.9+dfsg-0ubuntu0.2
|
|
| 20.04 LTS focal |
Fixed 2:4.13.17~dfsg-0ubuntu1.20.04.1
|
|
| 18.04 LTS bionic |
Vulnerable
|
|
| 16.04 LTS xenial |
Needs evaluation
|
|
| 14.04 LTS trusty |
Needs evaluation
|
Notes
Severity score breakdown
CVSS version: CVSS v3.0
Base score
4.3 · Medium
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
References
Related Ubuntu Security Notices (USN)
- USN-5542-1
- Samba vulnerabilities
- 1 August 2022