CVE-2023-1017
Publication date 28 February 2023
Last updated 26 August 2025
Ubuntu priority
Description
An out-of-bounds write vulnerability exists in TPM2.0's Module Library allowing writing of a 2-byte data past the end of TPM2.0 command in the CryptParameterDecryption routine. An attacker who can successfully exploit this vulnerability can lead to denial of service (crashing the TPM chip/process or rendering it unusable) and/or arbitrary code execution in the TPM context.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| libtpms | ||
| 22.04 LTS jammy |
Fixed 0.9.3-0ubuntu1.22.04.1
|
|
| 20.04 LTS focal | Not in release | |
| 18.04 LTS bionic | Not in release | |
| 16.04 LTS xenial | Not in release | |
| 14.04 LTS trusty | Not in release |
Notes
Severity score breakdown
CVSS version: CVSS v3.0
Base score
7.8 · High
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
Related Ubuntu Security Notices (USN)
- USN-5933-1
- Libtpms vulnerabilities
- 7 March 2023