Description
tpm2-tools versions before 1.1.1 are vulnerable to a password leak due to transmitting password in plaintext from client to server when generating HMAC.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| TPM 2.0 Tools | tpm2-tools | before 1.1.1 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | tpm2-tools | 2.1.0-1 | — |
| Debian 13 | tpm2-tools | 2.1.0-1 | — |
| Debian 12 | tpm2-tools | 2.1.0-1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | tpm2.0-tools | 5.1.1-3.2 | openSUSE-SU-2024:11471-1 |
Advisories 1
- openSUSE-SU-2024:11471-1 tpm2.0-tools-5.1.1-3.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026