CVE-2021-3623
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
Description
A flaw was found in libtpms. The flaw can be triggered by specially-crafted TPM 2 command packets containing illegal values and may lead to an out-of-bounds access when the volatile state of the TPM 2 is marshalled/written or unmarshalled/read. The highest threat from this vulnerability is to system availability.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-3623
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-3623.html
Vendor advisory: arch — https://security.archlinux.org/ASA-202107-9
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 0.8.4-1 | |
| sles | affected | | |
| debian | bookworm | fixed | 0.9.1-1 |
| debian | forky | fixed | 0.9.1-1 |
| debian | sid | fixed | 0.9.1-1 |
| debian | trixie | fixed | 0.9.1-1 |
References
Verify integrity in audit chain (admin only). AS-IS.