Description
A flaw was found in the libtpms code that may cause access beyond the boundary of internal buffers. The vulnerability is triggered by specially-crafted TPM2 command packets that then trigger the issue when the state of the TPM2's volatile state is written. The highest threat from this vulnerability is to system availability. This issue affects libtpms versions before 0.8.5, before 0.7.9 and before 0.6.6.
References (1)
Core 1
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1998588
Scores
CVSS v3
6.5
EPSS
0.0019
EPSS Percentile
40.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-119
Status
published
Products (3)
fedoraproject/fedora
34
libtpms_project/libtpms
0.6.0 - 0.6.6
redhat/enterprise_linux
8.0 (2 CPE variants)
Published
Oct 19, 2021
Tracked Since
Feb 18, 2026