CVEvulnerability
CVE-2021-3623
6.1 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-03-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
- CVSS 2.0 ([email protected])
- 3.6 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:P
- Weaknesses
- CWE-787
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.
Affected configurations
• libtpms project libtpms (< 0.6.5)
• libtpms project libtpms (>= 0.7.0 < 0.7.8)
• libtpms project libtpms (>= 0.8.0 < 0.8.4)
• redhat enterprise linux 8.0
• fedoraproject fedora 34
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1976806 Issue Tracking, Patch, Third Party Advisory
- https://github.com/stefanberger/libtpms/commit/2e6173c Patch, Third Party Advisory
- https://github.com/stefanberger/libtpms/commit/2f30d62 Patch, Third Party Advisory
- https://github.com/stefanberger/libtpms/commit/7981d9a Patch, Third Party Advisory
- https://github.com/stefanberger/libtpms/pull/223 Issue Tracking, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7KZSYMTE7Z4BBEZUWO2DIMQDWMGEP46/ lists.fedoraproject.org
- https://bugzilla.redhat.com/show_bug.cgi?id=1976806 Issue Tracking, Patch, Third Party Advisory
- https://github.com/stefanberger/libtpms/commit/2e6173c Patch, Third Party Advisory
- https://github.com/stefanberger/libtpms/commit/2f30d62 Patch, Third Party Advisory
- https://github.com/stefanberger/libtpms/commit/7981d9a Patch, Third Party Advisory
- https://github.com/stefanberger/libtpms/pull/223 Issue Tracking, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7KZSYMTE7Z4BBEZUWO2DIMQDWMGEP46/ lists.fedoraproject.org