vulnerability
Arch Linux: Information disclosure (CVE-2021-3623)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:L/Au:N/C:P/I:N/A:P) | Mar 2, 2022 | Jul 11, 2025 | Nov 27, 2025 |
Severity
4
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:P)
Published
Mar 2, 2022
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
A security issue was found in libtpms before version 0.8.4. 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.
Solution
arch-linux-upgrade-latest
References
- CVE-2021-3623
- https://attackerkb.com/topics/CVE-2021-3623
- URL-https://bugzilla.redhat.com/show_bug.cgi?id=1976806
- URL-https://github.com/stefanberger/libtpms/commit/2e6173c
- URL-https://github.com/stefanberger/libtpms/commit/2f30d62
- URL-https://github.com/stefanberger/libtpms/commit/7981d9a
- URL-https://github.com/stefanberger/libtpms/pull/223
- URL-https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7KZSYMTE7Z4BBEZUWO2DIMQDWMGEP46/
- URL-https://security.archlinux.org/ASA-202107-9
- CWE-787
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.