# RHSA-2023:2453: libtpms security update

RHSA-2023:2453, released May 9, 2023, fixes 2 CVEs in libtpms (version 0:0.9.1-3.20211126git1ff6fe1f43.el9_2). None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2023-2453
- Platform: Linux
- Released: May 9, 2023
- Priority: Urgent (Closes CVE-2023-1018, rated Critical)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2023:2453

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libtpms](https://patchblox.com/security/data/product/linux/libtpms.md) | RHEL 9 | 0:0.9.1-3.20211126git1ff6fe1f43.el9_2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-1018](https://patchblox.com/security/data/cve/CVE-2023-1018.md) | Urgent | CERT/CC: CVE-2023-1018 TPM2.0 Module Library Elevation of Privilege Vulnerability | 8.8 | 0.0555 |  |
| [CVE-2023-1017](https://patchblox.com/security/data/cve/CVE-2023-1017.md) | Urgent | CERT/CC: CVE-2023-1017 TPM2.0 Module Library Elevation of Privilege Vulnerability | 8.8 | 0.0138 |  |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo