# RHSA-2026:1536: ceph security update

RHSA-2026:1536, released January 20, 2026, fixes 3 CVEs in ceph (version 20.1.0-144.el10cp). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-1536
- Platform: Linux
- Released: Jan 20, 2026
- Priority: High (Closes CVE-2025-30204, high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:1536

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [ceph](https://patchblox.com/security/data/product/linux/ceph.md) | RHEL 10 | 20.1.0-144.el10cp |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-30204](https://patchblox.com/security/data/cve/CVE-2025-30204.md) | High | grafana: Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB & OpenTSDB | 7.5 | 0.0081 |  |
| [CVE-2025-52555](https://patchblox.com/security/data/cve/CVE-2025-52555.md) | Routine | CephFS Permission Escalation Vulnerability in Ceph Fuse mounted FS | 6.5 | 0.0021 |  |
| [CVE-2024-31884](https://patchblox.com/security/data/cve/CVE-2024-31884.md) | Routine | ceph-mgr-cephadm: Incorrect usage of certificate checking via Pybind | 6.5 | n/a |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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