# RHSA-2025:7956: kernel security update

RHSA-2025:7956, released April 2, 2025, fixes 2 CVEs in kernel (version 6.12.0-55.12.1.el10_0). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2025-7956
- Platform: Linux
- Released: Apr 2, 2025
- Priority: High (Closes CVE-2025-21993, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2025:7956

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 10 | 6.12.0-55.12.1.el10_0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-21993](https://patchblox.com/security/data/cve/CVE-2025-21993.md) | High | kernel-64kb: The SUSE Linux Enterprise 15 SP7 kernel was updated to receive various security bugfixes.   The following security bu... | 7.1 | 0.0022 |  |
| [CVE-2025-21966](https://patchblox.com/security/data/cve/CVE-2025-21966.md) | High | kernel-64kb: The SUSE Linux Enterprise 15 SP7 kernel was updated to receive various security bugfixes.   The following security bu... | 7.8 | 0.0021 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo