# RHSA-2025:8137: kernel security update

RHSA-2025:8137, released February 27, 2025, fixes 2 CVEs in kernel (version 6.12.0-55.13.1.el10_0). One of them is being exploited (CVE-2024-53104); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2025-8137
- Platform: Linux
- Released: Feb 27, 2025
- Priority: Patch now (Closes CVE-2024-53104, exploited (CISA KEV))
- CVEs: 2, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://access.redhat.com/errata/RHSA-2025:8137

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 10 | 6.12.0-55.13.1.el10_0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2024-53104](https://patchblox.com/security/data/cve/CVE-2024-53104.md) | Patch now | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: m... | 7.8 | 0.0340 | CISA KEV |
| [CVE-2025-21756](https://patchblox.com/security/data/cve/CVE-2025-21756.md) | High | perf: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: n... | 7.8 | 0.0089 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo