# RHSA-2025:22571: kernel security update

RHSA-2025:22571, released October 15, 2025, fixes 5 CVEs in kernel (version 6.12.0-55.47.1.el10_0). None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2025-22571
- Platform: Linux
- Released: Oct 15, 2025
- Priority: Urgent (Closes CVE-2025-39971, rated Critical)
- CVEs: 5, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2025:22571

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 10 | 6.12.0-55.47.1.el10_0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-39971](https://patchblox.com/security/data/cve/CVE-2025-39971.md) | Urgent | i40e: fix idx validation in config queues msg | 9.8 | 0.0016 |  |
| [CVE-2025-39898](https://patchblox.com/security/data/cve/CVE-2025-39898.md) | Urgent | e1000e: fix heap overflow in e1000_set_eeprom | 9.8 | n/a |  |
| [CVE-2025-38724](https://patchblox.com/security/data/cve/CVE-2025-38724.md) | High | nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm() | 7.8 | 0.0041 |  |
| [CVE-2025-39918](https://patchblox.com/security/data/cve/CVE-2025-39918.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: n... | 7.6 | 0.0021 |  |
| [CVE-2025-39955](https://patchblox.com/security/data/cve/CVE-2025-39955.md) | High | tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect(). | 7.8 | 0.0017 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo