# RHSA-2025:19103: Security update for 12 packages

RHSA-2025:19103, released October 27, 2025, fixes 6 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2025-19103
- Platform: Linux
- Released: Oct 27, 2025
- Priority: High (Closes CVE-2025-39841, high severity)
- CVEs: 6, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2025:19103

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel-rt](https://patchblox.com/security/data/product/linux/kernel-rt.md) | RHEL 8 | 0:4.18.0-553.81.1.rt7.422.el8_10 |
| [kernel-rt-core](https://patchblox.com/security/data/product/linux/kernel-rt-core.md) | RHEL 8 | 0:4.18.0-553.81.1.rt7.422.el8_10 |
| [kernel-rt-debug](https://patchblox.com/security/data/product/linux/kernel-rt-debug.md) | RHEL 8 | 0:4.18.0-553.81.1.rt7.422.el8_10 |
| [kernel-rt-debug-core](https://patchblox.com/security/data/product/linux/kernel-rt-debug-core.md) | RHEL 8 | 0:4.18.0-553.81.1.rt7.422.el8_10 |
| [kernel-rt-debug-devel](https://patchblox.com/security/data/product/linux/kernel-rt-debug-devel.md) | RHEL 8 | 0:4.18.0-553.81.1.rt7.422.el8_10 |
| [kernel-rt-debug-kvm](https://patchblox.com/security/data/product/linux/kernel-rt-debug-kvm.md) | RHEL 8 | 0:4.18.0-553.81.1.rt7.422.el8_10 |
| [kernel-rt-debug-modules](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules.md) | RHEL 8 | 0:4.18.0-553.81.1.rt7.422.el8_10 |
| [kernel-rt-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules-extra.md) | RHEL 8 | 0:4.18.0-553.81.1.rt7.422.el8_10 |
| [kernel-rt-devel](https://patchblox.com/security/data/product/linux/kernel-rt-devel.md) | RHEL 8 | 0:4.18.0-553.81.1.rt7.422.el8_10 |
| [kernel-rt-kvm](https://patchblox.com/security/data/product/linux/kernel-rt-kvm.md) | RHEL 8 | 0:4.18.0-553.81.1.rt7.422.el8_10 |
| [kernel-rt-modules](https://patchblox.com/security/data/product/linux/kernel-rt-modules.md) | RHEL 8 | 0:4.18.0-553.81.1.rt7.422.el8_10 |
| [kernel-rt-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-modules-extra.md) | RHEL 8 | 0:4.18.0-553.81.1.rt7.422.el8_10 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-39841](https://patchblox.com/security/data/cve/CVE-2025-39841.md) | High | scsi: lpfc: Fix buffer free/clear order in deferred receive path | 7.8 | 0.0048 |  |
| [CVE-2022-50386](https://patchblox.com/security/data/cve/CVE-2022-50386.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: B... | 8.0 | 0.0037 |  |
| [CVE-2025-39849](https://patchblox.com/security/data/cve/CVE-2025-39849.md) | High | wifi: cfg80211: sme: cap SSID length in __cfg80211_connect_result() | 7.8 | 0.0022 |  |
| [CVE-2023-53297](https://patchblox.com/security/data/cve/CVE-2023-53297.md) | High | kernel-debug-core: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: B... | 7.6 | 0.0022 |  |
| [CVE-2025-39817](https://patchblox.com/security/data/cve/CVE-2025-39817.md) | High | efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare | 7.6 | 0.0017 |  |
| [CVE-2023-53386](https://patchblox.com/security/data/cve/CVE-2023-53386.md) | High | kernel-64kb: The SUSE Linux Enterprise 15 SP6 kernel was updated to receive various security bugfixes.   The following security bu... | 7.8 | 0.0015 |  |

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Data as of 2026-11-07T18:46:35Z 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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