# RHSA-2026:3110: Security update for 12 packages

RHSA-2026:3110, released March 12, 2026, fixes 5 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-3110
- Platform: Linux
- Released: Mar 12, 2026
- Priority: High (Closes CVE-2025-38248, high severity)
- CVEs: 5, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:3110

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel-rt](https://patchblox.com/security/data/product/linux/kernel-rt.md) | RHEL 8 | 0:4.18.0-553.107.1.rt7.448.el8_10 |
| [kernel-rt-core](https://patchblox.com/security/data/product/linux/kernel-rt-core.md) | RHEL 8 | 0:4.18.0-553.107.1.rt7.448.el8_10 |
| [kernel-rt-debug](https://patchblox.com/security/data/product/linux/kernel-rt-debug.md) | RHEL 8 | 0:4.18.0-553.107.1.rt7.448.el8_10 |
| [kernel-rt-debug-core](https://patchblox.com/security/data/product/linux/kernel-rt-debug-core.md) | RHEL 8 | 0:4.18.0-553.107.1.rt7.448.el8_10 |
| [kernel-rt-debug-devel](https://patchblox.com/security/data/product/linux/kernel-rt-debug-devel.md) | RHEL 8 | 0:4.18.0-553.107.1.rt7.448.el8_10 |
| [kernel-rt-debug-kvm](https://patchblox.com/security/data/product/linux/kernel-rt-debug-kvm.md) | RHEL 8 | 0:4.18.0-553.107.1.rt7.448.el8_10 |
| [kernel-rt-debug-modules](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules.md) | RHEL 8 | 0:4.18.0-553.107.1.rt7.448.el8_10 |
| [kernel-rt-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules-extra.md) | RHEL 8 | 0:4.18.0-553.107.1.rt7.448.el8_10 |
| [kernel-rt-devel](https://patchblox.com/security/data/product/linux/kernel-rt-devel.md) | RHEL 8 | 0:4.18.0-553.107.1.rt7.448.el8_10 |
| [kernel-rt-kvm](https://patchblox.com/security/data/product/linux/kernel-rt-kvm.md) | RHEL 8 | 0:4.18.0-553.107.1.rt7.448.el8_10 |
| [kernel-rt-modules](https://patchblox.com/security/data/product/linux/kernel-rt-modules.md) | RHEL 8 | 0:4.18.0-553.107.1.rt7.448.el8_10 |
| [kernel-rt-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-modules-extra.md) | RHEL 8 | 0:4.18.0-553.107.1.rt7.448.el8_10 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-38248](https://patchblox.com/security/data/cve/CVE-2025-38248.md) | High | bridge: mcast: Fix use-after-free during router port configuration | 7.8 | 0.0030 |  |
| [CVE-2025-38129](https://patchblox.com/security/data/cve/CVE-2025-38129.md) | High | page_pool: Fix use-after-free in page_pool_recycle_in_ring | 7.8 | 0.0020 |  |
| [CVE-2026-23074](https://patchblox.com/security/data/cve/CVE-2026-23074.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: p... | 7.8 | 0.0019 |  |
| [CVE-2025-68800](https://patchblox.com/security/data/cve/CVE-2025-68800.md) | High | mlxsw: spectrum_mr: Fix use-after-free when updating multicast route stats | 7.8 | 0.0015 |  |
| [CVE-2025-40064](https://patchblox.com/security/data/cve/CVE-2025-40064.md) | High | smc: Fix use-after-free in __pnet_find_base_ndev(). | 8.8 | 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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