# RHSA-2023:7548: Security update for 12 packages

RHSA-2023:7548, released November 28, 2023, fixes 7 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2023-7548
- Platform: Linux
- Released: Nov 28, 2023
- Priority: High (Closes CVE-2023-5178, high severity)
- CVEs: 7, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2023:7548

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel-rt](https://patchblox.com/security/data/product/linux/kernel-rt.md) | RHEL 8 | 0:4.18.0-513.9.1.rt7.311.el8_9 |
| [kernel-rt-core](https://patchblox.com/security/data/product/linux/kernel-rt-core.md) | RHEL 8 | 0:4.18.0-513.9.1.rt7.311.el8_9 |
| [kernel-rt-debug](https://patchblox.com/security/data/product/linux/kernel-rt-debug.md) | RHEL 8 | 0:4.18.0-513.9.1.rt7.311.el8_9 |
| [kernel-rt-debug-core](https://patchblox.com/security/data/product/linux/kernel-rt-debug-core.md) | RHEL 8 | 0:4.18.0-513.9.1.rt7.311.el8_9 |
| [kernel-rt-debug-devel](https://patchblox.com/security/data/product/linux/kernel-rt-debug-devel.md) | RHEL 8 | 0:4.18.0-513.9.1.rt7.311.el8_9 |
| [kernel-rt-debug-kvm](https://patchblox.com/security/data/product/linux/kernel-rt-debug-kvm.md) | RHEL 8 | 0:4.18.0-513.9.1.rt7.311.el8_9 |
| [kernel-rt-debug-modules](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules.md) | RHEL 8 | 0:4.18.0-513.9.1.rt7.311.el8_9 |
| [kernel-rt-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules-extra.md) | RHEL 8 | 0:4.18.0-513.9.1.rt7.311.el8_9 |
| [kernel-rt-devel](https://patchblox.com/security/data/product/linux/kernel-rt-devel.md) | RHEL 8 | 0:4.18.0-513.9.1.rt7.311.el8_9 |
| [kernel-rt-kvm](https://patchblox.com/security/data/product/linux/kernel-rt-kvm.md) | RHEL 8 | 0:4.18.0-513.9.1.rt7.311.el8_9 |
| [kernel-rt-modules](https://patchblox.com/security/data/product/linux/kernel-rt-modules.md) | RHEL 8 | 0:4.18.0-513.9.1.rt7.311.el8_9 |
| [kernel-rt-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-modules-extra.md) | RHEL 8 | 0:4.18.0-513.9.1.rt7.311.el8_9 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-5178](https://patchblox.com/security/data/cve/CVE-2023-5178.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: b... | 9.8 | 0.0962 |  |
| [CVE-2023-2163](https://patchblox.com/security/data/cve/CVE-2023-2163.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: b... | 8.8 | 0.0364 |  |
| [CVE-2023-3812](https://patchblox.com/security/data/cve/CVE-2023-3812.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: b... | 7.8 | 0.0034 |  |
| [CVE-2022-45886](https://patchblox.com/security/data/cve/CVE-2022-45886.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: b... | 7.0 | 0.0033 |  |
| [CVE-2022-45919](https://patchblox.com/security/data/cve/CVE-2022-45919.md) | High | kernel-rt-debug-core: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high... | 7.0 | 0.0027 |  |
| [CVE-2023-1192](https://patchblox.com/security/data/cve/CVE-2023-1192.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: b... | 6.5 | 0.0110 |  |
| [CVE-2022-45884](https://patchblox.com/security/data/cve/CVE-2022-45884.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: b... | 6.4 | 0.0034 |  |

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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