# RXSA-2023:7549: kernel security update

RXSA-2023:7549, released December 6, 2023, fixes 7 CVEs in kernel (version 0:4.18.0-513.9.1.el8_9.cloud). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rxsa-2023-7549
- Platform: Linux
- Released: Dec 6, 2023
- Priority: High (Closes CVE-2023-5178, high severity)
- CVEs: 7, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://errata.rockylinux.org/RXSA-2023:7549

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | rocky 8 | 0:4.18.0-513.9.1.el8_9.cloud |

## 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 2026-11-07T06:34:28Z 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