# RHSA-2023:0300: Security update for 12 packages

RHSA-2023:0300, released January 23, 2023, 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-2023-0300
- Platform: Linux
- Released: Jan 23, 2023
- Priority: High (Closes CVE-2022-43945, high severity)
- CVEs: 6, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2023:0300

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel-rt](https://patchblox.com/security/data/product/linux/kernel-rt.md) | RHEL 9 | 0:5.14.0-162.12.1.rt21.175.el9_1 |
| [kernel-rt-core](https://patchblox.com/security/data/product/linux/kernel-rt-core.md) | RHEL 9 | 0:5.14.0-162.12.1.rt21.175.el9_1 |
| [kernel-rt-debug](https://patchblox.com/security/data/product/linux/kernel-rt-debug.md) | RHEL 9 | 0:5.14.0-162.12.1.rt21.175.el9_1 |
| [kernel-rt-debug-core](https://patchblox.com/security/data/product/linux/kernel-rt-debug-core.md) | RHEL 9 | 0:5.14.0-162.12.1.rt21.175.el9_1 |
| [kernel-rt-debug-devel](https://patchblox.com/security/data/product/linux/kernel-rt-debug-devel.md) | RHEL 9 | 0:5.14.0-162.12.1.rt21.175.el9_1 |
| [kernel-rt-debug-kvm](https://patchblox.com/security/data/product/linux/kernel-rt-debug-kvm.md) | RHEL 9 | 0:5.14.0-162.12.1.rt21.175.el9_1 |
| [kernel-rt-debug-modules](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules.md) | RHEL 9 | 0:5.14.0-162.12.1.rt21.175.el9_1 |
| [kernel-rt-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules-extra.md) | RHEL 9 | 0:5.14.0-162.12.1.rt21.175.el9_1 |
| [kernel-rt-devel](https://patchblox.com/security/data/product/linux/kernel-rt-devel.md) | RHEL 9 | 0:5.14.0-162.12.1.rt21.175.el9_1 |
| [kernel-rt-kvm](https://patchblox.com/security/data/product/linux/kernel-rt-kvm.md) | RHEL 9 | 0:5.14.0-162.12.1.rt21.175.el9_1 |
| [kernel-rt-modules](https://patchblox.com/security/data/product/linux/kernel-rt-modules.md) | RHEL 9 | 0:5.14.0-162.12.1.rt21.175.el9_1 |
| [kernel-rt-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-modules-extra.md) | RHEL 9 | 0:5.14.0-162.12.1.rt21.175.el9_1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-43945](https://patchblox.com/security/data/cve/CVE-2022-43945.md) | High | kernel-zfcpdump: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: m... | 7.8 | 0.0541 |  |
| [CVE-2022-30594](https://patchblox.com/security/data/cve/CVE-2022-30594.md) | High | kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high... | 7.8 | 0.0080 |  |
| [CVE-2022-2959](https://patchblox.com/security/data/cve/CVE-2022-2959.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: w... | 7.8 | 0.0038 |  |
| [CVE-2022-2964](https://patchblox.com/security/data/cve/CVE-2022-2964.md) | High | kernel-rt-core: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high... | 7.8 | 0.0031 |  |
| [CVE-2022-4139](https://patchblox.com/security/data/cve/CVE-2022-4139.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: m... | 7.8 | 0.0026 |  |
| [CVE-2022-3077](https://patchblox.com/security/data/cve/CVE-2022-3077.md) | High | kernel-modules: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: w... | 7.8 | 0.0024 |  |

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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