# RHSA-2023:1584: Security update for 12 packages

RHSA-2023:1584, released April 4, 2023, fixes 4 CVEs across 12 products. 2 of them are being exploited (CVE-2023-0386); 2 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2023-1584
- Platform: Linux
- Released: Apr 4, 2023
- Priority: Patch now (Closes CVE-2023-0386, exploited (CISA KEV))
- CVEs: 4, exploited: 2, on CISA KEV: 2
- Vendor advisory: https://access.redhat.com/errata/RHSA-2023:1584

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel-rt](https://patchblox.com/security/data/product/linux/kernel-rt.md) | RHEL 8 | 0:4.18.0-425.19.2.rt7.230.el8_7 |
| [kernel-rt-core](https://patchblox.com/security/data/product/linux/kernel-rt-core.md) | RHEL 8 | 0:4.18.0-425.19.2.rt7.230.el8_7 |
| [kernel-rt-debug](https://patchblox.com/security/data/product/linux/kernel-rt-debug.md) | RHEL 8 | 0:4.18.0-425.19.2.rt7.230.el8_7 |
| [kernel-rt-debug-core](https://patchblox.com/security/data/product/linux/kernel-rt-debug-core.md) | RHEL 8 | 0:4.18.0-425.19.2.rt7.230.el8_7 |
| [kernel-rt-debug-devel](https://patchblox.com/security/data/product/linux/kernel-rt-debug-devel.md) | RHEL 8 | 0:4.18.0-425.19.2.rt7.230.el8_7 |
| [kernel-rt-debug-kvm](https://patchblox.com/security/data/product/linux/kernel-rt-debug-kvm.md) | RHEL 8 | 0:4.18.0-425.19.2.rt7.230.el8_7 |
| [kernel-rt-debug-modules](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules.md) | RHEL 8 | 0:4.18.0-425.19.2.rt7.230.el8_7 |
| [kernel-rt-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules-extra.md) | RHEL 8 | 0:4.18.0-425.19.2.rt7.230.el8_7 |
| [kernel-rt-devel](https://patchblox.com/security/data/product/linux/kernel-rt-devel.md) | RHEL 8 | 0:4.18.0-425.19.2.rt7.230.el8_7 |
| [kernel-rt-kvm](https://patchblox.com/security/data/product/linux/kernel-rt-kvm.md) | RHEL 8 | 0:4.18.0-425.19.2.rt7.230.el8_7 |
| [kernel-rt-modules](https://patchblox.com/security/data/product/linux/kernel-rt-modules.md) | RHEL 8 | 0:4.18.0-425.19.2.rt7.230.el8_7 |
| [kernel-rt-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-modules-extra.md) | RHEL 8 | 0:4.18.0-425.19.2.rt7.230.el8_7 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-0386](https://patchblox.com/security/data/cve/CVE-2023-0386.md) | Patch now | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: s... | 7.8 | 0.0788 | CISA KEV |
| [CVE-2023-0266](https://patchblox.com/security/data/cve/CVE-2023-0266.md) | Patch now | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: s... | 7.8 | 0.0370 | CISA KEV |
| [CVE-2022-4378](https://patchblox.com/security/data/cve/CVE-2022-4378.md) | High | kernel-abi-stablelists: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: s... | 7.8 | 0.0044 |  |
| [CVE-2022-4269](https://patchblox.com/security/data/cve/CVE-2022-4269.md) | High | kernel-debug-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: s... | 7.8 | 0.0020 |  |

---

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