# RHSA-2023:1659: Security update for 3 packages

RHSA-2023:1659, released April 5, 2023, fixes 4 CVEs across 3 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-2023-1659
- Platform: Linux
- Released: Apr 5, 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-2023:1659

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kpatch-patch-4_18_0-425_10_1](https://patchblox.com/security/data/product/linux/kpatch-patch-4-18-0-425-10-1.md) | RHEL 8 | 0:1-4.el8_7 |
| [kpatch-patch-4_18_0-425_13_1](https://patchblox.com/security/data/product/linux/kpatch-patch-4-18-0-425-13-1.md) | RHEL 8 | 0:1-2.el8_7 |
| [kpatch-patch-4_18_0-425_3_1](https://patchblox.com/security/data/product/linux/kpatch-patch-4-18-0-425-3-1.md) | RHEL 8 | 0:1-6.el8 |

## 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-2023-1476](https://patchblox.com/security/data/cve/CVE-2023-1476.md) | High | kpatch-patch-4_18_0-425_10_1: This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of... | 7.0 | 0.0023 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo