# ELSA-2023-12206: Security update for 9 packages

ELSA-2023-12206, released March 21, 2023, fixes 13 CVEs across 9 products. One of them is being exploited (CVE-2023-0266); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/linux/elsa-2023-12206
- Platform: Linux
- Released: Mar 21, 2023
- Priority: Patch now (Closes CVE-2023-0266, exploited (CISA KEV))
- CVEs: 13, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2023-12206.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel-uek](https://patchblox.com/security/data/product/linux/kernel-uek.md) | ol 8 | 0:5.4.17-2136.317.5.3.el8uek |
| [kernel-uek-debug](https://patchblox.com/security/data/product/linux/kernel-uek-debug.md) | ol 8 | 0:5.4.17-2136.317.5.3.el8uek |
| [kernel-uek-debug-devel](https://patchblox.com/security/data/product/linux/kernel-uek-debug-devel.md) | ol 8 | 0:5.4.17-2136.317.5.3.el8uek |
| [kernel-uek-devel](https://patchblox.com/security/data/product/linux/kernel-uek-devel.md) | ol 8 | 0:5.4.17-2136.317.5.3.el8uek |
| [kernel-uek-doc](https://patchblox.com/security/data/product/linux/kernel-uek-doc.md) | ol 8 | 0:5.4.17-2136.317.5.3.el8uek |
| [kernel-uek-tools](https://patchblox.com/security/data/product/linux/kernel-uek-tools.md) | ol 8 | 0:5.4.17-2136.317.5.3.el7uek |
| [kernel-uek-tools-libs](https://patchblox.com/security/data/product/linux/kernel-uek-tools-libs.md) | ol 8 | 0:5.4.17-2136.317.5.3.el7uek |
| [perf](https://patchblox.com/security/data/product/linux/perf.md) | ol 8 | 0:5.4.17-2136.317.5.3.el7uek |
| [python-perf](https://patchblox.com/security/data/product/linux/python-perf.md) | ol 8 | 0:5.4.17-2136.317.5.3.el7uek |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [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-2022-45934](https://patchblox.com/security/data/cve/CVE-2022-45934.md) | High | kernel-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  For more de... | 8.0 | 0.0079 |  |
| [CVE-2022-45885](https://patchblox.com/security/data/cve/CVE-2022-45885.md) | High | kernel-uek: [5.4.17-2136.317.5.3] - udf: Fix file corruption when appending just after end of preallocated extent (Jan Kara)  [Or... | 7.0 | 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-2022-2873](https://patchblox.com/security/data/cve/CVE-2022-2873.md) | High | kernel-doc: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: m... | 7.8 | 0.0032 |  |
| [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-2023-0394](https://patchblox.com/security/data/cve/CVE-2023-0394.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * use-after... | 6.5 | 0.0104 |  |
| [CVE-2022-47929](https://patchblox.com/security/data/cve/CVE-2022-47929.md) | Routine | kernel-rt: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high... | 5.5 | 0.0104 |  |
| [CVE-2022-41218](https://patchblox.com/security/data/cve/CVE-2022-41218.md) | Routine | kernel-rt-debug-core: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high... | 5.5 | 0.0083 |  |
| [CVE-2023-23454](https://patchblox.com/security/data/cve/CVE-2023-23454.md) | Routine | kernel-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  The following packages have be... | 5.5 | 0.0034 |  |
| [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 |  |
| [CVE-2022-45887](https://patchblox.com/security/data/cve/CVE-2022-45887.md) | Routine | kernel-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: t... | 4.7 | 0.0030 |  |
| [CVE-2023-23455](https://patchblox.com/security/data/cve/CVE-2023-23455.md) | Routine | kernel-abi-stablelists: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: t... | 5.5 | 0.0028 |  |

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Data as of 2026-11-08T00:53:09Z 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

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