# ELSA-2022-9273: Security update for 9 packages

ELSA-2022-9273, released April 11, 2022, fixes 11 CVEs across 9 products. One of them is being exploited (CVE-2021-22600); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/linux/elsa-2022-9273
- Platform: Linux
- Released: Apr 11, 2022
- Priority: Patch now (Closes CVE-2021-22600, exploited (CISA KEV))
- CVEs: 11, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2022-9273.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel-uek](https://patchblox.com/security/data/product/linux/kernel-uek.md) | ol 8 | 0:5.4.17-2136.306.1.3.el8uek |
| [kernel-uek-debug](https://patchblox.com/security/data/product/linux/kernel-uek-debug.md) | ol 8 | 0:5.4.17-2136.306.1.3.el8uek |
| [kernel-uek-debug-devel](https://patchblox.com/security/data/product/linux/kernel-uek-debug-devel.md) | ol 8 | 0:5.4.17-2136.306.1.3.el8uek |
| [kernel-uek-devel](https://patchblox.com/security/data/product/linux/kernel-uek-devel.md) | ol 8 | 0:5.4.17-2136.306.1.3.el8uek |
| [kernel-uek-doc](https://patchblox.com/security/data/product/linux/kernel-uek-doc.md) | ol 8 | 0:5.4.17-2136.306.1.3.el8uek |
| [kernel-uek-tools](https://patchblox.com/security/data/product/linux/kernel-uek-tools.md) | ol 8 | 0:5.4.17-2136.306.1.3.el7uek |
| [kernel-uek-tools-libs](https://patchblox.com/security/data/product/linux/kernel-uek-tools-libs.md) | ol 8 | 0:5.4.17-2136.306.1.3.el7uek |
| [perf](https://patchblox.com/security/data/product/linux/perf.md) | ol 8 | 0:5.4.17-2136.306.1.3.el7uek |
| [python-perf](https://patchblox.com/security/data/product/linux/python-perf.md) | ol 8 | 0:5.4.17-2136.306.1.3.el7uek |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-22600](https://patchblox.com/security/data/cve/CVE-2021-22600.md) | Patch now | linux: A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted sys... | 7.8 | 0.0659 | CISA KEV |
| [CVE-2022-22942](https://patchblox.com/security/data/cve/CVE-2022-22942.md) | High | kernel-doc: The kernel packages contain the Linux kernel, the core of any Linux operating system.  The following packages have be... | 8.8 | 0.0256 |  |
| [CVE-2020-36516](https://patchblox.com/security/data/cve/CVE-2020-36516.md) | High | kernel-modules-extra: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * off-path... | 7.8 | 0.0067 |  |
| [CVE-2022-23960](https://patchblox.com/security/data/cve/CVE-2022-23960.md) | High | Arm: CVE-2022-23960 Cache Speculation Restriction Vulnerability | 7.8 | 0.0050 | Disclosed |
| [CVE-2022-0617](https://patchblox.com/security/data/cve/CVE-2022-0617.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 | 0.0050 |  |
| [CVE-2022-1016](https://patchblox.com/security/data/cve/CVE-2022-1016.md) | High | kernel-rt-debug-modules-extra: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high... | 7.8 | 0.0044 |  |
| [CVE-2022-1158](https://patchblox.com/security/data/cve/CVE-2022-1158.md) | High | kernel-zfcpdump-modules-extra: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * off-path... | 7.8 | 0.0041 |  |
| [CVE-2022-24448](https://patchblox.com/security/data/cve/CVE-2022-24448.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 | 0.0040 |  |
| [CVE-2021-26401](https://patchblox.com/security/data/cve/CVE-2021-26401.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: f... | 8.2 | 0.0029 |  |
| [CVE-2022-26966](https://patchblox.com/security/data/cve/CVE-2022-26966.md) | Routine | linux: An issue was discovered in the Linux kernel before 5.16.12 | 5.5 | 0.0035 |  |
| [CVE-2021-26341](https://patchblox.com/security/data/cve/CVE-2021-26341.md) | Routine | kernel-zfcpdump-modules-extra: The kernel packages contain the Linux kernel, the core of any Linux operating system.  The following packages have be... | 6.5 | 0.0032 |  |

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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