# RHSA-2020:4431: Security update for 23 packages

RHSA-2020:4431, released November 4, 2020, fixes 51 CVEs across 23 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2020-4431
- Platform: Linux
- Released: Nov 4, 2020
- Priority: High (Closes CVE-2019-19447, high severity)
- CVEs: 51, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2020:4431

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [bpftool](https://patchblox.com/security/data/product/linux/bpftool.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel-abi-whitelists](https://patchblox.com/security/data/product/linux/kernel-abi-whitelists.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel-core](https://patchblox.com/security/data/product/linux/kernel-core.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel-debug](https://patchblox.com/security/data/product/linux/kernel-debug.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel-debug-core](https://patchblox.com/security/data/product/linux/kernel-debug-core.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel-debug-devel](https://patchblox.com/security/data/product/linux/kernel-debug-devel.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel-debug-modules](https://patchblox.com/security/data/product/linux/kernel-debug-modules.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-debug-modules-extra.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel-devel](https://patchblox.com/security/data/product/linux/kernel-devel.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel-doc](https://patchblox.com/security/data/product/linux/kernel-doc.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel-modules](https://patchblox.com/security/data/product/linux/kernel-modules.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel-modules-extra](https://patchblox.com/security/data/product/linux/kernel-modules-extra.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel-tools](https://patchblox.com/security/data/product/linux/kernel-tools.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel-tools-libs](https://patchblox.com/security/data/product/linux/kernel-tools-libs.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel-tools-libs-devel](https://patchblox.com/security/data/product/linux/kernel-tools-libs-devel.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel-zfcpdump](https://patchblox.com/security/data/product/linux/kernel-zfcpdump.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel-zfcpdump-core](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-core.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel-zfcpdump-devel](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-devel.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel-zfcpdump-modules](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-modules.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [kernel-zfcpdump-modules-extra](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-modules-extra.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [perf](https://patchblox.com/security/data/product/linux/perf.md) | RHEL 8 | 0:4.18.0-240.el8 |
| [python3-perf](https://patchblox.com/security/data/product/linux/python3-perf.md) | RHEL 8 | 0:4.18.0-240.el8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2019-19447](https://patchblox.com/security/data/cve/CVE-2019-19447.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 7.8 | 0.0352 |  |
| [CVE-2019-19770](https://patchblox.com/security/data/cve/CVE-2019-19770.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 8.2 | 0.0245 |  |
| [CVE-2020-14381](https://patchblox.com/security/data/cve/CVE-2020-14381.md) | High | kernel-doc: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 7.8 | 0.0083 |  |
| [CVE-2019-19319](https://patchblox.com/security/data/cve/CVE-2019-19319.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 7.8 | 0.0069 |  |
| [CVE-2020-8648](https://patchblox.com/security/data/cve/CVE-2020-8648.md) | High | kernel-abi-whitelists: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 7.1 | 0.0066 |  |
| [CVE-2019-15917](https://patchblox.com/security/data/cve/CVE-2019-15917.md) | High | kernel-core: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 7.0 | 0.0064 |  |
| [CVE-2020-11668](https://patchblox.com/security/data/cve/CVE-2020-11668.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 7.1 | 0.0048 |  |
| [CVE-2019-19543](https://patchblox.com/security/data/cve/CVE-2019-19543.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 7.8 | 0.0038 |  |
| [CVE-2021-3715](https://patchblox.com/security/data/cve/CVE-2021-3715.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 7.8 | 0.0035 |  |
| [CVE-2019-15925](https://patchblox.com/security/data/cve/CVE-2019-15925.md) | High | kernel-modules-extra: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 7.8 | 0.0035 |  |
| [CVE-2022-50219](https://patchblox.com/security/data/cve/CVE-2022-50219.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * use-after... | 7.8 | 0.0023 |  |
| [CVE-2025-21727](https://patchblox.com/security/data/cve/CVE-2025-21727.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: p... | 7.8 | 0.0022 |  |
| [CVE-2020-0444](https://patchblox.com/security/data/cve/CVE-2020-0444.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 7.8 | 0.0022 |  |
| [CVE-2019-9458](https://patchblox.com/security/data/cve/CVE-2019-9458.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 7.0 | 0.0017 |  |
| [CVE-2019-19046](https://patchblox.com/security/data/cve/CVE-2019-19046.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 6.5 | 0.0316 |  |
| [CVE-2019-19767](https://patchblox.com/security/data/cve/CVE-2019-19767.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 5.5 | 0.0208 |  |
| [CVE-2020-10942](https://patchblox.com/security/data/cve/CVE-2020-10942.md) | Routine | kernel-zfcpdump-modules-extra: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 5.3 | 0.0100 |  |
| [CVE-2019-19063](https://patchblox.com/security/data/cve/CVE-2019-19063.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 4.6 | 0.0090 |  |
| [CVE-2019-19524](https://patchblox.com/security/data/cve/CVE-2019-19524.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 4.6 | 0.0074 |  |
| [CVE-2020-12659](https://patchblox.com/security/data/cve/CVE-2020-12659.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 6.7 | 0.0071 |  |
| [CVE-2020-12826](https://patchblox.com/security/data/cve/CVE-2020-12826.md) | Routine | kernel-rt-devel: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high... | 5.3 | 0.0071 |  |
| [CVE-2019-19332](https://patchblox.com/security/data/cve/CVE-2019-19332.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 6.1 | 0.0068 |  |
| [CVE-2019-12614](https://patchblox.com/security/data/cve/CVE-2019-12614.md) | Routine | python3-perf: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 4.1 | 0.0065 |  |
| [CVE-2019-19062](https://patchblox.com/security/data/cve/CVE-2019-19062.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... | 4.7 | 0.0063 |  |
| [CVE-2020-10732](https://patchblox.com/security/data/cve/CVE-2020-10732.md) | Routine | kernel-zfcpdump: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 4.4 | 0.0062 |  |
| [CVE-2019-19602](https://patchblox.com/security/data/cve/CVE-2019-19602.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 6.1 | 0.0061 |  |
| [CVE-2020-12770](https://patchblox.com/security/data/cve/CVE-2020-12770.md) | Routine | kernel-abi-whitelists: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 6.7 | 0.0059 |  |
| [CVE-2020-11565](https://patchblox.com/security/data/cve/CVE-2020-11565.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 6.0 | 0.0052 |  |
| [CVE-2020-8649](https://patchblox.com/security/data/cve/CVE-2020-8649.md) | Routine | kernel-abi-whitelists: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 5.9 | 0.0049 |  |
| [CVE-2019-18809](https://patchblox.com/security/data/cve/CVE-2019-18809.md) | Routine | kernel-abi-whitelists: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 4.6 | 0.0049 |  |
| [CVE-2019-20054](https://patchblox.com/security/data/cve/CVE-2019-20054.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 5.5 | 0.0048 |  |
| [CVE-2019-19533](https://patchblox.com/security/data/cve/CVE-2019-19533.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 2.4 | 0.0046 |  |
| [CVE-2020-12655](https://patchblox.com/security/data/cve/CVE-2020-12655.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 5.5 | 0.0045 |  |
| [CVE-2019-19068](https://patchblox.com/security/data/cve/CVE-2019-19068.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 4.6 | 0.0045 |  |
| [CVE-2019-20812](https://patchblox.com/security/data/cve/CVE-2019-20812.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 4.4 | 0.0044 |  |
| [CVE-2019-19072](https://patchblox.com/security/data/cve/CVE-2019-19072.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 4.4 | 0.0042 |  |
| [CVE-2019-16231](https://patchblox.com/security/data/cve/CVE-2019-16231.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 4.1 | 0.0042 |  |
| [CVE-2020-8647](https://patchblox.com/security/data/cve/CVE-2020-8647.md) | Routine | kernel-zfcpdump-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 6.1 | 0.0041 |  |
| [CVE-2019-20636](https://patchblox.com/security/data/cve/CVE-2019-20636.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 6.7 | 0.0040 |  |
| [CVE-2019-19056](https://patchblox.com/security/data/cve/CVE-2019-19056.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 4.7 | 0.0039 |  |
| [CVE-2020-25641](https://patchblox.com/security/data/cve/CVE-2020-25641.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 5.5 | 0.0039 |  |
| [CVE-2020-12465](https://patchblox.com/security/data/cve/CVE-2020-12465.md) | Routine | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 6.7 | 0.0038 |  |
| [CVE-2019-16233](https://patchblox.com/security/data/cve/CVE-2019-16233.md) | Routine | kernel-core: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 4.1 | 0.0038 |  |
| [CVE-2020-10773](https://patchblox.com/security/data/cve/CVE-2020-10773.md) | Routine | kernel-tools: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 4.4 | 0.0037 |  |
| [CVE-2020-10751](https://patchblox.com/security/data/cve/CVE-2020-10751.md) | Routine | kernel-abi-whitelists: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 6.1 | 0.0035 |  |
| [CVE-2019-18808](https://patchblox.com/security/data/cve/CVE-2019-18808.md) | Routine | kernel-zfcpdump-modules: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 5.5 | 0.0033 |  |
| [CVE-2019-19537](https://patchblox.com/security/data/cve/CVE-2019-19537.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 4.2 | 0.0028 |  |
| [CVE-2020-10774](https://patchblox.com/security/data/cve/CVE-2020-10774.md) | Routine | kernel-abi-whitelists: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 5.5 | 0.0027 |  |
| [CVE-2019-9455](https://patchblox.com/security/data/cve/CVE-2019-9455.md) | Routine | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 2.3 | 0.0018 |  |
| [CVE-2020-0305](https://patchblox.com/security/data/cve/CVE-2020-0305.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: u... | 6.4 | 0.0017 |  |
| [CVE-2023-53585](https://patchblox.com/security/data/cve/CVE-2023-53585.md) | Routine | kernel-64kb: The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues  The following security issues wer... | 5.5 | 0.0016 |  |

---

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
