# RHSA-2021:0696: Security update for 18 packages

RHSA-2021:0696, released March 2, 2021, fixes 7 CVEs across 18 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2021-0696
- Platform: Linux
- Released: Mar 2, 2021
- Priority: High (Closes CVE-2020-14372, high severity)
- CVEs: 7, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2021:0696

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [grub2-common](https://patchblox.com/security/data/product/linux/grub2-common.md) | RHEL 8 | 1:2.02-90.el8_3.1 |
| [grub2-efi-aa64](https://patchblox.com/security/data/product/linux/grub2-efi-aa64.md) | RHEL 8 | 1:2.02-90.el8_3.1 |
| [grub2-efi-aa64-cdboot](https://patchblox.com/security/data/product/linux/grub2-efi-aa64-cdboot.md) | RHEL 8 | 1:2.02-90.el8_3.1 |
| [grub2-efi-aa64-modules](https://patchblox.com/security/data/product/linux/grub2-efi-aa64-modules.md) | RHEL 8 | 1:2.02-90.el8_3.1 |
| [grub2-efi-ia32](https://patchblox.com/security/data/product/linux/grub2-efi-ia32.md) | RHEL 8 | 1:2.02-90.el8_3.1 |
| [grub2-efi-ia32-cdboot](https://patchblox.com/security/data/product/linux/grub2-efi-ia32-cdboot.md) | RHEL 8 | 1:2.02-90.el8_3.1 |
| [grub2-efi-ia32-modules](https://patchblox.com/security/data/product/linux/grub2-efi-ia32-modules.md) | RHEL 8 | 1:2.02-90.el8_3.1 |
| [grub2-efi-x64](https://patchblox.com/security/data/product/linux/grub2-efi-x64.md) | RHEL 8 | 1:2.02-90.el8_3.1 |
| [grub2-efi-x64-cdboot](https://patchblox.com/security/data/product/linux/grub2-efi-x64-cdboot.md) | RHEL 8 | 1:2.02-90.el8_3.1 |
| [grub2-efi-x64-modules](https://patchblox.com/security/data/product/linux/grub2-efi-x64-modules.md) | RHEL 8 | 1:2.02-90.el8_3.1 |
| [grub2-pc](https://patchblox.com/security/data/product/linux/grub2-pc.md) | RHEL 8 | 1:2.02-90.el8_3.1 |
| [grub2-pc-modules](https://patchblox.com/security/data/product/linux/grub2-pc-modules.md) | RHEL 8 | 1:2.02-90.el8_3.1 |
| [grub2-ppc64le](https://patchblox.com/security/data/product/linux/grub2-ppc64le.md) | RHEL 8 | 1:2.02-90.el8_3.1 |
| [grub2-ppc64le-modules](https://patchblox.com/security/data/product/linux/grub2-ppc64le-modules.md) | RHEL 8 | 1:2.02-90.el8_3.1 |
| [grub2-tools](https://patchblox.com/security/data/product/linux/grub2-tools.md) | RHEL 8 | 1:2.02-90.el8_3.1 |
| [grub2-tools-efi](https://patchblox.com/security/data/product/linux/grub2-tools-efi.md) | RHEL 8 | 1:2.02-90.el8_3.1 |
| [grub2-tools-extra](https://patchblox.com/security/data/product/linux/grub2-tools-extra.md) | RHEL 8 | 1:2.02-90.el8_3.1 |
| [grub2-tools-minimal](https://patchblox.com/security/data/product/linux/grub2-tools-minimal.md) | RHEL 8 | 1:2.02-90.el8_3.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-14372](https://patchblox.com/security/data/cve/CVE-2020-14372.md) | High | grub2-common: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable... | 7.5 | 0.0174 |  |
| [CVE-2020-25632](https://patchblox.com/security/data/cve/CVE-2020-25632.md) | High | grub2-common: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable... | 8.2 | 0.0115 |  |
| [CVE-2021-20225](https://patchblox.com/security/data/cve/CVE-2021-20225.md) | High | grub2-common: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable... | 7.5 | 0.0101 |  |
| [CVE-2020-25647](https://patchblox.com/security/data/cve/CVE-2020-25647.md) | High | grub2-common: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable... | 7.6 | 0.0079 |  |
| [CVE-2021-20233](https://patchblox.com/security/data/cve/CVE-2021-20233.md) | High | grub2-efi-aa64: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable... | 8.2 | 0.0061 |  |
| [CVE-2020-27749](https://patchblox.com/security/data/cve/CVE-2020-27749.md) | High | grub2-common: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable... | 7.5 | 0.0057 |  |
| [CVE-2020-27779](https://patchblox.com/security/data/cve/CVE-2020-27779.md) | High | grub2-common: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable... | 7.5 | 0.0039 |  |

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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