# CVE-2021-28211: edk2-aarch64: EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines

CVE-2021-28211 is fixed in 6 products on 1 platform, first by ovmf 0~20191122.bd85bf54-2ubuntu3.2, released March 15, 2021. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-28211
- Priority: Routine
- CVSS: 6.7 (Moderate)
- EPSS: 0.0039
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 15, 2021

## Description

EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM.   Security Fix(es):  * edk2: possible heap corruption with LzmaUefiDecompressGetInfo (CVE-2021-28211)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | edk2-aarch64 RHEL 8 | 0:20200602gitca407c7246bf-4.el8_4.1 | [RHSA-2021:2591](https://patchblox.com/security/data/fix/linux/rhsa-2021-2591.md) | Jun 29, 2021 |
| Linux | edk2-aarch64 ol 8 | 0:20200602gitca407c7246bf-4.el8_4.1 | [ELSA-2021-2591](https://patchblox.com/security/data/fix/linux/elsa-2021-2591.md) | Jun 30, 2021 |
| Linux | edk2-ovmf RHEL 8 | 0:20200602gitca407c7246bf-4.el8_4.1 | [RHSA-2021:2591](https://patchblox.com/security/data/fix/linux/rhsa-2021-2591.md) | Jun 29, 2021 |
| Linux | edk2-ovmf ol 8 | 0:20200602gitca407c7246bf-4.el8_4.1 | [ELSA-2021-2591](https://patchblox.com/security/data/fix/linux/elsa-2021-2591.md) | Jun 30, 2021 |
| Linux | ovmf Ubuntu 18.04.6 LTS (bionic) | 0~20180205.c0d9813c-2ubuntu0.3+esm2 | [ovmf 0~20180205.c0d9813c-2ubuntu0.3+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ovmf-0-20180205.c0d9813c-2ubuntu0.3-esm2.md) | Mar 3, 2022 |
| Linux | ovmf Ubuntu 20.04 LTS (focal) | 0~20191122.bd85bf54-2ubuntu3.2 | [ovmf 0~20191122.bd85bf54-2ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ovmf-0-20191122.bd85bf54-2ubuntu3.2.md) | Mar 15, 2021 |
| Linux | qemu-efi Ubuntu 18.04.6 LTS (bionic) | 0~20180205.c0d9813c-2ubuntu0.3+esm2 | [qemu-efi 0~20180205.c0d9813c-2ubuntu0.3+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-qemu-efi-0-20180205.c0d9813c-2ubuntu0.3-esm2.md) | Mar 3, 2022 |
| Linux | qemu-efi Ubuntu 20.04 LTS (focal) | 0~20191122.bd85bf54-2ubuntu3.2 | [qemu-efi 0~20191122.bd85bf54-2ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-qemu-efi-0-20191122.bd85bf54-2ubuntu3.2.md) | Mar 15, 2021 |
| Linux | qemu-efi-aarch64 Ubuntu 18.04.6 LTS (bionic) | 0~20180205.c0d9813c-2ubuntu0.3+esm2 | [qemu-efi-aarch64 0~20180205.c0d9813c-2ubuntu0.3+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-qemu-efi-aarch64-0-20180205.c0d9813c-2ubuntu0.3-esm2.md) | Mar 3, 2022 |
| Linux | qemu-efi-aarch64 Ubuntu 20.04 LTS (focal) | 0~20191122.bd85bf54-2ubuntu3.2 | [qemu-efi-aarch64 0~20191122.bd85bf54-2ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-qemu-efi-aarch64-0-20191122.bd85bf54-2ubuntu3.2.md) | Mar 15, 2021 |
| Linux | qemu-efi-arm Ubuntu 18.04.6 LTS (bionic) | 0~20180205.c0d9813c-2ubuntu0.3+esm2 | [qemu-efi-arm 0~20180205.c0d9813c-2ubuntu0.3+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-qemu-efi-arm-0-20180205.c0d9813c-2ubuntu0.3-esm2.md) | Mar 3, 2022 |
| Linux | qemu-efi-arm Ubuntu 20.04 LTS (focal) | 0~20191122.bd85bf54-2ubuntu3.2 | [qemu-efi-arm 0~20191122.bd85bf54-2ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-qemu-efi-arm-0-20191122.bd85bf54-2ubuntu3.2.md) | Mar 15, 2021 |

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