Packages
- edk2 - UEFI firmware for virtual machines
Details
Laszlo Ersek discovered that EDK II incorrectly handled recursion. A
remote attacker could possibly use this issue to cause EDK II to consume
resources, leading to a denial of service. (CVE-2021-28210)
Satoshi Tanda discovered that EDK II incorrectly handled decompressing
certain images. A remote attacker could use this issue to cause EDK II to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2021-28211)
Laszlo Ersek discovered that EDK II incorrectly handled recursion. A
remote attacker could possibly use this issue to cause EDK II to consume
resources, leading to a denial of service. (CVE-2021-28210)
Satoshi Tanda discovered that EDK II incorrectly handled decompressing
certain images. A remote attacker could use this issue to cause EDK II to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2021-28211)
Update instructions
After a standard system update you need to restart the virtual machines that use the affected firmware to make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 20.10 groovy | ovmf – 2020.05-5ubuntu0.2 | ||
| qemu-efi – 2020.05-5ubuntu0.2 | |||
| qemu-efi-aarch64 – 2020.05-5ubuntu0.2 | |||
| qemu-efi-arm – 2020.05-5ubuntu0.2 | |||
| 20.04 focal | ovmf – 0~20191122.bd85bf54-2ubuntu3.2 | ||
| qemu-efi – 0~20191122.bd85bf54-2ubuntu3.2 | |||
| qemu-efi-aarch64 – 0~20191122.bd85bf54-2ubuntu3.2 | |||
| qemu-efi-arm – 0~20191122.bd85bf54-2ubuntu3.2 | |||
Reduce your security exposure
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