vulnerability
Ubuntu: USN-4992-1 (CVE-2021-20225): GRUB 2 vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Mar 2, 2021 | Jun 18, 2021 | Mar 22, 2023 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Mar 2, 2021
Added
Jun 18, 2021
Modified
Mar 22, 2023
Description
A flaw was found in grub2 in versions prior to 2.06. The option parser allows an attacker to write past the end of a heap-allocated buffer by calling certain commands with a large number of specific short forms of options. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Solution(s)
ubuntu-upgrade-grub-efi-amd64-binubuntu-upgrade-grub-efi-amd64-signedubuntu-upgrade-grub-efi-arm64-binubuntu-upgrade-grub-efi-arm64-signed
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