vulnerability
Gentoo Linux: CVE-2020-14311: GRUB: Multiple vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:L/Au:N/C:N/I:P/A:P) | Jul 31, 2020 | May 3, 2021 | Aug 13, 2025 |
Severity
4
CVSS
(AV:L/AC:L/Au:N/C:N/I:P/A:P)
Published
Jul 31, 2020
Added
May 3, 2021
Modified
Aug 13, 2025
Description
There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow leading to a zero-sized memory allocation with subsequent heap-based buffer overflow.
Solution
gentoo-linux-upgrade-sys-devel-grub
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