CVE-2020-14311
- State
- Published
- Severity
- 5.7 Medium
- Published
- Jul 31, 2020
- Updated
- Aug 4, 2024
- Reserved
- Jun 17, 2020
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.7 Medium | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H | redhat |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
grub2The Grub2 Project |
|
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14311
- USN-4432-1vendor-advisory
- openSUSE-SU-2020:1169vendor-advisory
- openSUSE-SU-2020:1168vendor-advisory
- GLSA-202104-05vendor-advisory
- [oss-security] 20210916 Containers-optimized OS (COS) membership in the linux-distros listmailing-list
- [oss-security] 20210917 Re: Containers-optimized OS (COS) membership in the linux-distros listmailing-list
- [oss-security] 20210920 Re: Containers-optimized OS (COS) membership in the linux-distros listmailing-list
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