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.
History

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: redhat

Published: 2020-07-31T20:56:30

Updated: 2021-09-21T11:06:35

Reserved: 2020-06-17T00:00:00


Link: CVE-2020-14311

JSON object: View

cve-icon NVD Information

Status : Modified

Published: 2020-07-31T22:15:11.597

Modified: 2023-11-07T03:17:08.243


Link: CVE-2020-14311

JSON object: View

cve-icon Redhat Information

No data.