💣Exploit CVE-2024-53147 - Exfat Linux Out-of-Bounds Directory Entry Access Vulnerability

[Maksim]

CVE ID : CVE-2024-53147
Published : Dec. 24, 2024, 12:15 p.m. | 31 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: exfat: fix out-of-bounds access of directory entries In the case of the directory size is greater than or equal to the cluster size, if start_clu becomes an EOF cluster(an invalid cluster) due to file system corruption, then the directory entry where ei->hint_femp.eidx hint is outside the directory, resulting in an out-of-bounds access, which may cause further file system corruption. This commit adds a check for start_clu, if it is an invalid cluster, the file or directory will be treated as empty.
Severity: 0.0 | NA
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