CVE-2022-50020 — ext4: avoid resizing to a partial cluster size
In the Linux kernel, the following vulnerability has been resolved: ext4: avoid resizing to a partial cluster size This patch avoids an attempt to resize the filesystem to an …
Published: 2025-06-18 · CVSS: Unscored
In the Linux kernel, the following vulnerability has been resolved: ext4: avoid resizing to a partial cluster size This patch avoids an attempt to resize the filesystem to an unaligned cluster boundary. An online resize to a size that is not integral to cluster size results in the last iteration attempting to grow the fs by a negative amount, which trips a BUG_ON and leaves the fs with a corrupted in-memory superblock.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7