What is CVE-2022-50020?

CVE-2022-50020 is a medium-severity vulnerability in Linux, classified under Improper Validation of Specified Quantity in Input. CVSS score: 5.5/10. Published 2025-06-18.

How severe is CVE-2022-50020?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2022-50020

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.

EPSS: 0.002 (5.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions d77147ff443b255d82c907a632c825b2cc610b10, 4.15, 0
Linux Linux_kernel

Weakness classification (CWE)

CWE-1284 — Improper Validation of Specified Quantity in Input

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2022-50020?: CVE-2022-50020 is a medium-severity vulnerability in Linux, classified under Improper Validation of Specified Quantity in Input. CVSS score: 5.5/10. Published 2025-06-18.
How severe is CVE-2022-50020?: Medium severity. CVSS v3 base score is 5.5 out of 10.