CVE-2022-50020

MediumCVSS 5.5/10Last modified Nov 5, 2026

Description

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-1284

Affected software

VendorProductVersions
LinuxLinux>= d77147ff443b255d82c907a632c825b2cc610b10, < 7bdfb01fc5f6b3696728aeb527c50386e0ee09a1; >= d77147ff443b255d82c907a632c825b2cc610b10, < a6805b3dcf5cd41f2ae3a03dca43411135b99849; >= d77147ff443b255d82c907a632c825b2cc610b10, < 80288883294c5b4ed18bae0d8bd9c4a12f297074; >= d77147ff443b255d82c907a632c825b2cc610b10, < 72b850a2a996f72541172e7cf686d54a2b29bcd8; >= d77147ff443b255d82c907a632c825b2cc610b10, < 0082e99a9074ff88eff729c70c93454c8588d8e1; >= d77147ff443b255d82c907a632c825b2cc610b10, < 69cb8e9d8cd97cdf5e293b26d70a9dee3e35e6bd
LinuxLinux4.15

References

Timeline

Published
Jun 18, 2025
Last modified
Nov 5, 2026
NVD status
Modified

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CVE-2022-50020: Medium severity, CVSS 5.5 | Vulnix