CVE-2022-50020

MEDIUM EPSS 5.3%
Published Jun 18, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Jun 18, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
5.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-1284

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel* <4.9.326
linuxlinux_kernel*≥4.10  –  <4.14.291
linuxlinux_kernel*≥4.15  –  <4.19.256
linuxlinux_kernel*≥4.20  –  <5.4.211
linuxlinux_kernel*≥5.5  –  <5.10.138
linuxlinux_kernel*≥5.11  –  <5.15.63
linuxlinux_kernel*≥5.16  –  <5.19.4

References 6

  • git.kernel.org https://git.kernel.org/stable/c/0082e99a9074ff88eff729c70c93454c8588d8e1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/69cb8e9d8cd97cdf5e293b26d70a9dee3e35e6bd
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/72b850a2a996f72541172e7cf686d54a2b29bcd8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7bdfb01fc5f6b3696728aeb527c50386e0ee09a1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/80288883294c5b4ed18bae0d8bd9c4a12f297074
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a6805b3dcf5cd41f2ae3a03dca43411135b99849
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/0082e99a9074ff88eff729c70c93454c8588d8e1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/69cb8e9d8cd97cdf5e293b26d70a9dee3e35e6bd
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/72b850a2a996f72541172e7cf686d54a2b29bcd8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7bdfb01fc5f6b3696728aeb527c50386e0ee09a1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/80288883294c5b4ed18bae0d8bd9c4a12f297074
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a6805b3dcf5cd41f2ae3a03dca43411135b99849
    Patch