CVE-2022-50205

What it is

In the Linux kernel, the following vulnerability has been resolved: ext2: Add more validity checks for inode counts Add checks verifying number of inodes stored in the superblock matches the number computed from number of inodes per group. Also verify we have at least one block worth of inodes per group. This prevents crashes on corrupted filesystems.

At a glance

Exploitability

Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.

Exploit odds

0.3% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2025-06-18 11:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 05:22 UTC Last updatedMost recent change to the record

Details

Published

2025-06-18 11:15 UTC

Last modified

2026-06-17 05:22 UTC

Exploit probability

0.3% · EPSS, next 30 days

Record status

Analyzed

Affected

• Linux Kernel < 4.14.291
• Linux Kernel < 4.19.256
• Linux Kernel < 5.4.211
• Linux Kernel < 5.10.137
• Linux Kernel < 5.15.61
• Linux Kernel < 5.18.18
• Linux Kernel < 5.19.2

Attack profile CVSS 3.1 · 5.5

Attack vector

Local

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High