What’s Vulnerable › Vulnerabilities

CVE-2022-50056: fs/ntfs3: Fix missing i_op in ntfs_read_mft

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-06-18 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix missing i_op in ntfs_read_mft There is null pointer dereference because i_op == NULL. The bug happens because we don't initialize i_op for records in $Extend.

Affected products

• Linux kernel: from 5.15 before 5.15.63; from 5.16 before 5.19.4; 6.0-rc1 — fixed in 5.15.63, 5.19.4

How to fix

Upgrade to a fixed version: Linux kernel 5.15.63, 5.19.4. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/37a530bfe56ca9a0d3129598803f2794c7428aae
• https://git.kernel.org/stable/c/8089a1bc27b41e6800590a92d17c119e9aa8ff53
• https://git.kernel.org/stable/c/c293e8abc09e6e1faa50d967bd8862b1cbd575e5

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