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CVE-2022-50056

fs/ntfs3: Fix missing i_op in ntfs_read_mft

MEDIUM
5.5
CVSS Score
Published: June 18, 2025 at 11:02 AM UTC
Updated: June 17, 2026 at 05:22 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
5.15 ≤ v < 5.15.635.15 ≤ v < 5.19.45.15 ≤ v < 6.05.16 ≤ v < 5.19.45.156.0 rc182cae269cfa953032fbb8980a7d554d60fb00b17
Vendor states this is fixed in 37a530bfe56ca9a0d3129598803f2794c7428aae (fixed)
Vendor states this is fixed in 8089a1bc27b41e6800590a92d17c119e9aa8ff53 (fixed)
Vendor states this is fixed in c293e8abc09e6e1faa50d967bd8862b1cbd575e5 (fixed)
Vendor states this is fixed in 5.15 (unaffected)
Vendor states this is fixed in 5.15.63 (unaffected)
Vendor states this is fixed in 5.19.4 (unaffected)
Vendor states this is fixed in 6.0 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/37a530bfe56ca9a0d3129598803f2794c7428aae
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/8089a1bc27b41e6800590a92d17c119e9aa8ff53
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c293e8abc09e6e1faa50d967bd8862b1cbd575e5

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

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