Bug 2373501 (CVE-2022-50056) - CVE-2022-50056 kernel: fs/ntfs3: Fix missing i_op in ntfs_read_mft
Summary: CVE-2022-50056 kernel: fs/ntfs3: Fix missing i_op in ntfs_read_mft
Keywords:
Status: NEW
Alias: CVE-2022-50056
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-06-18 12:05 UTC by OSIDB Bzimport
Modified: 2025-06-19 21:43 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2025-06-18 12:05:47 UTC 
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.
Comment 1 Avinash Hanwate 2025-06-19 21:35:46 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025061848-CVE-2022-50056-dfbb@gregkh/T
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