Bug 2562739 (CVE-2026-99107) - CVE-2026-99107 kernel: ntfs: fix incorrect MFT record pointer passed to ntfs_attr_record_resize
Summary: CVE-2026-99107 kernel: ntfs: fix incorrect MFT record pointer passed to ntfs_...
Keywords:
Status: NEW
Alias: CVE-2026-99107
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: 2026-10-28 11:00 UTC by OSIDB Bzimport
Modified: 2026-10-28 14:57 UTC (History)
17 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-10-28 11:00:20 UTC
In the Linux kernel, the following vulnerability has been resolved:

ntfs: fix incorrect MFT record pointer passed to ntfs_attr_record_resize

ntfs_new_attr_flags() passes the wrong MFT record to ntfs_attr_record_resize().
When the attribute is in an extent record, ctx->mrec points to the extent
but the function receives the base record pointer m, causing incorrect
size calculations in memmove.

Fix by passing ctx->mrec (the actual MFT record containing the attribute)
instead of m (the base MFT record) to ntfs_attr_record_resize().


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