Bug 2517095 (CVE-2026-74570) - CVE-2026-74570 kernel: ntfs: harden runlist realloc size calculations
Summary: CVE-2026-74570 kernel: ntfs: harden runlist realloc size calculations
Keywords:
Status: NEW
Alias: CVE-2026-74570
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: 2026-08-15 12:50 UTC by OSIDB Bzimport
Modified: 2026-08-17 13:09 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description OSIDB Bzimport 2026-08-15 12:50:05 UTC
In the Linux kernel, the following vulnerability has been resolved:

ntfs: harden runlist realloc size calculations

Add a shared helper to safely convert runlist element counts to byte sizes
using overflow checks, and use it in both ntfs_rl_realloc() and
ntfs_rl_realloc_nofail().


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