CVE-2026-74570: ntfs: harden runlist realloc size calculations
Published Aug 15, 2026
·Updated
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 ntfsrlrealloc() and ntfsrlreallocnofail().
Affected Software
1 affected component
Linux Linux kernel
Event History
Aug 15, 2026
CVE Published
via MITRE·12:28 PM
Data Sourced
via MITRE·12:28 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2026-74570?
CVE-2026-74570 has a risk score of 34, indicating a moderate level of severity.
2
What systems are affected by CVE-2026-74570?
CVE-2026-74570 affects the Linux kernel, specifically related to NTFS file system handling.
3
How do I fix CVE-2026-74570?
To fix CVE-2026-74570, ensure that you update to the latest version of the Linux kernel that includes the patch.
4
What is the impact of CVE-2026-74570?
CVE-2026-74570 could potentially allow for memory corruption due to improper size calculations.
5
When was CVE-2026-74570 published?
CVE-2026-74570 was published on August 15, 2026.