CVE-2025-71311

High

Description

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Initialize new folios before use KMSAN reports an uninitialized value in longest_match_std(), invoked from ntfs_compress_write(). When new folios are allocated without being marked uptodate and ni_read_frame() is skipped because the caller expects the frame to be completely overwritten, some reserved folios may remain only partially filled, leaving the rest memory uninitialized.

SeverityHigh
CVSS8.2
Exploit probability—
ProductLinux Kernel
PublishedMay 27, 2026
First seenMay 27, 2026

How to fix

Update
  • linux linux_kernel6.12.75, 6.18.14, 6.19.4 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel6.11 ≤ v < 6.12.75, 6.13 ≤ v < 6.18.14, 6.19 ≤ v < 6.19.46.12.75, 6.18.14, 6.19.4

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