CVE-2025-71311
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().
Does this matter?
Lower severity and a low EPSS score (0.32%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.32% probability · 25th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-908
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/41d79f8e2a36622d148719bf7c18b46ac1264284Patch
- https://git.kernel.org/stable/c/5a30cc03bde169ad558695b26da6ea7e55f6194aPatch
- https://git.kernel.org/stable/c/dd6c81527d097b3b0bf5a15c2fdc9657d045144cPatch
- https://git.kernel.org/stable/c/f223ebffa185cc8da934333c5a31ff2d4f992dc9Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.