CVE-2025-71289: fs/ntfs3: handle attr_set_size() errors when truncating files

highCVSS 7.1CVE-2025-71289

CSIRTS triage

product: Linux Kernel (fs/ntfs3)Memory corruption

What: NTFS3 file system driver does not properly handle errors from attr_set_size() when truncating files.
Who is affected: Systems using the NTFS3 file system driver in Linux that truncate files on untrusted NTFS volumes.
Urgency: High urgency; CVSS 7.1 indicates elevated risk of data corruption or system instability from unhandled errors.
Action: Update the Linux kernel with proper error handling for attr_set_size() in the NTFS3 driver.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch Linux Kernel (fs/ntfs3)

Get an email when a new Linux Kernel (fs/ntfs3) advisory drops — max one per day, one-click unsubscribe.

Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 7.1
Published: 2026-08-06
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-71289

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2025-712890.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2025-71289	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

medium[UPDATE] [medium] Linux Kernel: Multiple Vulnerabilitiescert-bund
unknownDebian Linux Kernel Multiple Vulnerabilitieshkcert
unknownMultiple vulnerabilities in the Debian Linux kernel (June 26, 2026)cert-fr-avis
unknownDSA-6355-1 linux - security updatedebian

Recent advisories for fs/ntfs3

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

highCVE-2026-72478: In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: add bounds check…nvd · 2026-08-15
criticalCVE-2026-72477: In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: call _ntfs_bad_i…nvd · 2026-08-15
highCVE-2026-72471: In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: prevent potentia…nvd · 2026-08-15
highCVE-2026-72470: In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: resize log->one_…nvd · 2026-08-15
highCVE-2026-72197: In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: bound DeleteInde…nvd · 2026-08-15
highCVE-2026-72196: In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: bound copy_lcns …nvd · 2026-08-15