Security readout for executives and security teams
CVE-2021-35267 is a memory-safety flaw in NTFS-3G before 2021.8.22. A crafted or corrupted NTFS filesystem can trigger a stack buffer overflow during MFT/MFTMirror repair logic, with possible code execution or privilege escalation when NTFS-3G runs setuid-root. Exposure is most likely on systems with NTFS-3G below 2021.8.22, especially hosts that mount NTFS removable media, disk images, or untrusted storage. Debian, Fedora, and Gentoo advisories indicate distribution packages were affected and updated. Prioritize patching where NTFS media is routinely handled, such as workstations, forensic systems, kiosks, and file-processing environments. This is not documented as exploited in the supplied sources, but root escalation potential makes stale packages unacceptable. Mitigation focus: Upgrade NTFS-3G to version 2021.8.22 or a vendor-patched package.; Apply relevant Debian, Fedora, Gentoo, or other distribution security updates.; Avoid mounting untrusted NTFS media or disk images on vulnerable systems..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Execution behavior lookup
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Open ATT&CK lookupCVE-2021-35267 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jpCVE reference, mitre
- DSA-4971CVE reference, mitre · vendor-advisory
- FEDORA-2021-e7c8ba6301CVE reference, mitre · vendor-advisory
- FEDORA-2021-5b1dac797bCVE reference, mitre · vendor-advisory
- [debian-lts-announce] 20211116 [SECURITY] [DLA 2819-1] ntfs-3g security updateCVE reference, mitre · mailing-list
- GLSA-202301-01CVE reference, mitre · vendor-advisory
- FEDORA-2021-e7c8ba6301CVE reference, CVE · vendor-advisory, x_transferred
- FEDORA-2021-5b1dac797bCVE reference, CVE · vendor-advisory, x_transferred
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.