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    CVE-2021-35269

    NTFS-3G versions < 2021.8.22, when a specially crafted NTFS attribute from the MFT is setup in the function ntfs_attr_setup_flag, a heap buffer overflow can occur allowing for code execution and escalation of privileges.

    Published:Aug 30, 2021
    Last Modified:Jul 5, 2026
    EPS:Sep 7, 2021
    EPSS Score:0.00479
    CVSS Score:7.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Redhat
    Product
    Advanced Virtualization
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Tuxera
    Product
    Ntfs-3g

    Exploits

    No exploit reference

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    References

    http://www.openwall.com/lists/oss-security/2021/08/30/1
    https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html
    https://lists.fedoraproject.org/archives/list/[email protected]/message/766ISTT3KCARKFUIQT7N6WV6T63XOKG3/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/HSEKTKHO5HFZHWZNJNBJZA56472KRUZI/
    https://security.gentoo.org/glsa/202301-01
    https://www.debian.org/security/2021/dsa-4971
    http://www.openwall.com/lists/oss-security/2021/08/30/1
    https://lists.debian.org/debian-lts-announce/2021/11/msg00013.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/766ISTT3KCARKFUIQT7N6WV6T63XOKG3/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSEKTKHO5HFZHWZNJNBJZA56472KRUZI/
    https://security.gentoo.org/glsa/202301-01
    https://www.debian.org/security/2021/dsa-4971

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High