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    CVE-2017-9461

    smbd in Samba before 4.4.10 and 4.5.x before 4.5.6 has a denial of service vulnerability (fd_open_atomic infinite loop with high CPU usage and memory consumption) due to wrongly handling dangling symlinks.

    Published:Feb 16, 2017
    Last Modified:Apr 20, 2025
    EPS:Jun 6, 2017
    EPSS Score:0.04032
    CVSS Score:6.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Desktop
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Server Aus
    Vendor
    Redhat
    Product
    Enterprise Linux Server Eus
    Vendor
    Redhat
    Product
    Enterprise Linux Server Tus
    Vendor
    Redhat
    Product
    Enterprise Linux Workstation
    Vendor
    Redhat
    Product
    Storage
    Vendor
    Samba
    Product
    Samba

    Exploits

    https://bugs.debian.org/864291https://bugzilla.samba.org/show_bug.cgi?id=12572https://bugs.debian.org/864291https://bugzilla.samba.org/show_bug.cgi?id=12572

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://www.securityfocus.com/bid/99455
    https://access.redhat.com/errata/RHSA-2017:1950
    https://access.redhat.com/errata/RHSA-2017:2338
    https://access.redhat.com/errata/RHSA-2017:2778
    https://bugs.debian.org/864291
    https://bugzilla.samba.org/show_bug.cgi?id=12572
    https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=10c3e3923022485c720f322ca4f0aca5d7501310
    https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html
    http://www.securityfocus.com/bid/99455
    https://access.redhat.com/errata/RHSA-2017:1950
    https://access.redhat.com/errata/RHSA-2017:2338
    https://access.redhat.com/errata/RHSA-2017:2778
    https://bugs.debian.org/864291
    https://bugzilla.samba.org/show_bug.cgi?id=12572
    https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=10c3e3923022485c720f322ca4f0aca5d7501310
    https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html

    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