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    CVE-2017-10661

    Race condition in fs/timerfd.c in the Linux kernel before 4.10.15 allows local users to gain privileges or cause a denial of service (list corruption or use-after-free) via simultaneous file-descriptor operations that leverage improper might_cancel queueing.

    Published:Feb 10, 2017
    Last Modified:Apr 20, 2025
    EPS:Aug 19, 2017
    EPSS Score:0.30004
    CVSS Score:7

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Aus
    Vendor
    Redhat
    Product
    Enterprise Linux Server Eus
    Vendor
    Redhat
    Product
    Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions
    Vendor
    Redhat
    Product
    Enterprise Mrg
    Vendor
    Redhat
    Product
    Rhel Aus
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Extras Rt
    Vendor
    Redhat
    Product
    Rhel Tus

    Exploits

    https://www.exploit-db.com/exploits/43345https://github.com/GeneBlue/CVE-2017-10661_POC

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    References

    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1e38da300e1e395a15048b0af1e5305bd91402f6
    http://www.debian.org/security/2017/dsa-3981
    http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.15
    http://www.securityfocus.com/bid/100215
    https://access.redhat.com/errata/RHSA-2018:3083
    https://access.redhat.com/errata/RHSA-2018:3096
    https://access.redhat.com/errata/RHSA-2019:4057
    https://access.redhat.com/errata/RHSA-2019:4058
    https://access.redhat.com/errata/RHSA-2020:0036
    https://bugzilla.redhat.com/show_bug.cgi?id=1481136
    https://github.com/torvalds/linux/commit/1e38da300e1e395a15048b0af1e5305bd91402f6
    https://source.android.com/security/bulletin/2017-08-01
    https://www.exploit-db.com/exploits/43345/
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1e38da300e1e395a15048b0af1e5305bd91402f6
    http://www.debian.org/security/2017/dsa-3981
    http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.15
    http://www.securityfocus.com/bid/100215
    https://access.redhat.com/errata/RHSA-2018:3083
    https://access.redhat.com/errata/RHSA-2018:3096
    https://access.redhat.com/errata/RHSA-2019:4057
    https://access.redhat.com/errata/RHSA-2019:4058
    https://access.redhat.com/errata/RHSA-2020:0036
    https://bugzilla.redhat.com/show_bug.cgi?id=1481136
    https://github.com/torvalds/linux/commit/1e38da300e1e395a15048b0af1e5305bd91402f6
    https://source.android.com/security/bulletin/2017-08-01
    https://www.exploit-db.com/exploits/43345/

    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