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    CVE-2012-3375

    The epoll_ctl system call in fs/eventpoll.c in the Linux kernel before 3.2.24 does not properly handle ELOOP errors in EPOLL_CTL_ADD operations, which allows local users to cause a denial of service (file-descriptor consumption and system crash) via a crafted application that attempts to create a circular epoll dependency. NOTE: this vulnerability exists because of an incorrect fix for CVE-2011-1083.

    Published:Mar 27, 2012
    Last Modified:Apr 11, 2025
    EPS:Oct 3, 2012
    EPSS Score:0.00101
    CVSS Score:4.9

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Mrg

    Exploits

    https://github.com/torvalds/linux/commit/13d518074a952d33d47c428419693f63389547e9https://github.com/torvalds/linux/commit/13d518074a952d33d47c428419693f63389547e9https://www.exploit-db.com/exploits/19605

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=13d518074a952d33d47c428419693f63389547e9
    http://secunia.com/advisories/51164
    http://ubuntu.com/usn/usn-1529-1
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.24
    http://www.openwall.com/lists/oss-security/2012/07/04/2
    http://www.securitytracker.com/id?1027237
    https://bugzilla.redhat.com/show_bug.cgi?id=837502
    https://downloads.avaya.com/css/P8/documents/100165733
    https://github.com/torvalds/linux/commit/13d518074a952d33d47c428419693f63389547e9
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=13d518074a952d33d47c428419693f63389547e9
    http://secunia.com/advisories/51164
    http://ubuntu.com/usn/usn-1529-1
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.24
    http://www.openwall.com/lists/oss-security/2012/07/04/2
    http://www.securitytracker.com/id?1027237
    https://bugzilla.redhat.com/show_bug.cgi?id=837502
    https://downloads.avaya.com/css/P8/documents/100165733
    https://github.com/torvalds/linux/commit/13d518074a952d33d47c428419693f63389547e9

    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