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    CVE-2005-3783

    The ptrace functionality (ptrace.c) in Linux kernel 2.6 before 2.6.14.2, using CLONE_THREAD, does not use the thread group ID to check whether it is attaching to itself, which allows local users to cause a denial of service (crash).

    Published:Nov 23, 2005
    Last Modified:Apr 16, 2026
    EPS:Nov 23, 2005
    EPSS Score:0.00064
    CVSS Score:4.9

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    ftp://patches.sgi.com/support/free/security/advisories/20060402-01-U
    http://secunia.com/advisories/17761
    http://secunia.com/advisories/17787
    http://secunia.com/advisories/17917
    http://secunia.com/advisories/17918
    http://secunia.com/advisories/18203
    http://secunia.com/advisories/19369
    http://secunia.com/advisories/19374
    http://secunia.com/advisories/19607
    http://www.debian.org/security/2006/dsa-1017
    http://www.debian.org/security/2006/dsa-1018
    http://www.kernel.org/git/?p=linux/kernel/git/gregkh/linux-2.6.14.y.git%3Ba=blobdiff%3Bh=fcfc4568b45f3f190ba320b0d5853836921cb8bc%3Bhp=019e04ec065a55d8f28157d3a1f7ba06cafd347f%3Bhb=082d52c56f642d21b771a13221068d40915a1409%3Bf=kernel/ptrace.c
    http://www.kernel.org/git/?p=linux/kernel/git/gregkh/linux-2.6.14.y.git%3Ba=commit%3Bh=082d52c56f642d21b771a13221068d40915a1409
    http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.14.2
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:018
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:072
    http://www.securityfocus.com/advisories/9806
    http://www.securityfocus.com/archive/1/419522/100/0/threaded
    http://www.securityfocus.com/bid/15642
    https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=174075
    https://usn.ubuntu.com/231-1/
    ftp://patches.sgi.com/support/free/security/advisories/20060402-01-U
    http://secunia.com/advisories/17761
    http://secunia.com/advisories/17787
    http://secunia.com/advisories/17917
    http://secunia.com/advisories/17918
    http://secunia.com/advisories/18203
    http://secunia.com/advisories/19369
    http://secunia.com/advisories/19374
    http://secunia.com/advisories/19607
    http://www.debian.org/security/2006/dsa-1017
    http://www.debian.org/security/2006/dsa-1018
    http://www.kernel.org/git/?p=linux/kernel/git/gregkh/linux-2.6.14.y.git%3Ba=blobdiff%3Bh=fcfc4568b45f3f190ba320b0d5853836921cb8bc%3Bhp=019e04ec065a55d8f28157d3a1f7ba06cafd347f%3Bhb=082d52c56f642d21b771a13221068d40915a1409%3Bf=kernel/ptrace.c
    http://www.kernel.org/git/?p=linux/kernel/git/gregkh/linux-2.6.14.y.git%3Ba=commit%3Bh=082d52c56f642d21b771a13221068d40915a1409
    http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.14.2
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:018
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:072
    http://www.securityfocus.com/advisories/9806
    http://www.securityfocus.com/archive/1/419522/100/0/threaded
    http://www.securityfocus.com/bid/15642
    https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=174075
    https://usn.ubuntu.com/231-1/

    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