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    CVE-2005-3806

    The IPv6 flow label handling code (ip6_flowlabel.c) in Linux kernels 2.4 up to 2.4.32 and 2.6 before 2.6.14 modifies the wrong variable in certain circumstances, which allows local users to corrupt kernel memory or cause a denial of service (crash) by triggering a free of non-allocated memory.

    Published:Oct 25, 2005
    Last Modified:Apr 16, 2026
    EPS:Nov 25, 2005
    EPSS Score:0.00142
    CVSS Score:6.6

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    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

    http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=blobdiff%3Bh=bbbe80cdaf72a75a463aff9551e60b31e2f69061%3Bhp=f841bde30c18493a94fd5d522b84724a8eb82a4a%3Bhb=4ea6a8046bb49d43c950898f0cb4e1994ef6c89d%3Bf=net/ipv6/ip6_flowlabel.c
    http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4ea6a8046bb49d43c950898f0cb4e1994ef6c89d
    http://secunia.com/advisories/17917
    http://secunia.com/advisories/17918
    http://secunia.com/advisories/18203
    http://secunia.com/advisories/18510
    http://secunia.com/advisories/18562
    http://secunia.com/advisories/18684
    http://secunia.com/advisories/18977
    http://secunia.com/advisories/19369
    http://secunia.com/advisories/19374
    http://www.debian.org/security/2006/dsa-1017
    http://www.debian.org/security/2006/dsa-1018
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:018
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:072
    http://www.redhat.com/support/errata/RHSA-2006-0101.html
    http://www.redhat.com/support/errata/RHSA-2006-0140.html
    http://www.redhat.com/support/errata/RHSA-2006-0190.html
    http://www.redhat.com/support/errata/RHSA-2006-0191.html
    http://www.securityfocus.com/advisories/9806
    http://www.securityfocus.com/archive/1/419522/100/0/threaded
    http://www.securityfocus.com/archive/1/427981/100/0/threaded
    http://www.securityfocus.com/archive/1/428028/100/0/threaded
    http://www.securityfocus.com/archive/1/428058/100/0/threaded
    http://www.securityfocus.com/bid/15729
    http://wwwnew.mandriva.com/security/advisories?name=MDKSA-2006:044
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9903
    https://usn.ubuntu.com/231-1/
    http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=blobdiff%3Bh=bbbe80cdaf72a75a463aff9551e60b31e2f69061%3Bhp=f841bde30c18493a94fd5d522b84724a8eb82a4a%3Bhb=4ea6a8046bb49d43c950898f0cb4e1994ef6c89d%3Bf=net/ipv6/ip6_flowlabel.c
    http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4ea6a8046bb49d43c950898f0cb4e1994ef6c89d
    http://secunia.com/advisories/17917
    http://secunia.com/advisories/17918
    http://secunia.com/advisories/18203
    http://secunia.com/advisories/18510
    http://secunia.com/advisories/18562
    http://secunia.com/advisories/18684
    http://secunia.com/advisories/18977
    http://secunia.com/advisories/19369
    http://secunia.com/advisories/19374
    http://www.debian.org/security/2006/dsa-1017
    http://www.debian.org/security/2006/dsa-1018
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:018
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:072
    http://www.redhat.com/support/errata/RHSA-2006-0101.html
    http://www.redhat.com/support/errata/RHSA-2006-0140.html
    http://www.redhat.com/support/errata/RHSA-2006-0190.html
    http://www.redhat.com/support/errata/RHSA-2006-0191.html
    http://www.securityfocus.com/advisories/9806
    http://www.securityfocus.com/archive/1/419522/100/0/threaded
    http://www.securityfocus.com/archive/1/427981/100/0/threaded
    http://www.securityfocus.com/archive/1/428028/100/0/threaded
    http://www.securityfocus.com/archive/1/428058/100/0/threaded
    http://www.securityfocus.com/bid/15729
    http://wwwnew.mandriva.com/security/advisories?name=MDKSA-2006:044
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9903
    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