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    CVE-2016-9755

    The netfilter subsystem in the Linux kernel before 4.9 mishandles IPv6 reassembly, which allows local users to cause a denial of service (integer overflow, out-of-bounds write, and GPF) or possibly have unspecified other impact via a crafted application that makes socket, connect, and writev system calls, related to net/ipv6/netfilter/nf_conntrack_reasm.c and net/ipv6/netfilter/nf_defrag_ipv6_hooks.c.

    Published:Nov 26, 2016
    Last Modified:Apr 12, 2025
    EPS:Dec 28, 2016
    EPSS Score:0.00051
    CVSS Score:7.8

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b57da0630c9fd36ed7a20fc0f98dc82cc0777fa
    http://www.openwall.com/lists/oss-security/2016/12/01/10
    http://www.securityfocus.com/bid/94626
    https://bugzilla.redhat.com/show_bug.cgi?id=1400904
    https://github.com/torvalds/linux/commit/9b57da0630c9fd36ed7a20fc0f98dc82cc0777fa
    https://groups.google.com/forum/#%21topic/syzkaller/GFbGpX7nTEo
    https://www.spinics.net/lists/netdev/msg407525.html
    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b57da0630c9fd36ed7a20fc0f98dc82cc0777fa
    http://www.openwall.com/lists/oss-security/2016/12/01/10
    http://www.securityfocus.com/bid/94626
    https://bugzilla.redhat.com/show_bug.cgi?id=1400904
    https://github.com/torvalds/linux/commit/9b57da0630c9fd36ed7a20fc0f98dc82cc0777fa
    https://groups.google.com/forum/#%21topic/syzkaller/GFbGpX7nTEo
    https://www.spinics.net/lists/netdev/msg407525.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