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    CVE-2012-6657

    The sock_setsockopt function in net/core/sock.c in the Linux kernel before 3.5.7 does not ensure that a keepalive action is associated with a stream socket, which allows local users to cause a denial of service (system crash) by leveraging the ability to create a raw socket.

    Published:Sep 24, 2012
    Last Modified:Apr 12, 2025
    EPS:Sep 28, 2014
    EPSS Score:0.00122
    CVSS Score:4.9

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Novell
    Product
    Suse Linux Enterprise Server
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://github.com/torvalds/linux/commit/3e10986d1d698140747fcfc2761ec9cb64c1d582https://github.com/torvalds/linux/commit/3e10986d1d698140747fcfc2761ec9cb64c1d582

    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=3e10986d1d698140747fcfc2761ec9cb64c1d582
    http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
    http://marc.info/?l=bugtraq&m=142722450701342&w=2
    http://marc.info/?l=bugtraq&m=142722544401658&w=2
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7
    http://www.openwall.com/lists/oss-security/2014/09/15/8
    https://bugzilla.redhat.com/show_bug.cgi?id=1141742
    https://github.com/torvalds/linux/commit/3e10986d1d698140747fcfc2761ec9cb64c1d582
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3e10986d1d698140747fcfc2761ec9cb64c1d582
    http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
    http://marc.info/?l=bugtraq&m=142722450701342&w=2
    http://marc.info/?l=bugtraq&m=142722544401658&w=2
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7
    http://www.openwall.com/lists/oss-security/2014/09/15/8
    https://bugzilla.redhat.com/show_bug.cgi?id=1141742
    https://github.com/torvalds/linux/commit/3e10986d1d698140747fcfc2761ec9cb64c1d582

    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